How to Service and Repair a Tail Pipe and Muffler with a Fire Suppression System on Mercury Grand Marquis?

The muffler and tailpipe are easily fixed by placing the vehicle in neutral on a hoist and de-energizing the fire suppression system. Disassemble the rear suspension, muffler and tailpipe assembly, inspect isolators, etc. Assemble and screw back all parts to requirements, and replace the suspension parts. Restart fire suppression system, where necessary.

How to service and repair the muffler and tailpipe on Mercury Grand Marquis?

In order to fix the muffler and tailpipe, disengage the air suspension system and place the car in neutral. Take the clamp off, and cut the muffler off the tailpipe, and check the insulator. change where necessary, and remove tailpipe. Use new fasteners, screw them on alternate and then unscrew using the same procedure. Use no oil based lubricants on insulators.

OEM Mercury Grand Marquis Muffler

Exhaust Muffler

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4 Mufflers found

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Mercury Grand Marquis Muffler, Front Driver Side Part Number: 6W7Z-5230-BC
Product Specifications
- Other Name: Muffler Assembly - Front; Exhaust Muffler, Left; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Muffler
- Position: Front Driver Side
- Replaces: 4W7Z-5230-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Muffler, Front Passenger Side Part Number: 6W7Z-5230-BB
Product Specifications
- Other Name: Muffler Assembly - Front; Exhaust Muffler, Right; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Muffler
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Muffler, Front Driver Side Part Number: 6W7Z-5230-BD
Product Specifications
- Other Name: Muffler Assembly - Front; Exhaust Muffler, Left; Direct-Fit Exhaust; Exhaust System Kit
- Position: Front Driver Side
- Replaces: 4W7Z-5230-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Muffler, Rear Passenger Side Part Number: 6W7Z-5230-BA
Product Specifications
- Other Name: Muffler Assembly - Centre And Rear; Exhaust Muffler, Right
- Position: Rear Passenger Side
- Replaces: 4W7Z-5230-DA, 5W7Z-5230-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

Mercury Grand Marquis Muffler

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Mercury Grand Marquis Muffler Parts and Q&A

Muffler, Rear Passenger Side
6W7Z-5230-BA
Q: How to Service and Repair a Tail Pipe and Muffler with a Fire Suppression System on Mercury Grand Marquis?
A: The muffler and tailpipe are easily fixed by placing the vehicle in neutral on a hoist and de-energizing the fire suppression system. Disassemble the rear suspension, muffler and tailpipe assembly, inspect isolators, etc. Assemble and screw back all parts to requirements, and replace the suspension parts. Restart fire suppression system, where necessary.
Muffler, Front Passenger Side
6W7Z-5230-BB
Q: How to service and repair the muffler and tailpipe on Mercury Grand Marquis?
A: In order to fix the muffler and tailpipe, disengage the Air Suspension system and place the car in neutral. Take the clamp off, and cut the muffler off the tailpipe, and check the insulator. change where necessary, and remove tailpipe. Use new fasteners, screw them on alternate and then unscrew using the same procedure. Use no oil based lubricants on insulators.