Ignition System - Cross Fire/Ignition Wire Induction: Overview

NO: 18-48-98

GROUP: Vehicle Performance

DATE: Dec. 30, 1998

SUBJECT:
Ignition System
Cross Fire/Secondary
Ignition Wire Induction

MODELS:

1994 - 1999 (AN) Dakota
1994 - 1999 (BR/BE) Ram Truck
1998 - 1999 (DN) Durango
1995 - 1998 (ZG) Grand Cherokee (International Market)
1994 - 1998 (ZJ) Grand Cherokee

NOTE:
THIS INFORMATION APPLIES TO VEHICLES EQUIPPED WITH A 3.9L, 5.2L, OR 5.9L ENGINE.

AB MODELS WILL BE ADDED LATER (NEW PARTS REQUIRED).

SYMPTOM/CONDITION:

Some vehicles may exhibit one or more of the following:

Spark knock complaints when the vehicle is under load.

Various single cylinder misfire (1, 3, 7), especially 5 and/or 8.

Surge in 4th gear with the Electronically Modulated Converter Clutch (EMCC) engaged (around 45 mph).

Perceived torque converter EMCC engagement/disengagement around 45 mph.

DIAGNOSIS:

Using the Mopar Diagnostic System (MDS/MDS 2) or the Diagnostic Scan Tool (DRB III(R)) with the appropriate Diagnostic Procedures Manual, verify all engine/transmission systems are functioning as designed. If other than mentioned Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and repair as necessary before proceeding further with this bulletin. If no DTC's are present or if the above symptoms/conditions have been described by the customer, perform the Repair Procedure.

NOTE:
THIS REROUTING PROCEDURE SHOULD BE PERFORMED BEFORE ANY OTHER MISFIRE, SURGE, OR SPARK KNOCK REPAIRS ARE ATTEMPTED.

PARTS REQUIRED:

3 56028186 Clip, Single Wire
2 06503441 Clip, Wire To Hose (5.2L & 5.9L)
1 04364375 Convolute, 10 ft Roll


POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

Labor Operation No: 08-12-15-92 - 3.9L (All) 0.2 Hrs.

08-12-15-93 (ZJ) 5.2/5.9L 0.2 Hrs.
(AN/DN) 5.2/5.9L 0.3 Hrs.
(BR/BE) 5.2/5.9L 0.4 Hrs.

FAILURE CODE: 9X - Routed Improperly