Coolant Leak From Plug Behind Timing Cover on Nissan Quest

A coolant leak may develop from a plug on the front of the rear cylinder head, behind the timing cover.

RepairPal Verified
Average mileage: 95,375 (40,000–149,000)
Engines affected: 3.0L V6, 3.5L V6
5 model years affected: 1995, 1996, 1997, 1998, more2007
8 people reported this problem
5 people shared problem details
1996 Nissan Quest- 3.0L V675,000
leak behind timng cover but not water pump..... not fixed yet
6 people like thisFlag inappropiate
2007 Nissan Quest- 3.5L V640,000
Gets hot and the fan are working. Transmission jerks
1995 Nissan Quest- 3.0L V6149,000
My quest has a gas smerll coming in the vents, the first thing in the mprning. It also won^t start. The lights. radio all the rest works, The right side sliding door, slides shits by it self smashed a fingere twice. the magnect latch went through her finger. I have a coollant leak.also..
1998 Nissan Quest- 3.0L V6117,500
engine making noise while driving
1997 Nissan Quest- 3.0L V6
When I drive the nissan for a long distant and when I come to my destination the car makes a sound like the radiator fan just turns on and has to cool off the radiator even when the radiator has coolant in it. There are no leaks in the radiator or plastic container to put the coolant & water.
Related Items:
I have an oil leak dripping down onto my exhaust on the back of the block. Not sure where it i...
Transmission fluid leaks in winter cold night while the vehicle is parked.
Timing chain needs replaced, guide broke.
First the OSD Codes - Bank 1 sensor 2 - O2 sensor may be bad. Is there only 2 - oxygen sensors...
We have a used 2002 Quest with approx. 93000 miles on it, when is it time to replace timing bel...