Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013LACROSSE FWD L4-2.4LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER BLOCK ASSEMBLYHARMONIC BALANCER - CRANKSHAFT PULLEYSERVICE AND REPAIR
2013 Buick LaCrosse FWD L4-2.4L
Harmonic Balancer - Crankshaft Pulley: Service and Repair
2013 Buick LaCrosse FWD L4-2.4LSECTION Service and Repair
Crankshaft Balancer Replacement
Special Tools
* EN-45059 - Angle Meter
* EN-38122-A - Harmonic Balancer Holder
For equivalent regional tools, refer to Special Tools Special Tools.
Removal Procedure
1. Remove the drive belt. Refer to Drive Belt Replacement Service and Repair.
2. Use EN-38122-A - holder(1) to prevent the crankshaft from rotating while loosening the crankshaft balancer bolt (2).
3. Remove and discard the crankshaft balancer bolt.
4. Remove the bolt (1), washer (2), and crankshaft balancer (3).
Installation Procedure
1. Position the crankshaft balancer (3).
2. Install washer (2) and a NEW crankshaft balancer bolt (1).
3. Use the EN-38122-A - holder(1) to hold the crankshaft balancer in order to prevent the balancer from rotating while tightening the bolt (2).
Caution:
Refer to Fastener Caution Fastener Caution.
4. Tighten the crankshaft balancer bolt to 100 Nm (74 lb ft) plus an additional 125 degrees using the EN-45059 - meter.
5. Install the drive belt. Refer to Drive Belt Replacement Service and Repair.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.