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 MANUALSCHEVROLET1985CHEVY VAN G30, 5.7 M, 475/M40LABOR TIMESOTHER VARIANTTRANSMISSIONAUTOMATIC TRANSTRANSMISSION ASSEMBLYREMOVAL & INSTALLATION
1985 Chevrolet Chevy Van G30, 5.7 M, 475/M40
Removal & Installation
1985 Chevrolet Chevy Van G30, 5.7 M, 475/M40SECTION Removal & Installation
WARNING: This page is about the Chevy Van G10, 4.3 N, Automatic, 350C/MV4, which is a different variant/trim than selected.
TRANS ID - 350, 350C
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 3.1 | 2.3 | C | ||
| Additional Procedure: TRANSMISSION ASSEMBLY: Removal & Installation: | ||||
| w/Catalytic Converter add | 0.4 | C | ||
| Combination Procedure: CONVERTER: Drain & Test: | ||||
| 0.2 | C | |||
| Combination Procedure: DIRECT & FORWARD CLUTCH: Overhaul: | ||||
| 2.1 | A | |||
| Combination Procedure: EXTENSION HOUSING: Remove & Replace: | ||||
| 0.2 | B | |||
| Combination Procedure: FLYWHEEL: Remove & Replace: | ||||
| 0.3 | C | |||
| Combination Procedure: INTERMEDIATE CLUTCH ACCUMULATOR: Remove & Replace: | ||||
| 0.2 | A | |||
| Combination Procedure: LOW & REVERSE CLUTCH PISTON: Overhaul: | ||||
| 2.6 | A | |||
| Combination Procedure: OIL PUMP SEAL: Remove & Replace: | ||||
| Front | 0.2 | B | ||
| Combination Procedure: OUTPUT SHAFT: Remove & Replace: | ||||
| 2.2 | B | |||
| Combination Procedure: TORQUE CONVERTER: Remove & Replace: | ||||
| 0.1 | C | |||
| Combination Procedure: TRANS OIL PUMP: Overhaul Removed: | ||||
| 0.5 | B | |||
| Combination Procedure: TRANS OIL PUMP: Remove & Replace: | ||||
| Front | 0.5 | B | ||
| Combination Procedure: TRANS OIL PUMP BUSHINGS & SEAL: Remove & Replace: | ||||
| 0.3 | B | |||
| Combination Procedure: TRANSMISSION ASSEMBLY: Replace: | ||||
| 0.6 | C | |||
TRANS ID - 400, 475, 3L80, 3L80HD
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 3.2 | 2.4 | C | ||
| Additional Procedure: TRANSMISSION ASSEMBLY: Removal & Installation: | ||||
| w/Catalytic Converter add | 0.4 | C | ||
| w/Dual Exhaust add | 0.4 | C | ||
| Combination Procedure: BAND: Remove & Replace: | ||||
| Front | 0.7 | A | ||
| Rear or Both | 1.7 | A | ||
| Combination Procedure: CARRIER PINIONS: Remove & Replace: | ||||
| Both | 2.7 | B | ||
| One,Set | 2.1 | B | ||
| Combination Procedure: CLUTCH PLATES: Remove & Replace: | ||||
| Direct | 1.1 | A | ||
| Forward | 1.1 | A | ||
| Forward & Direct | 1.5 | A | ||
| Intermediate | 1.1 | A | ||
| Intermediate & Direct | 1.5 | A | ||
| Combination Procedure: CONVERTER: Drain & Test: | ||||
| 0.2 | C | |||
| Combination Procedure: FLYWHEEL: Remove & Replace: | ||||
| 0.3 | C | |||
| Combination Procedure: INTERMEDIATE SPRAG: Overhaul: | ||||
| 1.5 | A | |||
| Combination Procedure: LOW SPRAG: Overhaul: | ||||
| 2.5 | A | |||
| Combination Procedure: OIL PUMP SEAL: Remove & Replace: | ||||
| Front | 0.2 | B | ||
| Combination Procedure: OUTPUT SHAFT: Remove & Replace: | ||||
| 2.2 | B | |||
| Combination Procedure: TORQUE CONVERTER: Remove & Replace: | ||||
| 0.1 | C | |||
| Combination Procedure: TRANS OIL PUMP: Overhaul Removed: | ||||
| Front | 0.5 | B | ||
| Combination Procedure: TRANS OIL PUMP: Remove & Replace: | ||||
| Front | 0.4 | B | ||
| Combination Procedure: TRANS OIL PUMP BUSHINGS & SEAL: Remove & Replace: | ||||
| 0.3 | B | |||
| Combination Procedure: TRANSMISSION ASSEMBLY: Replace: | ||||
| 0.6 | C | |||
| Combination Procedure: TRANSMISSION HOUSING: Remove & Replace: | ||||
| 2.5 | A | |||
TRANS ID - 700-R4, 4L60, 4L60E, 4L65E, 4L70E
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| G10 | 3.2 | C | ||
| Combination Procedure: CONVERTER: Drain & Test: | ||||
| 0.2 | C | |||
| Combination Procedure: FLYWHEEL: Remove & Replace: | ||||
| 0.3 | C | |||
| Combination Procedure: TORQUE CONVERTER: Remove & Replace: | ||||
| 0.1 | C | |||
| Combination Procedure: TRANS OIL PUMP: Overhaul Removed: | ||||
| 0.5 | B | |||
| Combination Procedure: TRANS OIL PUMP: Remove & Replace: | ||||
| 1.1 | B | |||
| Combination Procedure: TRANS OIL PUMP BUSHINGS & SEAL: Remove & Replace: | ||||
| 0.3 | B | |||
| Combination Procedure: TRANS OIL PUMP SEAL: Remove & Replace: | ||||
| 0.2 | B | |||
| Combination Procedure: TRANSFER CASE ASSEMBLY: Replace: | ||||
| 0.3 | C | |||
| Combination Procedure: TRANSMISSION ASSEMBLY: Replace: | ||||
| 0.6 | C | |||
| Combination Procedure: TRANSMISSION HOUSING: Remove & Replace: | ||||
| 3.6 | A | |||
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.