1998 TOYOTA COROLLA SUSPECT TIMING CHAIN RATTLE

  • Tiny
  • 7a6b9c
  • 1998 Toyota Corolla

Noises problem
1998 Toyota Corolla 4 cyl Front Wheel Drive Manual 159, 00 miles

98 corolla. 1zz motor 159k. Engine rattle at idle- intermittent. Not the serp tensioner. Removed valve cover and noticed chain loose/slack between cam gears. Turned motor to topdeadcenter and removed and reloaded and reinstalled tensioner. Timing chain seems tight only on compression stroke, and has quite a bit of slack between compression strokes on the cam gears. I can literally pick the chain up about a half an inch between the cam gears when not on the compression stroke. Should I dissassemble and look for stretched chain, worn gears and worn chain guides?

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Monday, October 19th, 2009 AT 12:26 PM

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  • Tiny
  • mmprince4000
  • Expert
  • 8,715 posts

Yes, I would replace chain, tensioner and guides, that is a lot of play. Inspect gear teeth for wear.

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Tuesday, October 20th, 2009 AT 9:39 AM

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