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chainsaw sound

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Old 03-02-2011, 09:16 PM
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Default chainsaw sound

Hearing a chainsaw sound both in gear and idle usually when going through around 5k rpm but sometimes also around 3-4k rpm. Dealer replaced heat shields but didn't eliminate noise.
Old 03-03-2011, 02:46 AM
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TCT?
Old 03-03-2011, 05:29 AM
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When I was in the process of trying to find a good condition AP1, I test drove one that exhibited this exact same noise around those same conditions. From what I could tell and already knew about the car, a slipping TCT was the first thing that popped in my mind.

I bought a different ap1. heh.

Good luck.

https://www.s2ki.com/s2000/topic/808...ent-or-repair/
Old 03-03-2011, 10:57 AM
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Originally Posted by SilverS2kF22C1
TCT?
Old 03-03-2011, 10:57 AM
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I'm sorry, what is a TCT?
Old 03-03-2011, 11:02 AM
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"T"iming "C"hain "T"ensioner

This is a fairly common issue with the F series motors and there are a few methods to address, one is a salvage/rework of the existing tensioner the other is replacement with a new one. A search of the forum for TCT should yield the thread(s) that cover this.
Old 03-03-2011, 07:46 PM
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Originally Posted by SilverS2kF22C1
"T"iming "C"hain "T"ensioner

This is a fairly common issue with the F series motors and there are a few methods to address, one is a salvage/rework of the existing tensioner the other is replacement with a new one. A search of the forum for TCT should yield the thread(s) that cover this.
Old 03-03-2011, 07:49 PM
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Problem turned out to be simple, thankfully - one of the exhaust caps wasn't tight enough and was causing the vibration at certain rpms. Thanks for your help though.
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