300ZX (Z31) Forums Dedicated to 84-89 ZCars otherwize known as the Z31's

funny sound from timing belt

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Old 12-06-2002 | 04:41 PM
  #1  
insomniac67j's Avatar
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kermit
 
Joined: Mar 2002
Posts: 57
From: forest, va
funny sound from timing belt

finally got the car to work!!, its been down for like a month or more, anyways, ummm, when we started the engine, there is this sound coming from the area where the timing belt is. it's like, ummm.... whining sound or somethin', I can't really describe it, could the belt be too tight/loose? any help would be appreciated, or has anyone replaced their timing belt and had some sort of noise?

Old 12-07-2002 | 02:12 PM
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mdharris11's Avatar
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Joined: Dec 2002
Posts: 24
Re: funny sound from timing belt

If you haven't changed the timing belt tensioner -- change it.
Mine was making the same noise until I bought a new tensioner. Autozone has one for under $30. The general rule for tension on the belt is bewteen the two cam pulleys you should be able to turn the belt half way between your thumb and index finger -- but follow the man. specs. first! Tensioner bolt should be torques to 30 lbs. Good luck!

Old 12-08-2002 | 11:58 AM
  #3  
insomniac67j's Avatar
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kermit
 
Joined: Mar 2002
Posts: 57
From: forest, va
Re: funny sound from timing belt

thanks, it was the tensioner, finally i can drive my z again!!,

Old 03-13-2003 | 11:51 PM
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86ZXTurbo's Avatar
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From: San Leandro, California
Thats the same problem Ive been having and I just had my timing belt replaced. they didnt replace the tensioner, I found out. that must be it. now my question is should I demand that I not have to pay for this. I mean, isnt that a standard part to replace when doing the timing belt?
Old 03-15-2003 | 08:46 AM
  #5  
insomniac67j's Avatar
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kermit
 
Joined: Mar 2002
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From: forest, va
Originally posted by 86ZXTurbo
Thats the same problem Ive been having and I just had my timing belt replaced. they didnt replace the tensioner, I found out. that must be it. now my question is should I demand that I not have to pay for this. I mean, isnt that a standard part to replace when doing the timing belt?
maybe, i dunno. we did all the work ourselves, found out what was needed to be replaced along with a timing belt and replaced it all .. anywho, yeah, i guess it is standard, so you might want to check that out
Old 03-18-2003 | 08:35 PM
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86ZXTurbo's Avatar
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From: San Leandro, California
well update. I had to tell them "maybe its the tensioner..." and he said "maybe" so I dropped the car off and they called me at the end of the day and said come pick it up, no labor charge, just pay for the part. very cool huh? we will see if it squeaks. I have to wait for it to be cold outside before it will make the noise, if at all.
Old 03-21-2003 | 01:51 AM
  #12  
86ZXTurbo's Avatar
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From: San Leandro, California
ok Update AGAIN! so I started her up tongiht and started driving to the gym, it didnt make the noise....at first. so whatever they did (replace the timing belt tensioner apparently) improved the problem a little, but its still there. so Ill call them tommorow and see what they have to say
is there a chance they didnt tighten it enough or what? they said they checked all the pullys and they all seemed fine, btw. and ALL the belts are new...this problem has got me stumped
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