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 DIAGNOSISMAINTENANCESPECIFICATIONSTRANSMISSION/TRANSAXLE, MANUAL
1987 Pontiac J2000/Sunbird L4-121 2.0L
Transmission/Transaxle, Manual
1987 Pontiac J2000/Sunbird L4-121 2.0LSECTION Transmission/Transaxle, Manual
TRANSAXLE, Manual (FWD) GLS*(Gear Lubricant, Special)
CAPACITY, Refill
4-speed 2.8 Liters 6.0 Pints
5-speed, Isuzu* 2.5 Liters 5.4 Pints
5-speed, Muncie**:
6000, Fiero 1.9 Liters 4.0 Pint
Others 2.1 Liters 4.4 Pint
*Has a 7-bolt aluminum end cap
**Has a 9-bolt steel end cap
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.