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Old 06-21-2009, 03:56 PM   #1 (permalink)
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valves clicking

I have a 04 Tj 4.0 with about 65K the valves are ticking slightly, I was going to pull the valve cover off in the next few days is their anything i should look for?
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Old 06-21-2009, 07:17 PM   #2 (permalink)
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Originally Posted by jeep jake View Post
I have a 04 Tj 4.0 with about 65K the valves are ticking slightly, I was going to pull the valve cover off in the next few days is their anything i should look for?
Solution - get used to what a Jeep engine sounds like.
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Old 06-21-2009, 09:02 PM   #3 (permalink)
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yeah I know what it sounds like and now it sounds different, thanks for the help.
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Old 08-01-2009, 12:23 PM   #4 (permalink)
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ya go pick up a chiltons manual or something comparable, you might be able to find the information you need on the internet.

What you need to look for is loose rocker bolts. The ticking noise you hear is probably caused by the rocker slapping on the valve or the rocker arm.

I helped my friend fix a tick in his 1994 chevy 2500 with a 350 and what we did is just pull the cover, start the motor, listen to it to figure out which one is ticking (putting your hand over one rocker at a time and listening for a change in sound helps), then we just slowly tightened it until there was no more ticking. Once there as no more ticking i think we did about another 1/8 turn or so.

not that hard of a fix just takes some time. good luck.
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Old 08-01-2009, 09:24 PM   #5 (permalink)
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Since jeep lifters (4.2's and 4.0's specifically) are not adjustable like your friends chevy... it is a hell of alot easier. Take the valve cover off, and go down the row of lifters. I normally torque em to 30lbs with a drop of blue loctite on the em.
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