Ticking Type Noise Due to Cracked Exhaust Manifold on Jeep Grand Cherokee

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: 150,600 (90,000–230,000)
Exhaust & Emissions affected: 4.0L 6 Cylinder
6 model years affected: 1993, 1994, 1995, 1996, more1997, 1998
13 people reported this problem
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problem details
1996 Jeep Grand Cherokee 165,000 mi,
Cracked exhaust manifold at one of the weld points.
1993 Jeep Grand Cherokee 137,000 mi,
I hear a ticking after start the car and while driving.
1993 Jeep Grand Cherokee 230,000 mi,
LOUD ENGINE TICKING JUST DOESNT RUN QUITE
Tick in exhaust manifold where weld appears to have cracked or split over the years. Problem not fixed.
cracked manifold, has to be replaced very time consuming and expensive over $1000