Honda Prelude Forum

How do you remove an alternator on a 1990 Prelude Si? I have changed several alternators on Honda civics and accords, but I am having difficulty removing this one from the prelude. I have already removed the power steering pump, disonnected the wiring harnesses, lossened the tension aduster, and removed the top bolt from the alternator. My problem is the bottom screw or nut. I cannot find it. Any suggestions?

Thanks

im running into the samething in my 89 but its just cuz icamnt get it with the socket. no room. gotta go get some more wrenches when im not lazy

the bolt is on the very bottom. ....its hard to see but its on the very bottom of the alternator

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ive got mine pulled out. tommorow im putting a 94 accord alt back in.

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an clue on what size of socket or wrench to use? i took off the power steering pump harness and header cover and i stiiiiillcant get to it

I have found the bolt that is holding it in at the bottom, but my problem is that it is not the typical bolt that is holding it in. Instead of a bolt that is similar to the top bolt holding the alt. in, this bolt does not have a nut at the end of it to put a wrench on. It looks very similar to a nail punch.

The Honda alternator bolts have a Hex head to put a wrench or socket on them. If I recall correctly its a size 12mm.

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3rd Gen Prelude Owners are Rare Breed of Enthusiast's!!! (originally posted by: RED89si)

yep it is a hex 12mm! it was weird for me at first but i got it off

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Grandmaster and 1funryd, I am assuming that I will need a 12mm hex wrench to get it off. I have never had to use one of these before. Can I get one at any auto parts or a Home Depot?

mine was a hex 10mm...however i have an 88...i just had to change mine about a week ago...and on mine there is a compressor hose bolted right next to the lower bolt...so you can't fit a socket wrench in there...and from the front you cant use open wrenches cause the actual compresser hose makes for no room to move the wrench...

i actually got my alt out with removing the powersteering pump. if you look right at your exhaust manifold then look over to the right alittle, you will see the bolt. Its really skinny and long looking.

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Finally got it out with a 10mm wrench. What a pain! Put the new one in and it is running like a champ again. Thanks for the help Grandmaster.

Would this be the sAme in a 89?

A good in vestment would be to get some ratcheting 8,9,10,11,12,13,14,15mm wrenches from your nearest HarborFrieght tools.

It makes this job so much easier, trust me.

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3rd Gen Prelude Owners are Rare Breed of Enthusiast's!!! (originally posted by: RED89si)

ah finally got it out this morning. finally found a working online 89 manual to walk me through it haha

yes ratchet wrenches make the jobs much easier but there is really no need for the 8,9,11, and 13mm on a honda... 85% of the stuff can be done with just 10,12, and 14mm

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91 Si 4WS frost white JDM B20A!! fixing
91 Si 4WS granada black pearl B21A1 (for now) knocking
91 Si 4WS red wrecked
90 Si black blown
86 CRX SI sold
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True very true. I just like to have it for the just in case?

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(Danny19 - JDM RH Drive) (1Funryd - H23 Swap) (B20luda - Turbo Charged H22)Representing All of 3rd Gens!!!



3rd Gen Prelude Owners are Rare Breed of Enthusiast's!!! (originally posted by: RED89si)

i know what you mean

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Total Bans: 7
2009 Bans: 5




91 Si 4WS frost white JDM B20A!! fixing
91 Si 4WS granada black pearl B21A1 (for now) knocking
91 Si 4WS red wrecked
90 Si black blown
86 CRX SI sold
90 F-150 300c.i. inline 6 5 speed work horse/huttin truck
02 Honda Magna VF750C- play toy

members ride thread: http://www.preludezone.com/showthread.php?t=3023
www.myspace.com/cramer11

NOT ON ANY BANDWAGON!!