In dec of 1999 an exhaust leak started. Costs $650 to repair since manifolds warp and break bolts off in engine block. The bolts then have to be bored out and the holes in the engine have to be retapped for threads. He said it was surprizing that both sides weren't bad because pathfinders where "known" for this failure and he said that even though it looked look at that time, I should expect it to fail anyway someday because they all do. About 1-year later, that other manifold did fail in the exact same way and it cost me $600+ at another shop to get that one replaced and retapped after drilling out broken bolts. The mechanic at that shop said that he was surprised both sides weren't bad since all pathfinders have this same problem and I explained that it had already been replaced. Why isn't nissan being held responsible for this???
1994 Nissan Pathfinder engine complaints
Page 2 of 2: complaints 11 to 35 of 35, newest first, as owners wrote them.
According to the deal this is a " known issue " for pathfinders and this is the second time it has happened to me. I have noticed on the internet alot of references to this problem, infact I got this web address from the nissan website. No safety defect listed in summary.
Had to replace both left & right side exhaust manifold because a design flaw caused the studs to start breaking off.
Exhaust manifold studs are broken from fatigue on both left and right sides of the engine, possible engineering/design defect.
Exhaust manifold (passinger side) cracked due to fatigue. Please provide further details.*ak blower noise in A/C since the begining.
I would like the manufacturer and the dealers to take these problems seriously. No safety defect listed in the summary.
Exhaust manifold failed twice once in december 1998 and in march 2000 due to bolts breaking off which were too small and narrow,and then warped the exhaust manifold.
Engine intermittently stalled while traveling at highway speed of 60 MPH. Vehicle towed to dealer who informed consumer that the engine overheated and burned up.
1) speedometer/odometer broken @ 72500 miles. 2) exhaust studs broken, tech bulletin out (#94041) but dealer wouldn't fix it.
Have found numerous complaints on the internet with this same problem. Nissan does not acknowledge design defect. No safety defect listed in the summary.
Right rear exhaust manifold studs failed.
Cracked exhaust manifold and broken manifold studs caused noise and occasional exhaust smell in passenger compartment (when on fresh air vent). Broken manifold studs are a known defect with a tsb in effect (over 10% of all complaints registered in the customer complaint database relate to this issue). Only because I had purchased a nissan extended warranty four years ago was most of the repair cost covered, however, I was still required to pay the deductable. I don't feel any out-of-pocket expense should be incurred for an obviously prevalant defect or engineering design flaw.
Common exhaust manifold bolt failure problem/ gov't help needed for customers.
When driving and turning on the fresh air, exhaust system causes fumes and vapor smells to get into vehicle from the engine compartment. Exhaust manifold had to be replaced.
No summary
Exhaust manifold bolts failed.
Vehicle just die when running on the road.
Intermittently while driving the vehicle will idle high and low. Then without any warning the car will cut off in the middle of traffic. Dealer and manufacturer have been notified.
Exhaust manifold studs are broken from fatigue on both left and right sides of the engine, possible engineering/design defect.
Passenger side manifold studs failed at 59000 miles covered by powertrain warranty. Driver side studs failed at 63000 miles will not be covered by warranty. Nissan is aware of defect and has issued a tsb, yet fail to admit it is an engineering flaw and will not issue a recall.
Vehicle stalls and stops running without warning or indication, high speeds on the highway and slow speeds in neighborhood, dealer contacted seven times and cannot duplicate the problem.
Engine runs normal with a slight ticking noise on the passenger side, especially during acceleration. Possibly the exhaust system.
Exhaust manifold bolts failed.
Vehicle would not go over 45 MPH.
Vehicle would not start due to spark plug failure.
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