Ticking Noise Due to Broken Exhaust Manifold Studs on Jeep Wrangler

The outer exhaust manifold studs can break and cause exhaust leaks, commonly noted as a ticking type noise. The outer studs, clamps, and nuts will need to be replaced and are now being tightened to a reduced torque value (20 Nm/180 in lbs).

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Average mileage: 96,733 (45,000–140,000)
Exhaust & Emissions affected: 2.5L 4 Cylinder
6 model years affected: 1990, 1991, 1992, 1993, more1994, 1995
12 people reported this problem
3 people shared problem details
Start making exhaust leaking noise when cold, goes away when warm. Back stud broken off.
1995 Jeep Wrangler105,200
Front two bolts were gone. Will try to replace them
1990 Jeep Wrangler45,000
yup actually i own a 1988 jeep wrangler and have had the issue for many years
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