A coolant leak may develop from a plug on the front of the rear cylinder head, behind the timing cover.Google+
Car Problem Reports
Nissan Quest Coolant Leak From Plug Behind Timing Cover
Nissan Quest Problem
Engine Affected: 3.0L V6
Average Mileage: 113,833 mi (75,000 mi - 149,000 mi)
Visitor, 1996 Nissan Quest, 3.0L V6, 75,000 mi
leak behind timng cover but not water pump..... not fixed yet
Visitor, 1995 Nissan Quest, 3.0L V6, 149,000 mi
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..
Visitor, 1998 Nissan Quest, 3.0L V6, 117,500 mi
engine making noise while driving
Visitor, 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.