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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 621 (BATTERY)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Fastener Tightening Specifications
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
FASTENER TIGHTENING SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Auxiliary Battery Cable Clip Bolt | 10 N.m | 89 lb in |
| Auxiliary Battery Relay Nut | 9 N.m | 80 lb in |
| Auxiliary Battery Tray Nut | 25 N.m | 18 lb ft |
| Auxiliary Generator Bolt (6.6L) | 50 N.m | 37 lb ft |
| Auxiliary Generator Bracket Bolt (6.6L) | 50 N.m | 37 lb ft |
| Auxiliary Negative Battery Cable Bolt | 17 N.m | 13 lb ft |
| Auxiliary Positive Battery Cable Bolt | 17 N.m | 13 lb ft |
| Auxiliary Positive Battery Cable Nut | 8 N.m | 71 lb in |
| Auxiliary Positive Cable to Relay Nut | 9 N.m | 80 lb in |
| Battery Cable Bracket Bolt | 25 N.m | 18 lb ft |
| Battery Cable Channel Bolt | 12 N.m | 106 lb in |
| Battery Cable Channel Bolt (6.6L) | 8 N.m | 71 lb in |
| Battery Cable Junction Block Bracket Bolt (4.8L, 5.3L, and 6.01.) | 9 N.m | 80 lb in |
| Battery Cable Retainer Nut (6.6L) | 12 N.m | 106 lb in |
| Battery Hold Down Retainer Bolt | 25 N.m | 18 lb ft |
| Battery Tray Bolt | 9 N.m | 80 lb in |
| Drive Bolt Tensioner Bolt (6.6L) | 41 N.m | 30 lb ft |
| Engine Wiring Harness Auxiliary Negative Battery Cable Bolt | 16 N.m | 12 lb ft |
| Engine Wiring Harness Ground Bolt | 16 N.m | 12 lb ft |
| Engine Wiring Harness Ground/Negative Cable Bolt | 25 N.m | 18 lb ft |
| Engine Wiring Harness Ground/Negative Cable Bolt (6.6L) | 34 N.m | 25 lb ft |
| Engine Wiring Harness Retainer Bolt (6.6L) | 21 N.m | 15 lb ft |
| Forward Lamp Wiring Harness Ground/Negative Cable Bolt | 9 N.m | 80 lb in |
| Front End Diagonal Brace Bolt | 9 N.m | 80 lb in |
| Fuel Bleed Valve and Positive Cranks case Ventilation (PCV) Oil Separator Bracket Nut (6.6L) | 25 N.m | 18 lb ft |
| Generator Bracket Bolt (4.8L, 5.3L, 6.0L, 6.6L, and 8.1L) | 50 N.m | 37 lb ft |
| Generator Bolt (4.8L, 5.3L, 6.0L, 6.6L, and 8.1L) | 60 N.m | 37 lb ft |
| Generator Bolt (4.3L) | 50 N.m | 37 lb ft |
| Generator Bracket Bolt/Nut (4.3L) | 41 N.m | 30 lb ft |
| Generator Bracket Nut (8.1 L) | 20 N.m | 15 lb ft |
| Generator Cable Nut | 9 N.m | 80 lb in |
| Ground Strap Nut | 9 N.m | 80 lb in |
| Heater Hose Bracket Bolt (4.8L) | 25 N.m | 18 lb ft |
| Heater Outlet Pipe Bolt (0.6L) | 25 N.m | 18 lb ft |
| Idler Pulley Bolt (6.6L) | 43 N.m | 32 lb ft |
| Negative Battery Cable Bolt | 17 N.m | 13 lb ft |
| Positive Battery Cable Boll | 17 N.m | 13 lb ft |
| Positive Battery Cable Nut (6.6L) | 9 N.m | 80 lb in |
| Positive Cable Clip Nut (8.1L) | 8 N.m | 71 lb in |
| Positive Cable at Underhood Bussed Electrical Center (UBEC) Bolt | 9 N.m | 80 lb in |
| Starter Bolt (4.3L) | 43 N.m | 32 lb ft |
| Starter Bolt (4.8L, 5.3L, 6.0L, and 8.1 L) | 50 N.m | 37 lb ft |
| Starter Bolt (6.6L) | 78 N.m | 58 lb ft |
| Starter Heat Shield Bolt (8.1 L) | 3 N.m | 35 lb in |
| Starter Heat Shield Nut (8.1 L) | 5 N.m | 44 lb in |
| Starter Lead Nut | 9 N.m | 80 lb in |
| Starter Solenoid Nut | 3.4 N.m | 30 lb in |
| Surge Tank Bolt/Nut | 9 N.m | 80 lb in |
| Transmission Cover Bolt (4.8L, 5.3L, and 6.0L) | 9 N.m | 80 lb in |
| Wiring Harness Bracket Bolt (4.3L) | 25 N.m | 18 lb ft |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.