Ignition System - MIL ON/Misfire/Misfire DTC's Set
NUMBER: 18-024-06GROUP: Vehicle Performance
DATE: July 21, 2006
THIS BULLETIN IS BEING PROVIDED IN ADVANCE. DO NOT ORDER PARTS OR PERFORM ANY ACTIONS RELATED TO THIS BULLETIN UNTIL JULY 31, 2006.
SUBJECT:
Engine Cylinder Misfire Or Ignition Coil Malfunction During Heavy Rain Or Car Wash
OVERVIEW:
This bulletin involves replacement of the cowl screen.
MODELS:
2004-2006 (HB) Durango
NOTE:
This bulletin applies to vehicles equipped with 3.7L, 4.7L, or a 4.7L FFV engines (sales code EKG, EVA, and EVD respectively).
SYMPTOM/CONDITION:
The customer may experience a MIL illumination during heavy rain or car wash conditions.
This condition may be due to an excessive amount of water overrunning the cowl screen and running onto the engine.
Further investigation may reveal that the MIL illumination was caused by one or more of the following Diagnostic Trouble Codes (DTC's):
DIAGNOSIS:
1. If the vehicle model year is either 2004 or 2005 (built before December 06, 2004), then refer to Service Bulletin (SB) 18-006-05 REV. A. Verify that the 18-006-05 REV. A has been performed prior to proceeding further.
2. If the condition is present perform the Repair Procedure.
PARTS REQUIRED:
REPAIR PROCEDURE:
1. Set the wipers to the park position. Turn the ignition switch to the "OFF" position.
2. Disconnect and isolate the negative battery cable from the battery.
3. Remove both front windshield wiper arms from the vehicle.
4. Remove the cowl screen attaching screw at each end (side) of the cowl screen.
5. Remove the washer hose from the slot at the left (driver) side of the cowl screen panel.
6. Remove the five (5) plastic push pins from the cowl screen and discard.
7. Remove the old cowl screen and discard.
8. Install the new cowl screen to the vehicle and plenum chamber area.
9. Install the washer hose into the slot at the left (driver) side of the new cowl screen panel.
10. Verify that the rubber seal along the trailing (back) edge of the new cowl screen is fully seated to the windshield.
11. Install five (5) new plastic push pins (with seals).
12. Verify that all five (5) new push pins are FULLY SEATED to the cowl screen.
13. Install both cowl screen attaching screws.
14. Install both windshield wiper arms. Tighten attaching nuts to 41 Nm (360 in. lbs.).
15. Connect the negative battery cable to the battery.
16. Verify proper wiper action and set clock to correct time.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.