Ticking Hydraulic Lifter(s) - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 08-19-2006, 09:10 AM Thread Starter
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Ticking Hydraulic Lifter(s)

My '95 S500C 5.0 V8 just had the oil tubes replaced. After about
2,000 miles a ticking noise returned, it occurs just for a few minutes
at cold start up, them disappears as the engine warms up and the oil circulates.
When I was away I left the car sit for three weeks, when I started it up, the engine ran rough for a few minutes while it made the ticking noise, then it ran smooth and the noise stopped. I run it in a regular basis now, the ticking noise is still there at cold start up, but the roughness has had not re-occurred.

The dealer told me it is the Hydraulic lifters, and they need to be replaced.
The car has had regular oil changes and has about 90,000 miles
on it. I use Quaker State 5W50 synthetic, is it worth trying a different weight such as 10W50 or brand.
as I am due for an oil change.

Do you think it might be worth trying an engine flush first, before I have the work done?
Wynns has one that is suppost to free hydraulic lifters?

Also to replace the lifters does the timing chain & tensoner need to be

Thanks in advance for your replies.

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post #2 of 2 (permalink) Old 08-21-2006, 02:58 AM
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if you rev the engine for a second at start up the ticking will go away.

mine ticks on cold but i rev it to 3k and the noise stops

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