Fulltext TSBs

Technical Service Bulletins

TSB
07-16-17
  • SPARK KNOCK UNDER LIGHT LOAD AND ACCELERATION – 3.8L, 3.9L, AND 4.2L – SPLIT PORT INTAKE MANIFOLD RUNNER CONTROL (IMRC)
Publication Date: August 7, 2007

FORD:
2001-2004 Mustang
1996-2003 Windstar
1997-2003 E-150
1997-2008 F-150
2004-2007 Freestar
MERCURY:
2004-2007 Monterey

ISSUE:

Various vehicles equipped with a 3.8L, 3.9L or 4.2L engine and Split Port IMRC may exhibit spark knock under light load and acceleration.

ACTION:

Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

Inspect for disconnected IMRC actuator rods.

  1. Check both right hand and left hand side IMRC rods are properly attached to the actuator motor and intake manifold runner.
  2. If the IMRC actuator rods are found to be connected properly, do not continue with this TSB. Refer to Powertrain Control/Emission Diagnosis Manual.
  3. If any IMRC actuator rods are disconnected, refer to Workshop Manual (WSM), Section 303-14 for IMRC service.
  4. If any IMRC actuator rod linkages are found disconnected, replace all four (4) linkage rod retainers. (Figure1)


    Figure 1 – Article 07-16-17


PART NUMBERPART NAME
F5RZ-9F955-ABRetainer – Actuator Side (2 Required – White Color)
6F2Z-9F955-ARetainer – Runner Side (2 Required – Red Color)

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
MT071617Use SLTS Operations If Available; Claim Additional Diagnosis Or Labor Performed As Actual TimeActual Time

DEALER CODING

BASIC PART NO.CONDITION CODE
9F95533