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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSPONTIAC1987J2000/SUNBIRD L4-121 2.0LREPAIR AND DIAGNOSISDIAGRAMSEXPLODED VIEWSDRIVE BELT
1987 Pontiac J2000/Sunbird L4-121 2.0L
Drive Belt
1987 Pontiac J2000/Sunbird L4-121 2.0LSECTION Drive Belt
Fig. 19 Serpentine Drive Belt Routing:
1. Disconnect battery ground cable, then remove coolant recovery tank.
2. Using 19 mm wrench, pivot tensioner and remove belt from alternator.
3. Raise and support vehicle, then remove inner fender splash shield.
4. Remove A/C belt, if equipped.
5. Remove serpentine drive belt.
6. Reverse procedure to install. Refer to Fig. 19, for drive belt routing.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.