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.
1990 Pontiac LeMans BaseFACTORY OEM SERVICE PROCEDURE
Removal & Installation
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 3.0 | 1.8 | C | ||
| Combination Procedure: CLUTCH HOUSING CASE: Replace: | ||||
| 4 Spd Trans | 1.2 | 0.7 | B | |
| Combination Procedure: CLUTCH PRESSURE PLATE: Remove & Replace: | ||||
| 0.3 | C | |||
| Combination Procedure: CLUTCH RELEASE BEARING: Remove & Replace: | ||||
| 0.2 | C | |||
| Combination Procedure: DIFFERENTIAL ASSEMBLY: Overhaul: | ||||
| 4 Spd Trans | 2.0 | 0.8 | A | |
| Combination Procedure: FLYWHEEL: Remove & Replace: | ||||
| 0.6 | C | |||
| Combination Procedure: INPUT SHAFT: Replace: | ||||
| 4 Spd Trans | 1.4 | 1.1 | A | |
| Combination Procedure: INPUT SHAFT SEAL: Remove & Replace: | ||||
| 4 Spd Trans | 1.1 | 0.3 | B | |
| Combination Procedure: OUTPUT SHAFT: Replace: | ||||
| 4 Spd Trans | 1.5 | 1.3 | B | |
| Combination Procedure: SPEEDOMETER DRIVE GEAR: Remove & Replace: | ||||
| 4 Spd Trans | 1.0 | 0.4 | B | |
| Combination Procedure: TRANSAXLE ASSEMBLY: Replace: | ||||
| 0.4 | C | |||
| Combination Procedure: TRANSAXLE CASE: Replace: | ||||
| 4 Spd Trans | 1.1 | 1.1 | A | |
Factory Service Tools
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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.
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