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 MANUALSGMC1991S15 JIMMY 2D UTILITY, RWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESDIFFERENTIAL - 7.5" TO 9.5"TORQUE SPECIFICATIONS
1991 GMC S15 Jimmy 2D Utility, RWD, Standard
Torque Specifications
1991 GMC S15 Jimmy 2D Utility, RWD, StandardSECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | |||
|---|---|---|---|---|
| Differential Bearing Adjusting Lock Bolt | ||||
| 9 1/2" Ring Gear | 22 (30) | |||
| Differential Cover Bolts | 20 (27) | |||
| Pinion Shaft Lock Bolt | 25 (34) | |||
| Ring Gear-To-Differential Case Bolt (1) | ||||
| 7 1/2" & 7 5/8" Ring Gear | 90 (122) | |||
| 8 1/2" Ring Gear | 60 (81) | |||
| 9 1/2" Ring Gear | 105 (142) | |||
| Side Bearing Cap Bolt | ||||
| 7 1/2" Ring Gear | 55 (75) | |||
| 8 1/2" Ring Gear | 60 (81) | |||
| 9 1/2" Ring Gear | 60 (81) | |||
| Side Bearing Preload Adjusting | ||||
| Nut Lock Bolt (9 1/2" Ring Gear) | 22 (30) | |||
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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.