Ticking Type Noise Due to Cracked Exhaust Manifold on Jeep Wrangler

A ticking type noise may be noted from the engine area due to an exhaust manifold that has cracked where the pipes are welded; cracked manifolds should be replaced.

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Average mileage: 130,000 (68,000–203,000)
Exhaust & Emissions affected: 4.0L 6 Cylinder
16 model years affected: 1991, 1992, 1993, 1994, more1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
38 people reported this problem
13 people shared problem details
I bought and replaced a few $300+ headers. The last one I bought was the OEM replacement with the integrated flex pipe. Cheapest and best so far!!!
2 people like thisFlag inappropiate
1993 Jeep Wrangler194,000
Replace with stainless steel exhaust manifold
1 person likes thisFlag inappropiate
2004 Jeep Wrangler89,000
Ticking noise upon acceleration or going up hill.
1 person likes thisFlag inappropiate
1998 Jeep Wrangler84,000
I have a ticking noise,exhaust manifold seems to have a crack in it ,have already replaced the catalic converter two years ago,I wonder if this is something that jeep would replace for free or am i just screwed,This seems like it shouldn`t happen to a vechical that is being pamperd.I had it from 1998 and drive it very little just now has 84,000 miles,Please help..
1 person likes thisFlag inappropiate
Tightened to max and welded !
2007 Jeep Wrangler90,000
New right side manifold. Now starting to leak again.
still have the ticking
I've had gaskets, cracked manifold replaced, new bolt kit to be installed with new manifold, why do these crack?
1998 Jeep Wrangler200,000
manifold leak
1998 Jeep Wrangler68,000
BUY AFTERMARKET STAINLESS STEEL VERSION, OEM IS THE SAME AS THE OLD ONE!
I have been dealing with problem for a while, I thought it was low oil or a lifter issue, it wasnt until I was on a forum that I figured it out along with the symptoms. The knocking on start up, quieting down once heated, bad gas mileage, drivability no what it use to be, it seems like the muffler or exhaust was louder in some way. I beleive this also lead to my throttle sensor issues, which inturn on highway speeds, engine would actually mis. Having issues fixed soon will update.
1999 Jeep Wrangler137,000
ss headers
1995 Jeep Wrangler140,000
replace it
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