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

The engine cooling fan motor and shroud need to be deleted as the first step before servicing or repairing the harmonic balancer and crankshaft pulley. Follow these steps to remove the accessory drive belt from the tensioner as you rotate its mechanism clockwise. Then uninstall the crankshaft pulley bolt. The Crankshaft Vibration Damper Remover should be used to disconnect the crankshaft pulley. Use silicone sealant on the Woodruff key slot of the crankshaft pulley before installation and complete the procedure within 4 minutes of applying the silicone. The installation of the crankshaft pulley requires a Crankshaft Vibration Damper Installer which should be used along with a Strap Wrench for holding the pulley in position. The bolt installation process starts with tightening it to 120 Nm (89 lb-ft) and follows with a full turn relaxation then continuing to 50 Nm (37 lb-ft) until achieving an additional 90 degrees of torque. The first step after rotation of the tensioner is to reattach the accessory drive belt before reinstalling the engine cooling fan motor and shroud.

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

Service and repair operations on the harmonic balancer along with the crankshaft pulley begin by installing the vehicle onto a hoist set in neutral. The maintenance work starts by taking off both fan shroud and accessory drive belt. Because the crankshaft pulley bolt features torque-to-yield design you should use a strap wrench to hold the crankshaft pulley when removing the bolt but it cannot be reused. The tool will encounter bottoming-out damage to the pulley without a pulley bolt installed. Therefore, install the crankshaft pulley bolt with 2 to 3 turns of rotation. The crankshaft pulley extraction requires two crankshaft vibration damper removers and two 8-mm bolts to complete the procedure along with the discarding of the crankshaft pulley bolt. The crankshaft vibration damper installer will be used for correctly installing the new crankshaft pulley. The strap wrench should maintain its grip on the crankshaft pulley as you install fresh bolts which require the first application of torque at 55 Nm (41 lb-ft) before proceeding with an 85-degree tightening. The last task involves installing both the accessory drive belt and the fan shroud after completion.

OEM Mercury Harmonic Balancer

Engine Harmonic Balancer

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

32 Harmonic Balancers found

View related parts
Mercury Crankshaft Pulley Part Number: 8L2Z-6B321-C
$167.17 MSRP: $243.33
You Save: $76.16 (32%)
Ships in 1 Business Day
ADD TO CART
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
View related parts
Mercury Crankshaft Pulley Part Number: 8T4Z-6312-A
$255.38 MSRP: $375.00
You Save: $119.62 (32%)
ADD TO CART
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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
View related parts
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

| Page 1 of 2 |Next >

1-20 of 32 Results

Mercury Harmonic Balancer

If you own Mercury and want to keep it in top shape, choosing OEM Harmonic Balancer is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Harmonic Balancer at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Mercury Harmonic Balancer helps put crankshaft vibration in check so that engines run smoothly and secure essential rotating components. Introduced in 1938, Mercury manufactured midsize vehicles with crisp bodies and cabins hushed enough to chat on the highway. The title of its Roman courier guaranteed speed, whereas the soft suspensions in practice caused it without breaking bones. There were showrooms lined with Cougars and Grand Marquis which proved that realistic prices could mingle with comfort and style. In several decades, Mercury incorporated power windows, improved sound deadening, and comfortable seats but it never compromised on that relaxed ride. Although manufacturing was terminated in 2011, Mercury continues to evoke memories of accessible elegance in many of its owners. The Harmonic Balancer is attached to the crankshaft with a steel hub and inertia ring, which is made of rubber and is shielded with an inertia ring to absorb this torsional whip each firing stroke. To keep the high revs civil, performance trims of the Harmonic Balancer replace viscous fluid with multi-piece rings. The Harmonic Balancer protects belts by killing shake before it gets a chance to climb the drive line and it keeps timing marks straight. A worn Harmonic Balancer is changed by drivers, who recognize that a crack oozing over the miles can destroy bearings in a few miles, not years. With this, the Mercury engines last far beyond six figures on the odometer.

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:
The engine cooling fan motor and shroud need to be deleted as the first step before servicing or repairing the harmonic balancer and crankshaft pulley. Follow these steps to remove the accessory drive belt from the tensioner as you rotate its mechanism clockwise. Then uninstall the crankshaft pulley bolt. The Crankshaft Vibration Damper Remover should be used to disconnect the crankshaft pulley. Use silicone sealant on the Woodruff key slot of the crankshaft pulley before installation and complete the procedure within 4 minutes of applying the silicone. The installation of the crankshaft pulley requires a Crankshaft Vibration Damper Installer which should be used along with a Strap Wrench for holding the pulley in position. The bolt installation process starts with tightening it to 120 Nm (89 lb-ft) and follows with a full turn relaxation then continuing to 50 Nm (37 lb-ft) until achieving an additional 90 degrees of torque. The first step after rotation of the tensioner is to reattach the accessory drive belt before reinstalling the engine cooling fan motor and shroud.
Crankshaft Pulley
4R3Z-6312-A
Q: How to service and repair the harmonic balancer and crankshaft pulley on Mercury Mountaineer?
A:
Service and repair operations on the harmonic balancer along with the crankshaft pulley begin by installing the vehicle onto a hoist set in neutral. The maintenance work starts by taking off both fan shroud and accessory drive belt. Because the crankshaft pulley bolt features torque-to-yield design you should use a strap wrench to hold the crankshaft pulley when removing the bolt but it cannot be reused. The tool will encounter bottoming-out damage to the pulley without a pulley bolt installed. Therefore, install the crankshaft pulley bolt with 2 to 3 turns of rotation. The crankshaft pulley extraction requires two crankshaft vibration damper removers and two 8-mm bolts to complete the procedure along with the discarding of the crankshaft pulley bolt. The crankshaft vibration damper installer will be used for correctly installing the new crankshaft pulley. The strap wrench should maintain its grip on the crankshaft pulley as you install fresh bolts which require the first application of torque at 55 Nm (41 lb-ft) before proceeding with an 85-degree tightening. The last task involves installing both the accessory drive belt and the fan shroud after completion.