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)SPECIFICATIONSDIFFERENTIAL ADJUSTMENT SHIM SPECIFICATIONS
2006 Chevrolet Suburban C2500, 6.0 U
Differential Adjustment Shim Specifications
2006 Chevrolet Suburban C2500, 6.0 USECTION Differential Adjustment Shim 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.
8.6 Inch Axle Differential Adjustment Shims Specifications
| Number of Notches | Specification | ||
|---|---|---|---|
| Inside | Outside | Metric | English |
| 0 | 3 | 1.02 mm | 0.040" |
| 0 | 4 | 1.07 mm | 0.042" |
| 0 | 5 | 1.12 mm | 0.044" |
| 1 | 1 | 1.17 mm | 0.046" |
| 1 | 2 | 1.22 mm | 0.048" |
| 1 | 3 | 1.27 mm | 0.050" |
| 1 | 4 | 1.32 mm | 0.052" |
| 1 | 5 | 1.37 mm | 0.054" |
| 2 | 1 | 1.42 mm | 0.056" |
| 2 | 2 | 1.47 mm | 0.058" |
| 2 | 3 | 1.52 mm | 0.060" |
| 2 | 4 | 1.58 mm | 0.062" |
| 2 | 5 | 1.63 mm | 0.064" |
| 3 | 1 | 1.68 mm | 0.066" |
| 3 | 2 | 1.73 mm | 0.068" |
| 3 | 3 | 1.78 mm | 0.070" |
| 3 | 4 | 1.83 mm | 0.072" |
| 3 | 5 | 1.88 mm | 0.074" |
| 4 | 1 | 1.93 mm | 0.076" |
| 4 | 2 | 1.98 mm | 0.078" |
| 4 | 3 | 2.03 mm | 0.080" |
| 4 | 4 | 2.08 mm | 0.082" |
| 4 | 5 | 2.13 mm | 0.084" |
| 5 | 1 | 2.18 mm | 0.086" |
| 5 | 2 | 2.24 mm | 0.088" |
| 5 | 3 | 2.29 mm | 0.090" |
| 5 | 4 | 2.34 mm | 0.092" |
| 5 | 5 | 2.39 mm | 0.094" |
| 6 | 1 | 2.38 mm | 0.096" |
| 6 | 2 | 2.49 mm | 0.098" |
| 6 | 3 | 2.54 mm | 0.100" |
9.5/9.5LD Inch Axle Differential Adjustment Shims Specifications
| # of Stripes | Color | Specification | |
|---|---|---|---|
| Metric | English | ||
| 1 | Orange | 5.59 mm | 0.220" |
| 2 | Orange | 5.64 mm | 0.222" |
| 3 | Orange | 5.69 mm | 0.224" |
| 4 | Orange | 5.74 mm | 0.226" |
| 5 | Orange | 5.79 mm | 0.228" |
| 1 | Yellow | 5.84 mm | 0.230" |
| 2 | Yellow | 5.89 mm | 0.232" |
| 3 | Yellow | 5.94 mm | 0.234" |
| 4 | Yellow | 5.99 mm | 0.236" |
| 5 | Yellow | 6.05 mm | 0.238" |
| 1 | White | 6.10 mm | 0.240" |
| 2 | White | 6.15 mm | 0.242" |
| 3 | White | 6.20 mm | 0.244" |
| 4 | White | 6.25 mm | 0.246" |
| 5 | White | 6.30 mm | 0.248" |
| 1 | Green | 6.35 mm | 0.250" |
| 2 | Green | 6.40 mm | 0.252" |
| 3 | Green | 6.45 mm | 0.254" |
| 4 | Green | 6.50 mm | 0.256" |
| 5 | Green | 6.55 mm | 0.258" |
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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.