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 MANUALSCHEVROLET2001ASTRO VAN L AWD V6-4.3L VIN WREPAIR AND DIAGNOSISAPPLICATION AND IDTRANSFER CASE IDENTIFICATION
2001 Chevrolet Astro Van L AWD V6-4.3L VIN W
Transfer Case Identification
2001 Chevrolet Astro Van L AWD V6-4.3L VIN WSECTION Transfer Case Identification
Transfer Case Identification
An identification tag is attached to the rear half of the transfer case. The tag provides the following information:
1. Model number (1)
1. First Digit-1 =Single Speed, 2=Two-Speed
2. Second Digit-2 = T Utility, 3 =T-Truck, L-Van, 4 or 6 = K Truck and Utility
3. Third Digit-1 = Manual, 3 = Electric Shift, 6 = Automatic, 9 = All Wheel Drive
2. Assembly number (2)
3. Serial number (Date and Shift Code) (3)
4. Low range reduction ratio (4)
The information on this tag is necessary for servicing the transfer case. If the tag is removed or becomes dislodged during service operations, keep the identification tag with the unit.
RENDER: 1.0x
NO RELATED
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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.