Ticking Type Noise Due to Warped Exhaust Manifold on Ford F-350

A ticking noise may develop from the engine due to a warped exhaust manifold. Damaged exhaust manifolds will require replacement to correct this issue.

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Average mileage: 180,000 (180,000–180,000)
Exhaust & Emissions affected: 7.5L V8
8 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997
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problem details
1990 Ford F-350 180,000 mi,
Both manifolds have cracked now.