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 MANUALSCHEVROLET1987CHEVY VAN G20, 5.0 H, STANDARDLABOR TIMESOTHER VARIANTTRANSMISSIONAUTOMATIC TRANSTRANSMISSION ASSEMBLYREMOVE & REPLACE
1987 Chevrolet Chevy Van G20, 5.0 H, Standard
Transmission Assembly: Remove & Replace
1987 Chevrolet Chevy Van G20, 5.0 H, StandardSECTION Remove & Replace
WARNING: This page is about the Chevy Van G10, 4.3 Z, Automatic, 400/M40, which is a different variant/trim than selected.
TRANS ID - 400, 475, 3L80, 3L80HD
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 3.8 | 2.4 | C | ||
| Additional Procedure: TRANSMISSION ASSEMBLY: Remove & Replace: | ||||
| w/Catalytic Converter add | 0.4 | C | ||
| w/Dual Exhaust add | 0.4 | C | ||
TRANS ID - 700-R4, 4L60, 4L60E, 4L65E, 4L70E
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| G10 | 3.8 | C | ||
| Combination Procedure: FLYWHEEL: Remove & Replace: | ||||
| 0.3 | C | |||
| Combination Procedure: TRANSFER CASE ASSEMBLY: Replace: | ||||
| 0.3 | C | |||
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.