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 MANUALSPONTIAC1987J2000/SUNBIRD L4-121 2.0LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSWARRANTY - REPAIR AND CLAIMS PROCEDURESWARRANTY COVERAGE - CAUSE OF FAILURE
1987 Pontiac J2000/Sunbird L4-121 2.0L
Warranty Coverage - Cause of Failure
1987 Pontiac J2000/Sunbird L4-121 2.0LSECTION Warranty Coverage - Cause of Failure
The GM Certified Used Vehicle Warranty provides "wrap-around" coverage during the Bumper-Bumper coverage period that rounds up to 4 years/5O,000 miles (5 years/62,000 miles on Aurora) The following policies apply:
The GM Certified Used Vehicle Warranty covers failures resulting from causes beyond defects in materials or workmanship.
Failure means a covered part does not function as intended and is not the result of any of the items listed in the GM Certified Used Vehicle Warranty under "What is Not Covered."
If a failure is not covered by the New Vehicle Warranty during the Bumper-to-bumper coverage period, the GM Certified Used Vehicle Warranty will provide coverage as long as the part/component is covered and the cause of failure is not due to abuse, misuse or neglect.
The GM Certified Used Vehicle Warranty covers failures resulting from causes beyond defects in materials or workmanship.
Failure means a covered part does not function as intended and is not the result of any of the items listed in the GM Certified Used Vehicle Warranty under "What is Not Covered."
If a failure is not covered by the New Vehicle Warranty during the Bumper-to-bumper coverage period, the GM Certified Used Vehicle Warranty will provide coverage as long as the part/component is covered and the cause of failure is not due to abuse, misuse or neglect.
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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.