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Location:
South Australia
Registered:
July 2002
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3S-GE rebuild q
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Mon, 13 October 2003 05:52
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Just finally finished my ST162 engine rebuild...nearly everything is running great. However, there is a slight whirring/whining noise coming from the cam timing belt. Is this normal for a new belt?
The only thing that I could have stuffed up is maybe when we were cleaning the engine up the idler pulley got a little bit 'degreased' - everything else (cam pulleys, crank pulley etc) was taken apart and re-installed with new seals, grease etc etc so this is the only thing I can think of. I personally don't want to have to take the timing cover off again as it's a complete pain in the arsehole with the engine in the car and I've already had to do it twice.
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Location:
Brisbane
Registered:
February 2003
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Re: 3S-GE rebuild q
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Mon, 13 October 2003 06:02
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i'd personally recommend replacing the idler pulley when doing the rebuild.
its the most likely culprit of the noise you are describing. If it seizes then the timing belt will break. The 3S-GE is a non-interference head, so the damage won't be huge, just very annoying.
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Location:
Lost in the K hole
Registered:
May 2002
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Re: 3S-GE rebuild q
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Mon, 13 October 2003 06:32
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have you considered that the timing belt may be slightly too tight? that makes a nice whirring noise (with a hint of buzz)
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Location:
South Australia
Registered:
July 2002
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Re: 3S-GE rebuild q
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Mon, 13 October 2003 13:53
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Hmmm...no buzz. But a definite whine/whirr.
Looks like I'll have to take that fuxoring timing cover off again! Man I hate getting at the two bolts next to the engine mount, then there's the debacle of getting it out of the tight space that it's in.
*sigh*
FWDs suck 
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Location:
Gold Coast
Registered:
May 2002
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Re: 3S-GE rebuild q
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Tue, 14 October 2003 02:34
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The tensioner on a 162 has a bearing you can easiy replace for less than $10. I'd have the bearing pressed out and replaced. Could just be a bit dry if you degreasd it and it was getting oldish.
Steve
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