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.
2010 GMC Sierra 2500 HD, 2D Pickup, 6.0 K, RWDFACTORY OEM SERVICE PROCEDURE
Extension Housing: Remove & Replace
WARNING: This page is about the Sierra 1500, 2D Pickup, 4.3 X, 4WD, Automatic, which is a different variant/trim than selected.
TRANS ID - 6L50, 6L80E, 6L90E
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 1500,4WD, Transfer Case Adapter,w/o Skid Plate | Includes: R&I Transfer Case Assembly. | 2.8 | B | |
| 1500,4WD, Transfer Case Adapter,w/Skid Plate | Includes: R&I Transfer Case Assembly. | 3.1 | B |
TRANS ID - 700-R4, 4L60, 4L60E, 4L65E, 4L70E
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 1500, One Piece Driveline | 0.9 | B | ||
| 1500, Two Piece Driveline | 1.0 | B |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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