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Mistereblack 07-29-2010 07:50 PM

"lifter tick? Suuuure"
K... 2002 jeep wj 4.0. had what was diagnosed as lifter tick so i replaced the lifters. None were seized. Noise still exists. The rocker arms and push rods looked good. No warping or abnormal wear that i could see. Help please! The noise is so annoying, it can't just be "lifter tick"

Marlin 07-29-2010 07:55 PM

Re: "lifter tick? Suuuure"
Without hearing it hard to say bro....
do these run chains for the cams?

Chaoul1 07-29-2010 07:57 PM

Re: "lifter tick? Suuuure"
I had this problem with my 04' Jeep 4.0L. When you start it, does it tick until it warms up? That's what mine would do. Make sure they are all Torqued to the correct specs!

Scottina06 07-29-2010 07:57 PM

Re: "lifter tick? Suuuure"
could be a leaking exhaust mani gasket...have you checked those?

If not the oiling holes may just be a little finicky. They sludge up too easilt with a thicker oil. Start at the recommended viscosity and go up 5w

mrchevy1 07-29-2010 08:01 PM

Re: "lifter tick? Suuuure"
Change the oil and put in some lucus oil. It helps I had a 5.9 1998 jeep and it had the same thing. I put in two lucus and change the oil and it went away.

Mistereblack 07-29-2010 08:02 PM

Re: "lifter tick? Suuuure"
The noise is too localized around the top of the valve cover. A nice clacking sound that matches the rpms. I understand it's hard to diagnose without hearing it. My dad and have no idea what's next...

Scottina06 07-29-2010 08:18 PM

Re: "lifter tick? Suuuure"
^^^^which is exactly what the exhaust mani's do...they are just below the valve covers

Chaoul1 07-29-2010 08:21 PM

Re: "lifter tick? Suuuure"
Check that, if not do the Oil Thing, if not Re-Check your Lifters.

Scottina06 07-29-2010 08:24 PM

Re: "lifter tick? Suuuure"
I wouldnt use a thick oil additive as it can sludge/block up the oiling holes

Marlin 07-29-2010 08:56 PM

Re: "lifter tick? Suuuure"
sounds increasingly like a manifold leak.

heehawbus 07-29-2010 11:44 PM

Re: "lifter tick? Suuuure"
my wj 4.7 does that, its the exhaust manifold, a bolt sheared of many years ago and the exhaust hella leaks when the engine is cold, and it ticks and matches rpm

Milous 07-30-2010 01:29 AM

Re: "lifter tick? Suuuure"

Originally Posted by Scottina06 (Post 244296)
I wouldnt use a thick oil additive as it can sludge/block up the oiling holes

Or in the case of the Lucas additive, FOAM!!!

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