Section 851 (Front Drive Axle - 4WD)
WARNING: This page is about a different car, the 2003 GMC Safari, 2003 Chevrolet Astro, 2002 GMC Safari, and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Front Drive Axle
- Symptoms - Front Drive Axle
- Front Drive Axle Noises
- Noisy in Drive
- Noisy When Coasting
- Intermittent Noise
- Constant Noise
- Noisy on Turns
- Wheel Bearing Wear - Front Drive Axle (Tapered)
- Wheel Bearing Wear - Front Drive Axle (Straight)
- Front Axle Lubricant Leak Diagnosis
- Repair Instructions
- Lubricant Level Inspection - Front Drive Axle
- Lubricant Replacement - Front Drive Axle
- Vent Hose Replacement
- Inner Shaft and/or Housing Replacement-Front Drive Axle
- Inner Axle Seal and/or Bearing Replacement - Front Drive Axle
- Differential Drive Pinion Flange/Yoke, Seal and Dust Deflector Replacement-Front
- Differential Carrier Assembly Bushing Replacement
- Differential Carrier Assembly Replacement
- Differential Carrier Assembly - Disassemble
- Differential Case Assembly Disassemble
- Differential Case Bearings Inspection
- Differential Case and Gears Inspection
- Pinion and Ring Gear Inspection
- Thrust Washers, Shims, and Adjuster Sleeves Inspection
- Differential Case Assembly Assemble
- Pinion Bearing Cup Installation
- Pinion Depth Adjustment
- Differential Carrier Assembly - Assemble
- Backlash Inspection and Adjustment
- Differential Carrier Assembly - Final Assembly
- Gear Tooth Contact Pattern Inspection
- Notes
- Gear Tooth Nomenclature
- Adjustments Affecting Tooth Contact
- Pinion Depth Adjustment
- Backlash Adjustment
- 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
- Description and Operation
- Special Tools and Equipment