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Unread 05-08-2010, 05:42 PM   #1
Registered User
1998 TJ Wrangler 
Join Date: Feb 2009
Location: McLean, VA
Posts: 612
2.5L Ticking

Just started today - I start it up and there is a ticking sound coming from what seems like the lower back of the engine or the transmission. The noise stops after the engine warms up too. My dad thinks it may be a bad lifter, but if that were the case I think it would be idling rough. Did a few searches and found what some people think is a loose exhaust manifold bolt or a piston about to blow. Any other ideas on what it could be?

The Stoked Jeep Build

Vice President - Low Output 4 Cylinder Jeep Club
'98 2.5L - RC 2.5 - 33's - Beach Cruiser

"Aerodynamics are for people who can't build engines" - Enzo Ferrari
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Unread 05-08-2010, 07:10 PM   #2
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1999 TJ Wrangler 
Join Date: Dec 2006
Location: Northern VA
Posts: 107
yeah mine ticks as well, sounds like a tractor when i first drive off. In my case it is a missing broken manifold stud. specifically the rear most one (closest to the fire wall). with it running i can feel the exhaust lightly puffing out there. hope this helps.
Oh No....a drug dealer is here!

Low Output 4 Cylinder Jeep Club #453
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Unread 05-08-2010, 07:14 PM   #3
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2004 TJ Wrangler 
Join Date: Jul 2008
Location: Middleburg, FL
Posts: 698
check and make sure all your bolts holding the exhaust manifold are there and tight. i had the same issue and it was the very last bolt holding the exhaust manifold on, it busted off and was leaking.
My OLD build thread:http://www.jeepforum.com/forum/f22/0...roject-935798/

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