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 MANUALSCHEVROLET1990STEP VAN 6.2 J, AUTOMATIC, 3L80-HD/M40REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 15 (REMOVAL & INSTALLATION - M/T)TORQUE SPECIFICATIONS"S/T SERIES
1990 Chevrolet Step Van 6.2 J, Automatic, 3L80-HD/M40
"S/T Series
1990 Chevrolet Step Van 6.2 J, Automatic, 3L80-HD/M40SECTION "S/T Series
WARNING: This page does not describe the selected car, but rather 53 other vehicles, including the 1994 GMC Yukon, 1994 GMC Vandura Special, 1994 GMC Vandura, 1994 GMC Sonoma, and 1994 GMC Safari. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS ("S/T" SERIES)
| Application | Ft. Lbs. (N.m) |
|---|---|
| Adapter-To-Transfer Case Bolt | 24 (33) |
| Adapter-To-Transmission Bolt | 24 (33) |
| Crossmember-To-Frame Bolt | 25 (34) |
| Crossmember-To-Mount Bolt | 25 (34) |
| Drain Plug | 30 (41) |
| Fill Plug | 17 (23) |
| Mount-To-Transmission Bolt | 37 (50) |
| Shift Lever Nut | 35 (47) |
| Transfer Case-To-Extension Housing Bolts | 24 (33) |
| Transmission-To-Clutch Housing Bolt | 55 (75) |
| INCH Lbs. (N.m) | |
| Speed Sensor Bolt (RPO MG5) | 108 (12) |
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.