Car Problem Reports

Nissan Pickup (D21) Exhaust Manifold Can Warp and Cause the Studs to Break Off

 
Nissan Pickup (D21) Problem
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995

Average Mileage: 148,840 mi (90,000 mi - 232,500 mi)

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The exhaust manifold on the 3.0 liter engine often warps and cracks, breaking off the studs between the cylinder head and the exhaust manifold.   The noise may be most noticeable when the engine is cold.

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