Mercury Grand Marquis 1977-2011
Model Grand Marquis made by Mercury got 12 consumer complains as well as 33 service bulletins. Consumer complaints with reference, among others things, to electrical system and engine and engine cooling. Technical service bulletines regarding air bags and electrical system.
Car model
Model 9999
Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| AIR BAGS | |||||
| BC5227961001 | 10/01/1996 | 50502 | Information for air bag dtc b1813 observe the air bag lamp flash out code & perform the appropriate pinpoint test for the flash out code. *tt | 04/24/1997 | |
| ELECTRICAL SYSTEM | |||||
| BC5207961001 | 10/01/1996 | 50483 | Information for servicing the electronic/hydraulic control unit (ehcu) on 4wabs. *tt | 04/24/1997 | |
| ELECTRICAL SYSTEM - IGNITION | |||||
| BC5204961001 | 10/01/1996 | 50480 | Concerns of check engine light (mil) w/codes p0300 thru p0308 & engine runs rough/misses may be due to a spark plug wire boot that is not fully seated on the spark plug. *tt | 04/24/1997 | |
| ENGINE AND ENGINE COOLING - ENGINE | |||||
| BC5173961001 | 10/01/1996 | 50452 | On various 4.0l applications the oil indicator tube (dip stick) is coming into contact w/ the crankshaft. *tt | 04/24/1997 | |
| ENGINE AND ENGINE COOLING - ENGINE - GASOLINE | |||||
| 15791 | 04/01/2002 | 637484 | Subject regarding ford cylinder head kits for 4.6l romeo engines available for order for 2000 - 2001 models. *tt | 11/26/2002 | |
| BC5181961001 | 10/01/1996 | 50459 | Engine oil leak at the oil pan, front cover &/or the front & rear crankshaft oil seal. *tt | 04/24/1997 | |
| BC5182961001 | 10/01/1996 | 50460 | Information on correcting an oil pan gasket leak. *tt | 04/24/1997 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM | |||||
| BC9668961001 | 10/01/1996 | 50529 | Concern for vehicles exhibiting lean codes p0171 & p0174 (vacuum leak). *tt | 05/27/1997 | |
| BC9671961001 | 10/01/1996 | 50531 | Push connection between the flexible fuel vapor line at the carbon canister & the metal fuel vapor line may not seat fully on the fuel vapor line. *tt | 05/27/1997 | |
| EQUIPMENT - ELECTRICAL - AIR CONDITIONER | |||||
| BC5175961001 | 10/01/1996 | 50454 | Concerns of a/c going to defrost mode when climbing grades or accelerating are likely caused by vacuum leaks. *tt | 04/24/1997 | |
| EQUIPMENT - MECHANICAL - WRECKER AND WHEEL LIFT DEVICES | |||||
| 5229 | 12/01/1998 | 615348 | Subject regarding transaxle /transmission / transfer case - vehicles towed behind recreational vehicles - recommended guidelines. *tt | 01/13/2001 | |
| EXTERIOR LIGHTING - HEADLIGHTS | |||||
| 15789 | 04/01/2002 | 637481 | Subject regarding headlamp flicker for certain 1995 - 1999 models. *tt | 11/26/2002 | |
| FUEL SYSTEM, GASOLINE - CARBURETOR SYSTEM | |||||
| BC9676961001 | 10/01/1996 | 50536 | Improper rtv application at the front/rear lower intake manifold end seals & side gaskets may cause an oil/coolant leak. *tt | 05/27/1997 | |
| FUEL SYSTEM, GASOLINE - DELIVERY - FUEL PUMP | |||||
| BC4651961001 | 10/01/1996 | 50443 | Vehicle may not start after being parked in below freezing temps. may be due to moisture freezing in the fuel pump relay contained within the ccrm (constant control relay module). *tt | 04/24/1997 | |
| BC5176961001 | 10/01/1996 | 50455 | Connection between the sender (9a299) & the fuel pump (9350) changed from the existing spade terminal to an eyelet terminal which is secured under the top sender mount screw. *tt | 04/24/1997 | |
| PARKING BRAKE - CONVENTIONAL | |||||
| BC9672961001 | 10/01/1996 | 50532 | Procedure for brake warning indicator stays on red in cluster. *tt | 05/27/1997 | |
| POWER TRAIN - AXLE ASSEMBLY | |||||
| BC9674961001 | 10/01/1996 | 50534 | Light to moderate axle noise (axle whine) at 50 to 65 mph (80 to 105 kph) during accels, decels or cruise may be due to axle noise being transmitted from the axle into the vehicle. *tt | 05/27/1997 | |
| POWER TRAIN - MANUAL TRANSMISSION | |||||
| BC9694961001 | 10/01/1996 | 50552 | Information on vehicles that may exhibit a slight delay in the first drive away after the vehicle has been parked overnight, or for a longer period of time. *tt | 05/27/1997 | |
| BC9685961001 | 10/01/1996 | 50543 | Parts information for replacing the main control. *tt | 05/27/1997 | |
| BC4854961001 | 10/01/1996 | 50444 | Revised eec calibration has been incorporated in pcm calibration for vehicles which display lack of power due to torque converter engagement scheduling, catalytic converter failures, rough idle or hard start on hot restart. *tt | 04/24/1997 | |
| BC5217961001 | 10/01/1996 | 50492 | Information on replaced/repaired manual transmission under warranty and returned w/ signs of improper/lack of maintenance or misdiagnosis. *tt | 04/24/1997 | |
| SERVICE BRAKES, HYDRAULIC - ANTILOCK - CONTROL UNIT/MODULE | |||||
| BC5224961001 | 10/01/1996 | 50499 | Information on abs sensors returned for analysis are identified as 'no problem found'. *tt | 04/24/1997 | |
| SERVICE BRAKES, HYDRAULIC - FOUNDATION COMPONENTS - DISC - ROTOR | |||||
| BC0718961021 | 10/21/1996 | 50382 | Information on brake rotor turning/replacing. *tt | 04/24/1997 | |
| SERVICE BRAKES, HYDRAULIC - FOUNDATION COMPONENTS - DRUM - SHOES/LININGS | |||||
| BC5209961001 | 10/01/1996 | 50484 | Revised rear brake lining for both 9 inch & 10 inch applications for concerns w/ rear brake grab during the first few brake applications when the brakes are cold or in the morning after an overnight rain. *tt | 04/24/1997 | |
| SERVICE BRAKES, HYDRAULIC - SWITCHES - BRAKE LIGHT | |||||
| BC9673961001 | 10/01/1996 | 50533 | Procedure for brake exterior lights stay on (tail & high mount stop light). *tt | 05/27/1997 | |
| STEERING - WHEEL AND HANDLE BAR | |||||
| BC9682961001 | 10/01/1996 | 50541 | Concerns for the labor time standard in tbs 96-19-02 (steering - grunt noise during steering wheel return from full right turn) is incorrect. *tt | 05/27/1997 | |
| STRUCTURE - BODY - DOOR | |||||
| BC1031797020 | 02/01/1997 | 51775 | Woodgrain trim used for the power seat controls on the grand marquis door trim panels is not identified properly in the service parts catalog. *jd | 07/17/1997 | |
| BC5174961001 | 10/01/1996 | 50453 | Information to diagnose wind noise & water leaks at the lower passenger door area & 3rd door. *tt | 04/24/1997 | |
| BC5075961001 | 10/01/1996 | 50445 | Information on erratic or self locking door locks. *tt | 04/24/1997 | |
| STRUCTURE - BODY - HOOD | |||||
| BC5214961001 | 10/01/1996 | 50489 | Revised hood seal for concerns of a wind whistle at speeds over 35 mph. *tt | 04/24/1997 | |
| SUSPENSION - REAR - SHOCK ABSORBER | |||||
| BC5198961001 | 10/01/1996 | 50475 | Improved rear shock absorbers for customers who may experience a low tone rattling noise or whoosh sound from the rear of the vehicle while traveling less than 25 mph & going over small to moderate bumps. *tt | 04/24/1997 | |
| VEHICLE SPEED CONTROL - CRUISE CONTROL | |||||
| BC5186961001 | 10/01/1996 | 50464 | Vehicles may experience an intermittent high idle after decel to a stop, when clutch pedal is depressed w/ no throttle movement. *tt | 04/24/1997 | |
| VISIBILITY - POWER WINDOW DEVICES AND CONTROLS | |||||
| BC9680961001 | 10/01/1996 | 50540 | Concern where the door glass drops when cycled down on vehicles with the power door option. *tt | 05/27/1997 | |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| ELECTRICAL SYSTEM - IGNITION - SWITCH | |||
| 07/10/1995 | |||
| Electrical short or shock in the ignition switch, causing the vehicle to catch fire. *ak | |||
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CATALYTIC CONVERTOR | |||
| 1 | |||
| Consumer states catalytic converter failed and had to be replaced. *tt | |||
| FUEL SYSTEM, GASOLINE - STORAGE - AUXILLARY TANK - SELECTOR DEVICES | |||
| Consumer believes that the design of the inertia switch being in the truck of the vehicle is dangerous if involved in carjacking situation because consumer has to get out of the vehicle to turn the switch back on. nlm | |||
| POWER TRAIN - MANUAL TRANSMISSION | |||
| 1 | |||
| Consumer states the transmission performs erratically at 40-50 mph. *tt | |||
| SEATS - FRONT ASSEMBLY - HEAD RESTRAINT | |||
| 06/01/2001 | 10/01/2000 | ||
| The head rest deoesn't go high enough to protect neck and head in case of accident. the dealer said that there was no other head rest available. *yh | |||
| SERVICE BRAKES, HYDRAULIC - FOUNDATION COMPONENTS | |||
| 05/25/2000 | 1 | 05/01/1998 | |
| Gas pedal seemed somewhat wobbly, while foot on the brake, totalled stopped, stepped on the gas pedal to go into the garage and it was then the car shot forward and switched to the foot brake it was too late and the car crashed into the back wall of the garage. | |||
| STEERING | |||
| 1 | |||
| Consumer hears an intermittent grinding noise while turning of coming out of a turn, dealer has been unable to find the problem. nlm | |||
| SUSPENSION - FRONT | |||
| 1 | |||
| Consumer is having problems with front suspension noise, possibly causing noise and abnormal feel in tire. dealer stated hypodermic needle could cure the problem however, consumer had problems with scheduling. consumer found local tire merchant who did the injection. the noise in the front end is quieter but not all gone. *tt | |||
| TIRES | |||
| 1 | |||
| While proceeding around a ramp, the vehicle suddenly skidded on wet pavement and produced an inability to control its movement, and side swiped the passenger side against the guardrail, possible tire problems.*jb | |||
| 03/20/2001 | 1 | ||
| Consumer was traveling 75mph and right rear tire blewout without warning. consumer had total control of vehicle. tire size p215/70r15, firestone ft70 with 86,000 miles. consumer attempted to get tire changed at a firestone dealer, but it was closing. consumer purchased b.f. goodwrich tires instead.*ak consumer also states left rear tire is showing signs of cracking, firestone stated they might replace the right rear tire that had blown out, but they statey they were not going to replace the left rear tire since it was not blown out, consumer then left firestone and contacted the customer service dept who then instructed him to send the blown tire to them.*jb | |||