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ThePermanentProject

What Problems Would Slack In A (1Zzfe) Timing Chain Likely Cause?

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Hi all,

- i need some real-world experience on this one............

Have started to hear a light, metallic, inconsistent rattle at warm idle recently.

Had the valve-cover off, and can see that there is slack in the low-tension side of the timing chain........

How much slack is acceptable (in the real world), and what (if any) symptoms would this most likely produce?

Best Regards,

- andrew.

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Your best bet would be to speak to Se7en Motorsports on Celica-Club. What he doesn't know about the 1ZZ & 2ZZ engines isn't worth knowing!

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