FollowupID: 579847 Submitted:
Friday, Jul 04, 2008 at 09:51
Member - 120scruiser (NSW) posted:
A clutch plate is made up of two pieces and they are joined together and dampened with either rubber, springs or both. The 1HZ and 1HDT engines have immense amounts of vibrations and wear these damper bushes out. The originals in the early toyotas were just rubber and they would last about 6 months. The latest generation has a rubber bush, spring and plastic bushes to try and make them last longer.
They make the most noise in low gear when taking off or they are really bad when in low range idling along.
Every clutch manufacturer is trying to fix them and have been for 15 years. It is normal and usually starts about 6 months after a clutch has been installed.
Best of luck with what brand you choose.
For some reason the 100 series is not as bad but the 1HZ in them went with a larger harmonic balancer to probably absorb the vibrations.
Scott
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