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Discussion Starter · #1 ·
My z19dth has developed a teppety sound a 3000rpm completely disappears below that. Any ideas? I'm guessing hydraulic lifters?
If so how much?
Cars done 50,000 miles.
 

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if it is the lifters, its quite a big job, both cams out, cam belt off so you would need to have a new cam belt fitted too

on my engine, the lifters arent hydraulic or adjustable, but are very loud at around 3k, but we dont think it is the lifters, but something else lower down. Not sure whats in the 1.9 cdti

you could try hydraulic lifter treatment, has it been serviced regularly?
 

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A.O.N Assistant Regional Organiser - Scotland East
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It's got hydraulic lifters in the z19, but I would hazard a guess it's something else since I would suspect the tappet sound to be there most of the time not just at 3k revs.

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Discussion Starter · #5 ·
Strangely today the noise was gone! Did 30 miles yesterday and it did it the whole time and today it's gone.
 
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