strange tick-tick-tick? -
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post #1 of 7 Old 01-10-2007, 11:46 AM Thread Starter
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1993 XJ Cherokee 
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strange tick-tick-tick?

'93 4.0 is making some ticking (164,000 on it, use Mobil 1 10/30 ) - I'm assuming it is valve noise - what's strange is that it only does it when its cold, and the ticking starts only after it runs for a few minutes, and it only lasts for a couple minutes, then it sounds fine. my question is is this something to be overly concerned with? thank you!

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post #2 of 7 Old 01-10-2007, 11:48 AM
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Congrats! You've just come a member of the Cracked Manifold club!

Don't worry, most of us have been there.........

one word............... EBAY

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post #3 of 7 Old 01-10-2007, 12:26 PM Thread Starter
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1993 XJ Cherokee 
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yep, looking at other posts that has to be the prob - thanks for the diagnosis... how soon should I get this replaced, & should I put a stock replacement on or a header (not really looking for increased performance - besides gas mileage -would the header make a big difference? also, who should I buy from (EBay scares me -got burned once :-( \

thanks again!
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post #4 of 7 Old 01-10-2007, 12:26 PM
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1992 XJ Cherokee 
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Location: Vancouver BC Canada
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I don't have a cracked mannifold and mine was doing that too...i ran some seafoam and it cleaned out all teh deposits and now no ticks!

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post #5 of 7 Old 01-10-2007, 12:53 PM
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Mine just started clicking I have to fix some other things before I get to it. When I do I will get a good header maybe banks but haven't looked into it much so I can't recommend which one to get . I have A Toyota truck that has been known for cracking manifolds and it has had a header on it since I got it 6 years ago and no problems. I was told a long time ago that a leaking manifold will burn valves. But then someone said that a leaking manifold is not the cause for burning valves. I still think old school and would not put it off to long.


95 Cherokee SE 4.0, 5-Spd, 8.25;
6.5" Rusty's Lift, Atlas II Rims, 35x12.5x15 Wild Country,Rusty's Tube Bumper, Wilderness Rack
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post #6 of 7 Old 03-06-2008, 01:36 PM
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what did you add that seafoam to? i need to get rid of this noise and if that helps i'm going to have to do it.
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post #7 of 7 Old 03-06-2008, 02:40 PM
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I picked up a $6 can of Rislone at CKS and dumped er in the crank case. 30s later it stoped and its been quite for a month. Mine tick tick tick was just valve tap from a sticky lifter. Try that first before taring out the exause manifold.

1989 XJ, 5spd, np231 with bjconversion SYE , re3.5, 33x12.5r15 BFgoodrich ATS, D30 F, Dana 44 from 87 with 4.56s, Custom front bumper.

94 yj: stock everything and 4 angry squarrels under the hood.
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