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 K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1033 (REAR DRIVE AXLE)
2006 Chevrolet Suburban K2500, 6.0 U
Section 1033 (Rear Drive Axle)
2006 Chevrolet Suburban K2500, 6.0 USECTION Section 1033 (Rear Drive Axle)
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Component Locator
- Diagnostic Information & 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
- Rear Drive Axle Noises
- Noisy in Drive
- Noisy When Coasting
- Intermittent Noise
- Constant Noise
- Noisy on Turns
- Wheel Bearing Wear - Rear Drive Axle (Straight)
- Wheel Bearing Wear - Rear Drive Axle (Tapered)
- Rear Axle Lubricant Leak Diagnosis
- Limited Slip Differential Diagnosis
- Locking Differential Diagnosis
- Locking Rear Axle Does Not Lock
- Locking Rear Axle Locks In Turns
- Locking Rear Drive Axle Chatters In Turns
- Noise In Addition To Normal Clutch Engagement
- Repair Instructions
- Rear Axle Lubricant Level Inspection (8.6 Inch Axle)
- Rear Axle Lubricant Level Inspection (11.5 Inch Axle)
- Rear Axle Lubricant Level Inspection (9.5LD Inch Axle)
- Rear Axle Lubricant Level Inspection (9.5 Inch HD & 10.5 Inch Axles)
- Rear Axle Lubricant Replacement (8.6 Inch Axle)
- Rear Axle Lubricant Replacement (9.5 LD Axle)
- Rear Axle Lubricant Replacement (9.5 Inch HD & 10.5 Inch Axles)
- Vent Hose Replacement
- Rear Axle Housing Cover & Gasket Replacement
- Rear Axle Shaft Replacement (8.6, 9.5/9.5LD Inch Axles)
- Rear Axle Shaft Replacement (8.6 Inch Axle w/Drum Brakes)
- Rear Axle Shaft Seal and/or Bearing Replacement (w/Rear Disc)
- Rear Axle Shaft Seal and/or Bearing Replacement (w/Rear Drum)
- Rear Axle Shaft and/or Gasket Replacement
- Rear Axle Hub, Bearing, Cup, and/or Seal Replacement
- Drive Pinion Flange/Yoke and/or Oil Seal Replacement (All Except 9.75 Inch Axle)
- Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle w/Drum Brakes)
- Drive Pinion Housing and/or Seal Replacement
- Drive Pinion & Ring Gear Replacement (8.6, 9.5/9.5LD & 11.5 Inch Axles)
- Drive Pinion & Ring Gear Replacement (10.5 Inch Axle)
- Drive Pinion Bearings Replacement (8.6, 9.5/9.5LD & 11.5 Inch Axles)
- Differential Replacement (10.5 Inch, 11.5 Inch Axle)
- Differential Replacement (8.6, 9.5/9.5LD Inch Axles)
- Differential Side Bearings Replacement (All Except 9.75 Inch Axle)
- Rear Axle Replacement (15/25 Series)
- Rear Axle Replacement (15 Series with Drum Brakes)
- Rear Axle Replacement (35 Series)
- Rear Axle Housing Replacement (w/Rear Disc)
- Rear Axle Housing Replacement (w/Rear Drum)
- Differential Overhaul (8.6 Inch Axle)
- Differential Overhaul (9.5/9.5LD Inch Axles)
- Differential Overhaul (10.5 Inch Axle)
- Differential Overhaul (11.5 Inch Axle)
- Bearings Inspection
- Differential Inspection
- Pinion and Ring Gear Inspection
- Rear Axle Housing Inspection
- Shims Inspection
- Pinion Depth Adjustment (8.6, 9.5/9.5LD, & 11.5 Inch Axles)
- Pinion Depth Adjustment (10.5 Inch Axle)
- Differential Side Bearing Preload Adjustment (8.6 Inch Axle)
- Differential Side Bearing Preload Adjustment (9.5, & 9.5LD Inch Axles)
- Differential Side Bearing Preload Adjustment (10.5 Inch, 11.5 Inch Axles)
- Wheel Bearing Adjustment
- Backlash Adjustment (8.6 Inch Axle)
- Backlash Adjustment (9.5 LD Axle)
- Backlash Adjustment (10.5, 11.5 Inch Axles)
- Gear Tooth Contact Pattern Inspection
- Notes
- Drive Pinion and Ring Gear Identification
- Gear Tooth Nomenclature
- Adjustments Affecting Tooth Contact
- Testing Procedure
- Correct Contact Pattern
- Drive Side Heel - Coast Side Toe Contact Pattern
- Drive Side Toe - Coast Side Heel Contact Pattern
- Drive Side Heel - Coast Side Heel Contact Pattern
- Drive Side Toe - Coast Side Toe Contact Pattern
- High Flank Contact Pattern
- Low Flank Contact Pattern
- Locking Differential Disassemble (8.6, 9.5LD Axles)
- Locking Differential Clutch Disc Assembly Disassemble (8.6 Inch Axle)
- Locking Differential Clutch Disc Assembly Disassemble (9.5 Inch Axle)
- Locking Differential Cam Unit Disassemble (9.5 Inch Axle)
- Locking Differential Cleaning & Inspection
- Locking Differential Cam Unit Assemble (8.6 Inch Axle)
- Locking Differential Cam Unit Assemble (9.5 Inch Axle)
- Locking Differential Clutch Disc Assembly Assemble (8.6 Inch Axle)
- Locking Differential Clutch Disc Assembly Assemble (9.5 Inch Axle)
- Locking Differential Adjustment (8.6 Inch Axle)
- Locking Differential Adjustment (9.5 Inch Axle)
- Locking Differential Assemble (9.5 Inch Axle)
- Description & Operation
- Special Tools and Equipment
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Recommended Tools & Savings
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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.