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 MANUALSCHEVROLET2013AVALANCHE 4WD V8-5.3LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSFER CASESERVICE AND REPAIROVERHAULMP 3023/3024-NQH - TRANSFER CASEOVERHAUL PROCEDURE STEPS
2013 Chevrolet Avalanche 4WD V8-5.3L
Overhaul Procedure Steps
2013 Chevrolet Avalanche 4WD V8-5.3LSECTION Overhaul Procedure Steps
Transfer Case Overhaul
NOTE: This article lists the sequential steps necessary to overhaul the transfer case.
^ For the specific step listed below, refer to that step under "Repair Instructions". Overhaul (Unit Repair)
1. Transfer Case Disassemble
2. Transfer Case Front Half Cleaning and Inspection
3. Transfer Case Rear Half Cleaning and Inspection
4. Oil Pump Cleaning and Inspection
5. Rear Output Shaft Cleaning and Inspection
6. Front Output Shaft and Input Shaft Cleaning and Inspection
7. Drive Chain, Drive Sprocket, and Driven Sprocket Cleaning and Inspection
8. High/Low Planetary Carrier Cleaning and Inspection
9. High/Low Shift Components Cleaning and Inspection
10. Two/Four Wheel Drive Shift Components Cleaning and Inspection
11. Rear Output Shaft Bushing Replacement
12. Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Front
13. Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Rear
14. Input Shaft Pilot Bearing Replacement (Light Duty)
15. Front Output Shaft Front and Rear Bearing Replacement
16. Front Output Shaft Drive Sprocket Bearing Replacement
17. High/Low Shift Fork Replacement
18. Transfer Case Assemble
NOTE: This article lists the sequential steps necessary to overhaul the transfer case.
^ For the specific step listed below, refer to that step under "Repair Instructions". Overhaul (Unit Repair)
1. Transfer Case Disassemble
2. Transfer Case Front Half Cleaning and Inspection
3. Transfer Case Rear Half Cleaning and Inspection
4. Oil Pump Cleaning and Inspection
5. Rear Output Shaft Cleaning and Inspection
6. Front Output Shaft and Input Shaft Cleaning and Inspection
7. Drive Chain, Drive Sprocket, and Driven Sprocket Cleaning and Inspection
8. High/Low Planetary Carrier Cleaning and Inspection
9. High/Low Shift Components Cleaning and Inspection
10. Two/Four Wheel Drive Shift Components Cleaning and Inspection
11. Rear Output Shaft Bushing Replacement
12. Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Front
13. Transfer Case Four Wheel Drive Actuator Lever Shaft Bearing Replacement - Rear
14. Input Shaft Pilot Bearing Replacement (Light Duty)
15. Front Output Shaft Front and Rear Bearing Replacement
16. Front Output Shaft Drive Sprocket Bearing Replacement
17. High/Low Shift Fork Replacement
18. Transfer Case Assemble
RENDER: 1.0x
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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.