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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 4.8 CREPAIR AND DIAGNOSISDRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESREAR DRIVE AXLESPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 C
Fastener Tightening Specifications
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 CSECTION Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Axle Flange Bolts | 156 N.m | 115 lb ft |
| Bearing Cap Bolts, 8.6" Axle | 75 N.m | 55 lb ft |
| Bearing Cap Bolts, 9.75", 10.5" and 10.75" Axles | 109 N.m | 80 lb ft |
| Brake Backing Plate Bolts, 8.6" Axle | 140 N.m | 103 lb ft |
| Brake Backing Plate Bolts, 9.75", 10.5" and 10.75" Axles w/o RPO R05 | 135 N.m | 100 lb ft |
| Brake Backing Plate Bolts, 10.5" and 10.75" Axles w/ RPO R05 | 160 N.m + 30 degrees | 118 lb ft + 30 degrees |
| Differential Bearing Adjuster Nut Lock Bolt, 9.75", 10.5" and 10.75" Axles | 13 N.m | 10 lb ft |
| Differential Case Bolts (Locking/Limited Slip) | 50 N.m | 37 lb ft |
| Differential Housing Cover Bolts, 8.6" Axle | 40 N.m | 30 lb ft |
| Differential Housing Cover Bolts, 9.75", 10.5" and 10.75" Axles | 61 N.m | 45 lb ft |
| Fill Plug | 33 N.m | 24 lb ft |
| Pinion Nut, 9.75", 10.5" and 10.75" Axles | 339 N.m | 250 lb ft |
| Pinion Shaft Lock Bolt, 8.6" Axle | 36 N.m | 27 lb ft |
| Pinion Shaft Lock Bolt, 9.75" Axle | 27 N.m | 20 lb ft |
| Pinion Yoke Retainer Bolts | 25 N.m | 18 lb ft |
| Ring Gear Bolts, 8.6" Axle | 120 N.m | 89 lb ft |
| Ring Gear Bolts, 9.75", 10.5" and 10.75" Axles | 177 N.m | 131 lb ft |
| Wheel Hub Nut | 70 N.m | 52 lb ft |
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.