How to Maintain and Fix a Harmonic Balancer and Crankshaft Pulley on 2003 Jeep Wrangler?

To service the harmonic balancer and crankshaft pulley, remove the accessory drive belts and crankshaft damper bolt. Use Special Tool 3-Jaw Puller 1026 to remove the damper. Install it with an M12 bolt, washer, thrust bearing, and nut, then tighten the damper bolt to 142 Nm and reinstall the belts.

OEM 2003 Jeep Wrangler Harmonic Balancer

Engine Harmonic Balancer

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2 Harmonic Balancers found

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2003 Jeep Wrangler Vibration Damper Part Number: 53010477AB
Product Specifications
- Other Name: Damper - Crankshaft; Harmonic Balancer Puller; Harmonic Balancer; Crankshaft Damper; Pulley; Damper Crankshaft
- Item Weight: 6.30 Pounds
- Item Dimensions: 13.0 x 12.6 x 6.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53010477AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Jeep Wrangler Submodels:
- SE | 4 Cyl 2.4 L GAS
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2003 Jeep Wrangler Vibration Damper Part Number: 33002920AC
Product Specifications
- Other Name: Damper - Crankshaft; Harmonic Balancer Puller; Harmonic Balancer; Crankshaft Damper; Damper Crankshaft
- Replaces: 33002920AB
- Item Weight: 8.70 Pounds
- Item Dimensions: 4.0 x 8.3 x 8.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 33002920AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Jeep Wrangler Submodels:
- 65th Anniversary Edition, Rubicon, SE, Sahara, Sport, Unlimited, Unlimited Rubicon, X | 4.0L V6, 6 Cyl 4.0 L GAS

2003 Jeep Wrangler Harmonic Balancer Parts and Q&A

Q: How to Maintain and Fix a Harmonic Balancer and Crankshaft Pulley on 2003 Jeep Wrangler?
A: To service the harmonic balancer and crankshaft pulley, remove the accessory drive belts and crankshaft damper bolt. Use Special Tool 3-Jaw Puller 1026 to remove the damper. Install it with an M12 bolt, washer, thrust bearing, and nut, then tighten the damper bolt to 142 Nm and reinstall the belts.