Fulltext TSBs

Technical Service Bulletins

TSB
04-1-6
  • NOISE – DRIVELINE CLUNKING/GRUNTING NOISE OR SHUDDER SENSATION DURING LIGHT TO MODERATE ACCELERATION AND/OR BRAKING
  • TRANSMISSION – DRIVELINE CLUNKING/GRUNTING NOISE OR SHUDDER SENSATION DURING LIGHT TO MODERATE ACCELERATION AND/OR BRAKING
Publication Date: January 15, 2004

FORD:
1998-2004 F-150

ISSUE:

Some 1998-2004 F-150 4X4 vehicles with a one piece drive shaft may exhibit a clunking or grunting noise and/or a shudder sensation from the driveline. The condition will typically occur during light to moderate acceleration from a stop and/or braking. This may be caused by the slip yoke not sliding smoothly on the transfer case output shaft splines.

ACTION:

To service, lubricate the slip yoke with Teflon Grease (D2AZ-19590-A). Refer to the following Service Procedure.

SERVICE PROCEDURE

  1. Road test the vehicle to verify the condition.
  2. Remove the driveshaft per Section 205-01 of the Workshop Manual.

    NOTE:INDEX (MARK) THE DRIVESHAFT YOKE TO AXLE FLANGE FOR REASSEMBLY.

  3. Lubricate the slip yoke with 7-13 grams (0.25-0.46 oz.) of Teflon Grease (D2AZ-19590-A).
  4. Re-index and reinstall the driveshaft per Workshop Manual.
  5. Check the transfer case fluid level and add MERCON Automatic Transmission Fluid XT-2-QDX if necessary.
  6. Road test to verify the condition is corrected.

PART NUMBERPART NAME
D2AZ-19590-ATeflon Grease

OTHER APPLICABLE ARTICLES:

NONE

WARRANTY STATUS:

Eligible Under Provisions Of New Vehicle Limited Warranty Coverage

OPERATIONDESCRIPTIONTIME
040106ALubricate The Slip Yoke With Teflon Grease Vehicles With One-Piece Driveshaft (Includes Time To Remove And Install Driveshaft)1.0 Hr.

DEALER CODING

BASIC PART NO.CONDITION CODE
460242