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 1254 (REAR DRIVE AXLE)
2006 Chevrolet Suburban C2500, 6.0 U
Section 1254 (Rear Drive Axle)
2006 Chevrolet Suburban C2500, 6.0 USECTION Section 1254 (Rear Drive Axle)
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Visual Identification
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Locking/Limited Slip Rear Axle
- Diagnostic Starting Point - Rear Drive Axle
- Symptoms - Locking/Limited Slip Rear Axle
- Symptoms - Rear Drive Axle
- Noisy in Drive
- Noisy When Coasting
- Intermittent Noise
- Constant Noise
- Noisy on Turns
- Rear Axle Lubricant Leak Diagnosis
- Limited Slip Differential Diagnosis
- Limited Slip Differential Chatters in Turns
- Repair Instructions
- Rear Axle Lubricant Level Inspection
- Lubricant Change
- Rear Axle Shaft Seal and Rear Wheel Drive Shaft Flange Replacement
- Drive Pinion Flange/Yoke and/or Oil Seal Replacement
- Differential Replacement
- Rear Axle Disassemble
- Differential Case Cleaning and Inspection
- Differential Housing Cleaning and Inspection
- Differential Housing Support Bushing Replacement (Right )
- Differential Housing Support Bushing Replacement (Left)
- Differential Housing Support Bushing Replacement (Rear)
- Ring Gear and Differential Housing Assemble
- Rear Axle Assemble
- Limited Slip Differential Disassemble
- Limited Slip Differential Cleaning and Inspection
- Limited Slip Differential Assemble
- Description and Operation
- Special Tools and Equipment
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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.