SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 484 (PROPELLER SHAFT AND UNIVERSAL JOINTS)REPAIR INSTRUCTIONSPROPELLER SHAFT REPLACEMENT - TWO PIECEINSTALLATION PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Installation Procedure

1999 GMC Forward Control 5.7 R, 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.
  1. Inspect the splines of the front propeller shaft stub shaft for a sufficient coating of grease. If the splines of the stub shaft does not have a sufficient coating of grease, lubricate the shaft with chassis grease (GM P/N 12377985 or equivalent).
  2. Install the front propeller shaft to the transmission or the transfer case lining up the index splines.
  3. Install the rear propeller shaft with the center bearing. Ensure the spline of both front and rear shaft mesh.
  4. Install the rear propeller shaft to the rear axle pinion flange/yoke.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Install the yoke retainers and/or the bolts as necessary.

    Tighten 

    • Tighten the yoke retainer bolts to 20 N.m (15 lb ft) (single universal joint type).
    • Tighten the flange bolts to 45 N.m (33 lb ft) (double cardan joint type).
    Fig 1: Installing Yoke Retainers And/Or Bolts
    G01467844Courtesy of GENERAL MOTORS CORP.

    Important:  The center bearing must be aligned in order to prevent damage to the propeller shaft assembly. When bolting the center bearing in place, be sure to keep the center perpendicular (89-91 degrees) to the propeller shaft.

  6. Install the bolts of the center bearing to the crossmember.

    Tighten 

    Tighten the center bearing support bolts and nuts to 70 N.m (50 lb ft).

  7. Lower the vehicle.
    Fig 2: Installing Bolts Of Center Bearing To Crossmember
    G01467845Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.