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 MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 652 (REAR DRIVE AXLE)REPAIR INSTRUCTIONSTORQUE TUBE ASSEMBLY REPLACEMENTREMOVAL PROCEDURE

1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Removal Procedure

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle.
Position a jack stand under the front of the rear differential and firmly secure the differential to the jack.
Remove the front propeller shaft. Refer to Propeller Shaft Replacement in Propeller Shaft.

Fig 1: Torque Tube And Components

Courtesy of GENERAL MOTORS CORP.

Remove the bolts (5) from the torque tube bracket (4).
Loosen, but do not remove, the torque tube-to-bracket through bolt (7) and nut (1).

Fig 2: Identifying Torque Tube-To-Differential Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the torque tube-to-differential bolts (1).

Fig 3: View Of Torque Tube & Differential Pinion Shaft

Courtesy of GENERAL MOTORS CORP.

Pull the torque tube (1) toward the front of the vehicle in order to disengage the torque tube from the differential pinion shaft.
Remove the torque tube from the differential (2).

Fig 4: View Of Drive Pinion Housing Oil Seal

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.