Question about Cars & Trucks
Clicking noise under valve cover. Is the probable cause bad lifters?
Posted by Anonymous on
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Posted on Jan 02, 2017
valve lifters make a kind of rattly knocking noise! which sort of follow engine revs.if they are gone you may need a new camshaft as well, best to do itr all at the same time and are sold as a kit.are you sure there is a new noise or are you just listening harder?
Posted on Feb 16, 2009
First thing to do is change oil and filter. Hopefully it has not done this long and has hard faced the shims. Good luck and have a good day.
Posted on Apr 05, 2009
sounds like a hydraulic lifter or 2 draining overnight, and tap lightly till they pump up. Ultimately replacement is required. Hope this helps
Posted on Apr 07, 2009
SOURCE: upper engine knock
I had the same problem with my 1999 Cobra Convertible, it sounded like valve problem, but ended up being, a wrist pin noise! Replaced the enging and trans, found a new Engine thru Trans, with everything on it for $4300, sold the old one (with the noise) on e-bay, for $4300 plus shipping.
The drivetrain now has about 10k miles on it, no problems! Have someone check for wrist pin noise!
This is a Roush Cobra Convertible, I will sell for $12,500, with a new top! Pictures avalible!
Posted on Apr 11, 2009
These engines are equipped with hydraulic lash adjusters designed to maintain zero lash at all times.
for 4 cyl...2.5 sohc
Non-adjustable Dry Lash 0.024-0.060 inch.
for v8,...5.2---These engines use hydraulic lifters. No provision for adjustment is provide
Posted on Jun 04, 2009
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