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Unread 11-18-2009, 09:26 AM   #1
jakes98
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1998 TJ Wrangler 
 
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2.5 with ticking noise

my 98 has 107,000 on its 2.5 4cyl. Had this ticking noise start the other day outa the blue, sounds like its coming from under the valve cover and ticks all the time whether engine is cold or warm. the sound speed up as u accelarate. i put synthectic oil in it and no help. anyone got any suggestions.

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Unread 11-18-2009, 10:18 AM   #2
Racincowboy
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I would put my money on a loose rocker arm. Have you run the valves?
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Unread 11-18-2009, 10:35 AM   #3
jakes98
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i took the valve cover off and everything seemed to be tight and the springs looked good
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Unread 11-18-2009, 01:54 PM   #4
Racincowboy
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Did you actually use feeler gauges and check the distance between the valve and rocker. It could also be a bad lifter. That is what I would venture without hearing it.
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Unread 11-18-2009, 02:05 PM   #5
jakes98
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that seems to be what everyone i ask thinks so i went and bought lifters today...let ya know tommorow if i wasted 50 bucks or not..thnks guys
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Unread 11-18-2009, 02:06 PM   #6
mdm
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Quote:
Originally Posted by Racincowboy View Post
Did you actually use feeler gauges and check the distance between the valve and rocker. It could also be a bad lifter. That is what I would venture without hearing it.
With hydraulic lifters how much gap would you say is acceptable?

Jake - how loud is it?
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Unread 11-18-2009, 02:07 PM   #7
brucem
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I would say you wasted about $44, CRAFTSMAN
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Unread 11-18-2009, 02:13 PM   #8
mdm
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Originally Posted by brucem View Post
I would say you wasted about $44, CRAFTSMAN
Where would you suggest he find the acceptable gap range?
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Unread 11-18-2009, 05:21 PM   #9
jakes98
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its pretty loud i mean very noticable..did not put lifters in talk to a mechanic he couldnt pin point promblem but said if it wasnt skipping or missing he didnt think it was a lifter and he third one to tell me that...bruce only thing u said was that i waisted 44$ what would you say it is
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Unread 11-18-2009, 06:41 PM   #10
greggus
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My 97 2.5 has a ticking everytime I start it, but it only lasts about 1 minute or so and them stops- how long is the ticking lasting?
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Unread 11-18-2009, 07:05 PM   #11
brucem
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Quote:
Originally Posted by jakes98 View Post
its pretty loud i mean very noticable..did not put lifters in talk to a mechanic he couldnt pin point promblem but said if it wasnt skipping or missing he didnt think it was a lifter and he third one to tell me that...bruce only thing u said was that i waisted 44$ what would you say it is

I said you wasted 44 because you over paid for feeler gauges, the link shows a set of craftsmen for much less.

Take take the valve cover off and start it up, if it is in the top end won't be hard to hear/spot which valve or lifter is noisy.
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Unread 11-18-2009, 08:28 PM   #12
GreenZZ
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Quote:
Originally Posted by brucem View Post
I said you wasted 44 because you over paid for feeler gauges, the link shows a set of craftsmen for much less.

Take take the valve cover off and start it up, if it is in the top end won't be hard to hear/spot which valve or lifter is noisy.
I think he bought lifters not the feeler gauge.
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Unread 11-18-2009, 08:54 PM   #13
mall0y
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Have you checked your exhaust manifold bolts? Mine have worked themselves loose several times (even lost 2 once).

When they become loose, I would get a light ticking on start-up which would go away once the engine was warm. As soon as I heard it I would pop the hood, crank the loose ones down (usually the two closest to the firewall) and I'd be good for another 2 months.
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Unread 11-18-2009, 09:12 PM   #14
jakes98
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it ticks constantly even after driving for a while and letting temp. get up but havent lost any oil pressure
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Unread 11-19-2009, 12:21 AM   #15
2000jeeper
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Hydrualic lifters dont have a gap at the rocker arm once they are pumped up. Only mechanicals have a gap
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