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electronicaly marjorly malfuntcioning prelude... please help!!

 
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Old 01-09-2011, 05:47 PM
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electronicaly marjorly malfuntcioning prelude... please help!!

hello everyone!

so I'm pretty much a newbie when it comes to cars and stuff. but one thing i know for sure, i love preludes!

however, mine is such a nightmare that sometimes that it has me going insane, frustrated, and puzzled.

i do have some motor problems like there is rattling noise whenever i take it to 2k rpm and it goes away after 3k rpm and it does that no matter what gear I'm in.

-also, i have a leakage of gas somewhere, i just can see where is leaking, but i know it is because i find myself filling her up every 3rd day when before a full tank would last me weeks.
-i also have noticed that the antifreeze has been leaking as well, but unfortunately i cant tell where is leaking from particularly, except i know the leakage is coming from somewhere near the right front wheel.
-and no matter how many times i change my oil, it's dirty as hell after a week.

And then there are the electrical problems:
-my gas/temp cluster didn't work so i bought another one and after i installed it it worked just fine but after about 3 weeks I've noticed that in the morning the temp/fuel gauge only light up but half way and if i dim them they turn off completely, and if i make them bright again, they do get a little brighter but progressively (little by little). however, at night, they light up and work perfectly fine, unless it has rained or is really cold out, then they work how they usually work in the day.
- also, the locks from time to time they stop working. like for example, in the morning, they'll stop working so i have to lock the car manually, and then at night when i'm off work, they'll be working again.

-don't get me started on my A/C that only blows but it does not direct air anywhere (feet/windshield/etc...) but to the face. also, the a/c light doesn't turn on so i only get hot air or cool air (because is never actually as cold as an a/c should be).

-my cigarette lighter doesn't work.even though it lights up.

-and my 4ws only works if i park my car with the wheel all the way to the right but even then it has the ABS light on the dash but not the speed/rpm cluster.

- my stereo had to be connected with a cable directly from the fuse box because the actual cable that should be carrying the constant current didn't have any current.

-i once went over all my fuses with a little current checker and turns out that not only are some fuses out of place from where the little map printed on the the fuse box's cover says, but some of them don't even have current.

-my antenna doesn't work.

- my cruise control does nothing.

-I'm sure there are more electrical anomalies but none that i can remember right now, although even with just these ones I'm pretty screwed.

-now, i was thinking of just redoing the whole wiring on my car
because that could probably solve the problems but then i remembered that the owner before me mistreated this car so much and not only did he beat it to hell but he went ahead and but in a sound system himself although i don't think he had any idea of what he was doing because the car has a ton of extra cables everywhere. however, because i know just as much as he probably did, i'm not sure which ones would be the extra ones (expect for a few obvious ones) and which ones would be the ones the car needs.


HOWEVER I STILL LOVE MY CAR AND I DO NOT WANT TO GET RID OF IT.

so i was wondering if you guys had any ideas of what the source of my problems (or at least one) could be and how they could be fixed.

any input would be appreciated.

also, could i do this whole thing on my own or would i have to go to a professional? and around how much would it run me? cuz i know electrical on a car can be quite expensive. and i'm on a low budget..

but i want to save my prelude cuz is all i have/want/need.

thank you.
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Old 01-09-2011, 08:01 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

I fore-see a HUGE thread starting.... lol.

The first thing I recommend for you is to start at the beginning and Understand what you are getting into. There is a sticky at the top of this 4th gen forum that has a complete user repair guide. I have found it invaluable in regards to working on my own car. So many of the problems you have described are in this manual and will be MUCH easier to trouble shoot if you start here first...

for example, the HVAC Mode settings can be one of many things, but, because I have thoroughly read the guide my two suggestions are, switch modes, while the key is on of course, and do a visual check of the mode control motor. Does it attempt to turn at all?

if NO.. then you are probably dealing with a VERY Typical issue of the green harness plug has multiple bad solder connections. You can push buttons all day, but the signal is not getting to the mode control motor telling it to move.

I have so much to say (ask anyone who knows me--HAHAHA) BUT I am going to stop right now and let you do the right thing... go read for a bit.
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Old 01-09-2011, 11:58 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Maybe a short. Take the stereo fuse out and see if it helps.

Maybe it's not a gas leak, maybe the car is not burning gas properly and it has really bad fuel efficiency.

Where is the rattling noise coming from?
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Old 01-10-2011, 12:53 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

also check your ground wires if a ground wire is corroded or dirty could cause problems.
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Old 01-10-2011, 03:08 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

So why is his oil getting dirty so quick??I'm having the same problem.
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Old 01-10-2011, 05:14 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

I'd get out of that money pit and try and find another lude it's not worth all that hassle IMO. But it's your car and I know how I am with mine. I love my car too much to ever think about parting with it lol
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Old 01-10-2011, 07:37 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by moe24 View Post
So why is his oil getting dirty so quick??I'm having the same problem.
Coolant is mixing with oil. Blown head gasket?
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Old 01-10-2011, 09:43 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by moe24 View Post
So why is his oil getting dirty so quick??I'm having the same problem.
Exhaust gasses are probably getting by the rings contaminating the oil.
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Old 01-10-2011, 10:32 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

I had a rattle noise too when i let rpms down, sounded like it was coming from the engine, but my timing belt snapped and i sold the car, never figured out what it was would be interested to find out what it was!

Last edited by New_Lude12; 01-10-2011 at 10:37 AM.
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Old 01-10-2011, 12:04 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by hollokold View Post
also check your ground wires if a ground wire is corroded or dirty could cause problems.
so where would these or any of the major wires be found? sorry, i'm a real nuwb and i been trying to read the manual to fix problems like this but i'm getting confused even more whenever i read more car parts i'm like "ok wtf is that other part now"?

so if you had an idea of where they are you could probably help me a lot!!!

thanks
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Old 01-10-2011, 12:18 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by LilMsPrelude View Post
I fore-see a HUGE thread starting.... lol.

The first thing I recommend for you is to start at the beginning and Understand what you are getting into. There is a sticky at the top of this 4th gen forum that has a complete user repair guide. I have found it invaluable in regards to working on my own car. So many of the problems you have described are in this manual and will be MUCH easier to trouble shoot if you start here first...

for example, the HVAC Mode settings can be one of many things, but, because I have thoroughly read the guide my two suggestions are, switch modes, while the key is on of course, and do a visual check of the mode control motor. Does it attempt to turn at all?

if NO.. then you are probably dealing with a VERY Typical issue of the green harness plug has multiple bad solder connections. You can push buttons all day, but the signal is not getting to the mode control motor telling it to move.

I have so much to say (ask anyone who knows me--HAHAHA) BUT I am going to stop right now and let you do the right thing... go read for a bit.
thanks lilmsprlude but i have been reading however, whenever i read something that mentions another car part i get more lost and i become a bit frustrated. is like i'm reading another language
but i'm trying. just one question. would you know a way to make this easier? like "preludes for dummies" or somthing? i know is stuppid to ask this and it also makes me look more like a noob but i love my car and i want to be able to save no matter how many stupid questions i might have..

hopefully you understand
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Old 01-10-2011, 01:06 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

you have grounds every where on a 4th gen you have them attached to the intake and water spout in the engine, behind the radio and dash also, and the noise you here might be the valve lashing thats what it was on mine had to get adjusted with my lifters, but you have to be more specific about the sound and where its coming from.
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94 daily driver drill slotted rotors-msd setup-stage 3 clutch and 8.5 lb flywheel f22a1,5lug swap on rsx rims wrapped in 205/40/16,5gen glass sunroof conversion,jdm headlights,wit h&r drop springs

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Old 01-10-2011, 02:58 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

how many miles on the lude?
the higher the miles the more likely your rings are worn and your oil is getting dirty

look for wet spots on the radiator (where the antifreeze goes in) if there is none check all of the hoses on the right side of the engine these are older cars the the hoses do rot out over time, check the clamps on them as well. you don't have your water pump on that side so you can breathe a small sigh of relief

as for your engine rattling does it do it at idle as well and are you positive its comming from the engine it's self and not one of the accessorys (power steering,ac,alternator)
if you are unsure...then check. Try getting a valve adjustment and check your Timing belt

look under the dash for all of your ac vents and "tubes" you may be missing some if they are not blowing where you want it to then im sure your missing some simple components
try doing the AC board repair lilmslude mentioned its not time consuming and it could fix your issue

Your 4WS may have a similar problem to the A/C my first prelude had the same issue and when i re-soldered the connections it fixed the issue. the computer is located in the trunk take it out and check the harness and the joints on the board (be careful with this)

hope this helps a lil bit electronics are not my specialty, I remember when i was new. Unfortunately there are alot of electronics and computer "doo dads" in these cars. it just takes patience and determination to learn correctly. Listen to the ppl that are trying to help you and you will learn ALOT.
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Old 01-10-2011, 08:16 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by TheDream View Post
thanks lilmsprlude but i have been reading however, whenever i read something that mentions another car part i get more lost and i become a bit frustrated. is like i'm reading another language
but i'm trying. just one question. would you know a way to make this easier? like "preludes for dummies" or somthing? i know is stuppid to ask this and it also makes me look more like a noob but i love my car and i want to be able to save no matter how many stupid questions i might have..

hopefully you understand
I can only recommend taking aim at one problem at a time Other wise you will start feeling overwhelmed... sounds like you already are?

There are a LOT of threads and discoveries by other luders here. I myself have learned a lot from studying a specific section in the repair guide (the HVAC controls for example) and taking the troubleshooting steps one at a time.
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Old 01-11-2011, 11:44 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by hollokold View Post
you have grounds every where on a 4th gen you have them attached to the intake and water spout in the engine, behind the radio and dash also, and the noise you here might be the valve lashing thats what it was on mine had to get adjusted with my lifters, but you have to be more specific about the sound and where its coming from.
thanks. will look into the ground cables more specifically now.

and the ratling noise sounds like is comming from the engine. but after a closer look, i've noticed that everytime i would press on the gas, one of the belts would shake a little. so i asked around at autozone and they told me that it was probably the harmony somehing. is a pullie tha is basically 2 in one. a big one and a smaller one right next to it. is located on the bottom corner furthest in. (this is the time where i really wish i had a working camera to post a picture). is really close to the front left corner. would you guys know what i'm talking about? if so do you think replacing it could be a "do it yourself type of deal?"
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Old 01-12-2011, 12:19 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by ranger11x View Post
how many miles on the lude?
the higher the miles the more likely your rings are worn and your oil is getting dirty

look for wet spots on the radiator (where the antifreeze goes in) if there is none check all of the hoses on the right side of the engine these are older cars the the hoses do rot out over time, check the clamps on them as well. you don't have your water pump on that side so you can breathe a small sigh of relief

as for your engine rattling does it do it at idle as well and are you positive its comming from the engine it's self and not one of the accessorys (power steering,ac,alternator)
if you are unsure...then check. Try getting a valve adjustment and check your Timing belt

look under the dash for all of your ac vents and "tubes" you may be missing some if they are not blowing where you want it to then im sure your missing some simple components
try doing the AC board repair lilmslude mentioned its not time consuming and it could fix your issue

Your 4WS may have a similar problem to the A/C my first prelude had the same issue and when i re-soldered the connections it fixed the issue. the computer is located in the trunk take it out and check the harness and the joints on the board (be careful with this)

hope this helps a lil bit electronics are not my specialty, I remember when i was new. Unfortunately there are alot of electronics and computer "doo dads" in these cars. it just takes patience and determination to learn correctly. Listen to the ppl that are trying to help you and you will learn ALOT.

thank you brother. for putting it in such an "easy to read" way. and i'm checking all my hoses as soon as the car cools down, just got home from work so is abit too hot for me to mess with it right now. i'll tell you what i found.

and as far as the rattling noise. after a further examination. yes, i know now is not comming from the engine itself but from the right side, from one of the pullies and belts, i have a suspision is the "harmony balancer" or at least that's what the guys at autozone told me when they saw the part and how it made one of the belts shake a little.
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Old 01-12-2011, 12:41 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by LilMsPrelude View Post
I can only recommend taking aim at one problem at a time Other wise you will start feeling overwhelmed... sounds like you already are?

There are a LOT of threads and discoveries by other luders here. I myself have learned a lot from studying a specific section in the repair guide (the HVAC controls for example) and taking the troubleshooting steps one at a time.

yes. i decided i will take one problem at a time. first ill start on fixing all the electronic prloblems. more speficially finding the bad grounds and see wher i take it from there.
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Old 01-12-2011, 01:06 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

if its your crank pully(harmonic balancer i don't think we have those as we have balance shafts) you got bigger problems (crank walk) so i doubt it. I think it may be your Timing belt tensioner pully. what engine do you have?
H23 DOHC 2.3 non vtec
H22 DOHC 2.2 VTEC
or F22 SOHC 2.2 non vtec
and for future reference don't listen to the guys @ autozone when it comes to diagnosing problems on your car. In my experience they are idiots who can look up parts on a computer. not saying all of them just the majority.
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Old 01-12-2011, 10:11 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

Quote:
Originally Posted by ranger11x View Post
if its your crank pully(harmonic balancer i don't think we have those as we have balance shafts) you got bigger problems (crank walk) so i doubt it. I think it may be your Timing belt tensioner pully. what engine do you have?
H23 DOHC 2.3 non vtec
H22 DOHC 2.2 VTEC
or F22 SOHC 2.2 non vtec
and for future reference don't listen to the guys @ autozone when it comes to diagnosing problems on your car. In my experience they are idiots who can look up parts on a computer. not saying all of them just the majority.
I have a harmonic balancer/crankshaft pulley on my S. It runs the belts for power steering and the alternator/AC.

The rubber between the smaller pulley and the larger pulley deteriorates and the pulleys come apart. I've had that happen 2 times in my car.

The replacement is to take the big nut in the middle of the balancer out, slap in a new one (eBay is a great place to buy cheap balancers) and put the belts back in. Although, that nut is I believe the biggest nut in the car and it takes some doing to get it out, also rotates with the engine.
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Old 01-12-2011, 01:46 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

i said "think" im not sure if it actually helps balance things or if its just a crank pully
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Old 01-12-2011, 02:17 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by ranger11x View Post
i said "think" im not sure if it actually helps balance things or if its just a crank pully
I read somewhere that the rubber part of the pulleys does some sort of harmonic balancing/damping.
Yeah, it's good to also look up harmonic balancer when on eBay because sometimes it's not called crankshaft pulley by the manufactures and sellers don't put in crankshaft pulley in the title.
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Old 01-13-2011, 11:59 AM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by ranger11x View Post
if its your crank pully(harmonic balancer i don't think we have those as we have balance shafts) you got bigger problems (crank walk) so i doubt it. I think it may be your Timing belt tensioner pully. what engine do you have?
H23 DOHC 2.3 non vtec
H22 DOHC 2.2 VTEC
or F22 SOHC 2.2 non vtec
and for future reference don't listen to the guys @ autozone when it comes to diagnosing problems on your car. In my experience they are idiots who can look up parts on a computer. not saying all of them just the majority.
h23 nonvtec
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Old 01-13-2011, 12:07 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by mr0x View Post
I read somewhere that the rubber part of the pulleys does some sort of harmonic balancing/damping.
Yeah, it's good to also look up harmonic balancer when on eBay because sometimes it's not called crankshaft pulley by the manufactures and sellers don't put in crankshaft pulley in the title.
thanks. i'll look that up. also, i just noticed one of those pulleys isn't turning. and this mechanic told me that's the A/C compressor. i want to replace it. however, i'm not sure if it's a good idea or not because i since mu A/C is malfunctioning i don't know if it's not turning cuz of that, or cuz the compressor is just not working. any ideas how how to make sure?
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Old 01-13-2011, 12:18 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by TheDream View Post
thanks. i'll look that up. also, i just noticed one of those pulleys isn't turning. and this mechanic told me that's the A/C compressor. i want to replace it. however, i'm not sure if it's a good idea or not because i since mu A/C is malfunctioning i don't know if it's not turning cuz of that, or cuz the compressor is just not working. any ideas how how to make sure?
Your A/C isn't working because the pulley isn't turning. I don't think it's the other way round.

I think alternator is also on the same pulley. You should have a battery light on your dash. I don't know if the ludes stops running if the battery runs out.
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Old 01-13-2011, 12:58 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by mr0x View Post
I have a harmonic balancer/crankshaft pulley on my S. It runs the belts for power steering and the alternator/AC.

The rubber between the smaller pulley and the larger pulley deteriorates and the pulleys come apart. I've had that happen 2 times in my car.

The replacement is to take the big nut in the middle of the balancer out, slap in a new one (eBay is a great place to buy cheap balancers) and put the belts back in. Although, that nut is I believe the biggest nut in the car and it takes some doing to get it out, also rotates with the engine.
so is it a crankshaft? a crankshaft pulley? or a harmonic balancer? cuz looking them up on ebay they are pretty much all different things

and they also vary in prices. also, i was wondering, should i buy just the pulley or the whole crankshaft. i mean, obviously they are both connected to each other but how crucial is one to the otherone?
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Old 01-13-2011, 01:08 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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I think alternator is also on the same pulley. You should have a battery light on your dash. I don't know if the ludes stops running if the battery runs out.
that's the thing. the only light on my dash is the ABS light. and i know all the lights work because they all light up when i turn the key on the car. granted, the oil and battery light stay on alog with the ABS, but once i turn on the car, the only one on is the ABS.

you would think with all these b.s, that at least the check engine light would be on... haha
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Old 01-13-2011, 01:30 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by TheDream View Post
that's the thing. the only light on my dash is the ABS light. and i know all the lights work because they all light up when i turn the key on the car. granted, the oil and battery light stay on alog with the ABS, but once i turn on the car, the only one on is the ABS.

you would think with all these b.s, that at least the check engine light would be on... haha
I don't know, dude, maybe it's crank walk as ranger11x said. Maybe post pictures and videos of what's going on for a better understanding of the problem. I have replaced the balancer twice so I'm kinda biased about the whole thing.

It's crankshalft pulley / harmonic balancer
NOT
crankshaft
crank pulley
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Old 01-13-2011, 02:13 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

ok so now that that is all sorted out lol
get a harmonic balencer/crankshaft pully you would be wasting money with getting the whole crankshaft and i doubt you want to pay to get it installed.

if your A/C compressor pully aint spinning,neither should your power steering...there would be no belt, it would shred apart if all the others were spinning, how ever it could be the clutch in the compressor in that case get a new compressor. BUT like lilmslude and i said before you go out and buy new parts do the home repair with the A/C board first to eliminate the most common problem and then go from there. working on cars is a hit and miss kind of thing and a process of elimination.

and DEFF check your timing belt tensioner your lucky to have the H23 in this case due to the fact that you have a manual tensioner. they don't go bad often and are quite reliable but like all mechanical parts it will go out over time! get it looked at and if need be get it replaced.

if you still feel that your not getting anywhere post a good quality video of your engine and it running show LOTS of details and make sure the sound quality is good as well
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Old 01-16-2011, 05:02 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Coolant is mixing with oil. Blown head gasket?
now, i heard of some guy saying something about the rings. would that be the same thing?
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Old 01-16-2011, 06:45 PM
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Re: electronicaly marjorly malfuntcioning prelude... please help!!

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Originally Posted by hollokold View Post
also check your ground wires if a ground wire is corroded or dirty could cause problems.
you were right. they were dirty as hell. all of them (in the motor at least) were this dirty.




also. could any of you tell me what it is that i'm pointing at bellow? it looks rusty as hell and i'm not sure whether that will be a problem..



and this is a pic of where i saw the antifreeze leaking from hopefully you see the GREEN DROP


also. SHOUT OUT TO ALL YOU GUYS WHO HAVE BEEN REALLY HELPFULL AND EDUCATIVE WITH ME. SPECIALLY SHOUT OUT TO LILMSPRELUDE CUZ I'M READING AND I'VE BEEN LEARNING A LOT IN THE MANUAL.

Last edited by TheDream; 01-16-2011 at 06:49 PM.
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