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GMC Truck
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2003
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Envoy 4WD L6-4.2L VIN S
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Repair and Diagnosis
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Maintenance
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Service Intervals
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Severe Service
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7500 MI or 12000 KM
7500 MI or 12000 KM
Inspect
Fluid - Differential
Inspect front/rear axle fluid level and add fluid as needed. Inspect constant velocity joints and axle seals for leaking.
Brakes and Traction Control
Rotate
Tires