Ticking Noise When Cold Due to Broken Exhaust Manifold Studs on Nissan 300ZX

Problem Description and Possible Solution

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

Problem Data
RepairPal Verified
Average mileage: 150,000 (150,000–150,000)
7 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996
8 people reported this problem