How to service and repair the harmonic balancer and crankshaft pulley on Mercury Grand Marquis?

In order to service the harmonic balancer and crankshaft pulley, disassemble engine cooling fan and shroud. Disattach accessory drive belt and crankshaft pulley bolt. Apply Crankshaft Vibration Damper Remover to pulley. Sealant application, pulley installation, and tightening of the bolt are done in four steps. Reinstall the belt and fan.

How to service and repair the harmonic balancer and crankshaft pulley on Mercury Mountaineer?

In order to service the harmonic balancer and crank shaft pulley, raise up the vehicle and take out the fan shroud and accessory drive belt. Hold onto the crankshaft pulley with a Strap Wrench and take off the torque-to-yield bolt. Install the new pulley using a Crankshaft Vibration Damper Installer and screwing the bolt in two steps. Install the shroud and the belt again.

OEM Mercury Harmonic Balancer

Engine Harmonic Balancer

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32 Harmonic Balancers found

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Mercury Crankshaft Pulley Part Number: 8L2Z-6B321-C
$167.17 MSRP: $243.33
You Save: $76.16 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
- Replaces: 2L2Z-6B321-AA, 3L2Z-6B321-AA, XL2Z-6B321-AA, 8L2Z-6B321-A, F77Z-6B321-AB, XL2Z-6312-BA, FOTZ-6B321-A
Fits the following Mercury Models:
- Mountaineer | 1998-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Crankshaft Pulley Part Number: 8T4Z-6312-A
$171.75 MSRP: $250.00
You Save: $78.25 (32%)
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Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
- Manufacturer Note: For Service Engines Built After July 2016 Use 8T4Z-6312-C & HL3Z-6A340-A (M10 X 90MM) Bolt
- Replaces: 7T4Z-6312-B
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Crankshaft Pulley Part Number: 4R3Z-6312-A
$85.76 MSRP: $124.83
You Save: $39.07 (32%)
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Pulley
- Replaces: 4R3Z-6312-BA, 8R3Z-6312-C
Fits the following Mercury Models:
- Mountaineer | 2005-2010 | Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Crankshaft Pulley Part Number: 8S7Z-6312-A
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Damper & Pulley; Pulley
Fits the following Mercury Models:
- Mariner | 2005-2008 | Base, Convenience, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
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Mercury Vibration Damper Part Number: E4TZ6316B
Product Specifications
- Other Name: Pulley With Vibration Damper; Harmonic Balancer; Damper; Pulley - With Vibration Damper
Fits the following Mercury Models:
- Grand Marquis | 1986 | Base, LS | 8 Cyl 5.8 L GAS
- Marquis | 1985-1986 | Base, Brougham | 6 Cyl 3.8 L GAS
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Mercury Crankshaft Pulley Part Number: F5RZ-6312-A
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Pulley
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base | 4 Cyl 2.0 L GAS
- Mystique | 1995-2000 | Base, GS, GS Spree, LS | 4 Cyl 2.0 L GAS
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Mercury Crankshaft Pulley Part Number: F67Z-6312-AA
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Serpentine Belt Drive Kit; Harmonic Balancer; Pulley
Fits the following Mercury Models:
- Mountaineer | 1997-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Vibration Damper Part Number: 2C5Z-6312-AA
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Serpentine Belt Drive Kit; Harmonic Balancer; Pulley
- Manufacturer Note: 4v (Maurader)
Fits the following Mercury Models:
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Crankshaft Pulley Part Number: 1F1Z-6A312-AA
Product Specifications
- Other Name: Pulley; Engine Crankshaft Pulley; Harmonic Balancer
- Replaces: F6DZ-6312-A
Fits the following Mercury Models:
- Sable | 1996-2005 | G, GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS
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Mercury Crankshaft Pulley Part Number: 2M5Z-6312-AA
Product Specifications
- Other Name: Pulley - Crankshaft; Engine Crankshaft Pulley; Harmonic Balancer; Vibration Damper; Crankshaft Damper
- Replaces: F7CZ-6316-BA
Fits the following Mercury Models:
- Tracer | 1991-1999 | Base, GS, LS, Trio | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS
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Mercury Pulley Part Number: D9ZZ-6A312-A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer
Fits the following Mercury Models:
- Capri | 1985-1986 | 5.0, RS | 8 Cyl 5.0 L GAS
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Mercury Vibration Damper Part Number: F23Z6316A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer
Fits the following Mercury Models:
- Topaz | 1992-1994 | GS, LS, LTS, Sport, XR5 | 6 Cyl 3.0 L GAS
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Mercury Crankshaft Pulley Part Number: F3XY6312A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer; Pulley
Fits the following Mercury Models:
- Villager | 1993-1995 | GS, LS, Nautica | 6 Cyl 3.0 L GAS
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Mercury Vibration Damper Part Number: F4DZ6B321A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer; Crankshaft Damper; Damper & Pulley; Pulley
Fits the following Mercury Models:
- Sable | 1989-1995 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury Crankshaft Pulley Part Number: F6PZ-6312-AA
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer
Fits the following Mercury Models:
- Topaz | 1992-1994 | GS, LS, LTS, Sport | 4 Cyl 2.3 L GAS
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Mercury Vibration Damper Part Number: F6ZZ-6B321-A
Product Specifications
- Other Name: Pulley - Crankshaft; Harmonic Balancer; Damper & Pulley
- Manufacturer Note: Incl. inner,outer pulleys & pulse ring
Fits the following Mercury Models:
- Cougar | 1996-1997 | XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS
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Mercury Vibration Damper Part Number: F7DZ-6316-AA
Product Specifications
- Other Name: Damper Assembly; Engine Harmonic Balancer; Crankshaft Damper; Damper; Harmonic Balancer
Fits the following Mercury Models:
- Sable | 1990-2005 | G, GS, LS, LS Premium, LTS | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Vibration Damper Part Number: FODZ-6316-A
Product Specifications
- Other Name: Pulley - With Vibration Dampener; Harmonic Balancer; Pulley - With Vibration Damper
Fits the following Mercury Models:
- Sable | 1990-1991 | GS, LS | 6 Cyl 3.0 L GAS
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Mercury Crankshaft Pulley Part Number: FODZ6A312A
Product Specifications
- Other Name: Pulley Assembly - Crankshaft; Harmonic Balancer; Pulley
Fits the following Mercury Models:
- Sable | 1990-1992 | GS, LS | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Topaz | 1992 | GS, LTS, Sport, XR5 | 6 Cyl 3.0 L GAS
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Mercury Vibration Damper Part Number: XF1Z-6316-AA
Product Specifications
- Other Name: Damper Assembly; Engine Harmonic Balancer; Harmonic Balancer
- Manufacturer Note: 24V
- Replaces: F6DZ-6316-BA
Fits the following Mercury Models:
- Sable | 1996-2005 | G, GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L GAS

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Mercury Harmonic Balancer Parts and Q&A

Crankshaft Pulley
1W7Z-6312-AA
Q: How to service and repair the harmonic balancer and crankshaft pulley on Mercury Grand Marquis?
A: In order to service the harmonic balancer and crankshaft pulley, disassemble engine cooling fan and shroud. Disattach accessory drive belt and crankshaft pulley bolt. Apply Crankshaft Vibration Damper Remover to pulley. Sealant application, pulley installation, and tightening of the bolt are done in four steps. Reinstall the belt and fan.
Crankshaft Pulley
4R3Z-6312-A
Q: How to service and repair the harmonic balancer and crankshaft pulley on Mercury Mountaineer?
A: In order to service the harmonic balancer and crank shaft pulley, raise up the vehicle and take out the fan shroud and accessory drive belt. Hold onto the crankshaft pulley with a Strap Wrench and take off the torque-to-yield bolt. Install the new pulley using a Crankshaft Vibration Damper Installer and screwing the bolt in two steps. Install the shroud and the belt again.