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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 738 (REAR DRIVE AXLE)SPECIFICATIONSAXLE PRELOAD AND BACKLASH SPECIFICATIONS
2006 Chevrolet Suburban C2500, 6.0 U
Axle Preload and Backlash Specifications
2006 Chevrolet Suburban C2500, 6.0 USECTION Axle Preload and Backlash Specifications
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Axle Preload and Backlash Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Backlash, NEW Gear Set | 0.08-0.13mm | 0.003-0.005 in |
| Backlash, Gear Set, General Range | 0.08-0.25 mm | 0.003-0.010 in |
| Backlash, Used/Broken-In Gear Set, Preferred | 0.13-0.18 mm | 0.005-0.007 in |
| Pinion and Differential Case Bearing Preload, New Bearings | 3.4-6.2 N.m | 30-55 lb in |
| Pinion and Differential Case Bearing Preload, Used Bearings | 2.8-5.1 N.m | 25-45 lb in |
| Pinion Bearing Preload, New Bearings | 1.7-3.4 N.m | 15-30 lb in |
| Pinion Bearing Preload, Used Bearings | 1.1-2.3 N.m | 10-20 lb in |
| Axle Shaft Endplay/Lash (axial lash) per side, max | 0.31mm | 0.012 in |
| Axle Shaft Radial Lash (up and down) | 0.051mm | 0.002-0.003 in |
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.