Fulltext TSBs

Technical Service Bulletins

TSB
08-8-9
  • GRINDING NOISE FROM CLIMATE CONTROL – CHANGING AIR DISTRIBUTION MODES – BUILT AFTER 11/29/2005
Publication Date: April 15, 2008

FORD:
2005-2008 F-150
LINCOLN:
2006-2008 Mark LT

ISSUE:

Some 2005-2008 F-150 (excludes Heritage) and 2006-2008 Lincoln Mark LT vehicles built after 11/29/2005 may exhibit a grinding noise from the climate control system while changing air distribution modes.

ACTION:

Perform the following Service Procedure to correct the condition.

SERVICE PROCEDURE

  1. Set control head to panel mode.

    NOTE:DO NOT ENERGIZE THE MODE DOOR MOTOR WITHOUT IT BEING CONNECTED TO THE UPPER PLENUM.

  2. Leaving the motor plugged in and installed to the cam plate, remove the four bolts that attach the cam plate to the upper plenum. (Figure 1)


    Figure 1 – Article 08-8-9

  3. Remove cam plate.
  4. Remove cam.
  5. Clean all existing lube from cam.
  6. Liberally apply Motorcraft® PTFE Lubricant to the cam tracks. (Figure 2)


    Figure 2 – Article 08-8-9

  7. Reassemble components in reverse order of removal.
  8. Cycle the control head from panel to defrost mode a few times until the noise is eliminated.

PART NUMBERPART NAME
XG-8Motorcraft® PTFE Lubricant

WARRANTY STATUS:

Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

OPERATIONDESCRIPTIONTIME
080809A2005-2008 F-150, 2006-2008 Mark LT: Remove Distribution Mode Door Cam and Replace Cam Lubricant.0.4 Hr.

DEALER CODING

BASIC PART NO.CONDITION CODE
1847141