One problem related to manifold/header/muffler/tail pipe has been reported for the 2005 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Mercury Grand Marquis based on all problems reported for the 2005 Grand Marquis.
Tl the contact owns a 2005 Mercury Grand Marquis. While driving at an unknown speed, the plastic cover of the intake manifold fractured and leaked water all over the yard without warning. The dealer was not called. The manufacturer was made aware of the failure and informed the contact to call NHTSA. The failure was not repaired. The failure mileage was approximately 115,000.
| Engine And Engine Cooling problems | |
| Engine problems | |
| Engine Belts And Pulleys problems | |
| Engine Failure problems | |
| Manifold/header/muffler/tail Pipe problems | |
| Engine Knocking Noise problems |