Ticking Noise When Cold Due to Broken Exhaust Manifold Studs on Nissan Pickup (D21)

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.

RepairPal Verified
Average mileage: 124,069 (215–232,500)
7 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996
13 people reported this problem
5 people shared problem details
Exhaust manifold cracked along with the ex. man. studs breaking. Head seems to have been machined unevenly.
exhust manifold cracked broken studs
I've wondered where the ticking sound came from. I only hear it when the engine is cold.
a ticking noise at engine mostly on passenger side
loud ticking from the engine... most likely a hole in the manifold. only at idol is when you hear the loud "clapping"
Related Items:
how do i change the exhaust manifold
Replaced cracked manifold and it cracked again after 1 month.
I need to replace my intake manifold gasket and was told all i had to do was take off some bolt...
Whenever I barely push the gas and push it to the floor, the truck runs fine. Anywhere between...
the exhaust pipe snapped off 8 inches from the manifold and i need to get it fixed ASAP

Related Content