How to replace the harmonic balancer on Chevrolet Cobalt?

The first step to replace the crankshaft balancer requires Drive Belt removal. The Harmonic Balancer holder (J 38122-A) should be used to stop crankshaft rotation during crankshaft balancer bolt removal. Replace and discard the old bolt. After removing the crankshaft balancer it is the next step. Install the new crankshaft balancer into position before tightening its bolt with the Harmonic Balancer holder (J 38122-A) in place. Follow the same procedure with the Harmonic Balancer holder (J 38122-A) to secure the crankshaft balancer during bolt tightening. Tighten the crankshaft balancer bolt to 100 nm torque (74 ft. Lbs) as well as an additional 125 degrees according to the readings from the angle meter (J 45059). Finally, reinstall the Drive Belt.

OEM Chevrolet Cobalt Harmonic Balancer

Engine Harmonic Balancer

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Chevrolet Cobalt Crankshaft Pulley
Part Number: 90537704
$135.77 MSRP: $233.18
You Save: $97.41 (42%)
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Product Specifications
- Other Name: Damper, Engine Crankshaft And Camshaft Balancer; Harmonic Balancer Puller; Harmonic Balancer; Vibration Damper; Crankshaft Damper; Pulley; Engine Crankshaft and Camshaft Balancer.
- Replaces: 12787628, 12623793
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2010 Chevrolet Cobalt | Base, LS, LT, LTZ, Sport, SS | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS
View related parts
Chevrolet Cobalt Crankshaft Pulley
Part Number: 12583151
$104.46 MSRP: $163.63
You Save: $59.17 (37%)
ADD TO CART
Product Specifications
- Other Name: Damper, Engine Crankshaft And Camshaft Balancer; Harmonic Balancer Puller; Harmonic Balancer; Vibration Damper; Crankshaft Balance Pulley; Engine Crankshaft and Camshaft Balancer.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Chevrolet Cobalt | SS | 4 Cyl 2.0 L GAS

Chevrolet Cobalt Harmonic Balancer

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Chevrolet Cobalt Harmonic Balancer Parts Questions & Experts Answers

Crankshaft Pulley
12583151
Q: How to replace the harmonic balancer on Chevrolet Cobalt?
A: The first step to replace the crankshaft balancer requires Drive Belt removal. The Harmonic Balancer holder (J 38122-A) should be used to stop crankshaft rotation during crankshaft balancer bolt removal. Replace and discard the old bolt. After removing the crankshaft balancer it is the next step. Install the new crankshaft balancer into position before tightening its bolt with the Harmonic Balancer holder (J 38122-A) in place. Follow the same procedure with the Harmonic Balancer holder (J 38122-A) to secure the crankshaft balancer during bolt tightening. Tighten the crankshaft balancer bolt to 100 nm torque (74 ft. Lbs) as well as an additional 125 degrees according to the readings from the angle meter (J 45059). Finally, reinstall the Drive Belt.