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 MANUALSCHEVROLET2000CAB & CHASSIS C2500, 6.5 F, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 921 (TRANSFER CASE - NVG 233-NP1 (TWO SPEED SELECTABLE))REPAIR INSTRUCTIONSTRANSFER CASE ADAPTER REPLACEMENTINSTALLATION PROCEDURE

2000 Chevrolet Cab & Chassis C2500, 6.5 F, Automatic

Installation Procedure

2000 Chevrolet Cab & Chassis C2500, 6.5 F, AutomaticSECTION Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Important: Do not reuse the old gasket if it is damaged, replaced it. Do not use any type of sealer in place of the gasket.

Install the new transfer case adapter seal.
Install the transfer adapter to the transmission.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the transfer case adapter mounting bolts to the transmission.
Tighten

Tighten the transfer case adapter mounting bolts to 55 N.m (40 lb ft).

Fig 1: Installing New Transfer Case Adapter Seal
Courtesy of GENERAL MOTORS CORP.
Install the new transfer case gasket.

Fig 2: Installing New Transfer Case Gasket
Courtesy of GENERAL MOTORS CORP.
Install the transfer case assembly. Refer to TRANSFER CASE ASSEMBLY REPLACEMENT .

Fig 3: Installing Transfer Case Assembly
Courtesy of GENERAL MOTORS CORP.

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.