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overheating. really need help.

 
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Old 09-23-2010, 02:48 AM
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overheating. really need help.

my car is overheating bad. I have no choice but to drive it to work and back home every day but i know it is damaging the engine. The coolant is not circulating so I believe the water pump is bad. Is there anything else that could cause the coolant not to circulate? I need to fix this asap but Im not sure I can fix this one myself since the water pump is behind the timing belt. doesnt it have to be put back in time if you remove the timing belt? if so im not sure I can do that?
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Old 09-26-2010, 01:45 AM
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Re: overheating. really need help.

bump. Any ideas?
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Old 09-26-2010, 10:00 AM
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Re: overheating. really need help.

Could also be a frozen thermostat or a blocked passage in the radiator -- both easier to check (and fix) than the pump. But if it's the water pump, then yes, you have to remove all the parts on top of it, and yes, you'll have to make sure the timing is reset correctly. If you're going to go through all that, you may as well replace the timing belt, too. There's a very complete procedure in the shop manual, and I'd guess more than a few writeups on the web.
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Old 09-26-2010, 12:22 PM
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Re: overheating. really need help.

Id check the t-stat first since its muchh easier to check AND replace!! Let the car idle/warm-up for about 10-15 minutes, then grab both rad hoses. If the top hose is hot and the bottom is still cold than your t-stat is stuck closed.
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Old 09-26-2010, 09:11 PM
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Re: overheating. really need help.

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Originally Posted by twokexlv6coupe View Post
Id check the t-stat first since its muchh easier to check AND replace!! Let the car idle/warm-up for about 10-15 minutes, then grab both rad hoses. If the top hose is hot and the bottom is still cold than your t-stat is stuck closed.
True story!!!
and FYI,,, I have Never seen a Honda H20 pump go bad
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Old 09-27-2010, 01:30 AM
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Re: overheating. really need help.

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Originally Posted by Crx304 View Post
True story!!!
and FYI,,, I have Never seen a Honda H20 pump go bad
Mine did, it was leaking. =/ But it was probably the old ass OEM one cuz when I got the car it was the most stock prelude you could have ever seen.
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Old 09-27-2010, 07:13 AM
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Re: overheating. really need help.

i just had the same problem with my lude. it started off with a heater core hoes. after replacing the hoes and bleeding the coolant i could not for the love of god think why i could be over heating. * It was round 2am sitting in a parking lot with a upset wife* come to be the thermostat and radiator cap *STUPID SEAL BROKE*. 730 the next morning got a new thermostat and cap and running great now. as for the water pump ,are you losing coolant from the seal and just to ask is you coolant reservoir felling and coolant not making it to the block?
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Old 09-27-2010, 11:00 AM
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Re: overheating. really need help.

also to check if its the t-stat let the car run for about 10 mins to warm up and look at the temp gauge if it fluctuate's or doesnt even rise its definitely the t-stat...but yea start with replacing that first (hopefully) a nice easy fix ...
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Old 09-27-2010, 12:10 PM
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Re: overheating. really need help.

It does have coolant in it, correct? Of the right type and mixture? And your fans are operating?

If so, check the thermostat and replace the radiator cap. If it isn't either of those, you're most likely looking at a water pump replacement.
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Old 09-27-2010, 11:59 PM
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Re: overheating. really need help.

Hi, i am also facing the same overheating with my 1993 SI-SRS Prelude.
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Old 10-03-2010, 12:23 PM
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Re: overheating. really need help.

hey thanks everyone for the responses :). The problem is fixed finally but you wont believe what I found when I took off the t-stat housing. NOTHING! there was NO t-stat in it at all! wtf?! I have never ever seen that before. who just takes the thermostat out and doesnt replace it?! lol oh well I replaced it and there was also a coolant house that was leaking badly which I replaced and it runs ok now, although, I am somewhat worried that driving the car even short distances while it was overheating, has shortened the lifespan of the 170+k engine :/
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Old 10-03-2010, 03:00 PM
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Re: overheating. really need help.

the only way to check is to make sure the deck ain't warped our engines don't hold up well to heat due to the aluminum have a shop check it out thats all i know. There may be other things and im sure someone will chime in if there is
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Old 10-03-2010, 04:57 PM
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Re: overheating. really need help.

Quote:
Originally Posted by prelude96 View Post
hey thanks everyone for the responses :). The problem is fixed finally but you wont believe what I found when I took off the t-stat housing. NOTHING! there was NO t-stat in it at all! wtf?! I have never ever seen that before. who just takes the thermostat out and doesnt replace it?! lol oh well I replaced it and there was also a coolant house that was leaking badly which I replaced and it runs ok now, although, I am somewhat worried that driving the car even short distances while it was overheating, has shortened the lifespan of the 170+k engine :/
Glad u found the issue... as for being unsure about driving it long distances ... DO THIS... call up a good friend w/ a truck and a tow strap and do 5 mile radius laps for 50 or so miles... if u start to overheat.... at least u have back up and know that a HG and surface job is in ur future
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