Neon L4-2.0L SOHC (1995)
PROM - Programmable Read Only Memory: Customer Interest
PCM - Idle Roughness/Steering Wheel Shake
NO: 18-07-94 Rev. A
GROUP: Vehicle Performance
DATE: Jul. 22, 1994
SUBJECT:
Idle Roughness Accompanied by Steering Wheel Shake
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-07-94 DATED APR. 29, 1994 WHICH SHOULD BE REMOVED FROM
YOUR FILES. THIS BULLETIN REVISES STEP 15 AND 20. THE CHANGES ARE HIGHLIGHTED WITH **ASTERISKS** .
MODELS:
1995 (PL) Neon
NOTE:
THIS BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO APRIL 6, 1994 (MDH 04-06-XX).
SYMPTOM/CONDITION:
Rough running engine during idle accompanied by steering wheel shake.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Scan Tool (DRB III) with the appropriate Diagnostic Procedure Manual, verify that all engine
systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order for future reference, repair as
necessary, and also perform the following repair.
If no codes are present and all systems are functioning correctly, perform the following repair.
EQUIPMENT/PARTS REQUIRED:
NOTE:
THE MOPAR DIAGNOSTIC SYSTEM IS REQUIRED TO PERFORM THE FOLLOWING REPAIR AND THE SYSTEM MUST BE
OPERATING WITH RELEASE 13 OR HIGHER.
REPAIR PROCEDURE:
This repair involves selectively erasing and reprogramming the powertrain control module with new software (calibrations), installing a steering wheel
damper, replacing the steering wheel clockspring, and, on air conditioning equipped cars, replacing the cooling module lower mounting bushings.
1.
Place the front road wheels in the straight ahead position. Rotate the steering wheel one half turn (180 degrees) to the right (clockwise). Lock the
column with the ignition lock cylinder.
WARNING:
BEFORE BEGINNING ANY AIR BAG SYSTEM COMPONENT REMOVAL OR INSTALLATION PROCEDURE, DISCONNECT AND
ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE. THIS WILL DISABLE THE AIR BAG SYSTEM. FAILURE TO DISCONNECT
THE BATTERY COULD RESULT IN ACCIDENTAL AIR BAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY. ALLOW SYSTEM
CAPACITOR TO DISCHARGE FOR 2 MINUTES BEFORE REMOVING ANY AIR BAG COMPONENTS.
2.
Disconnect and isolate the battery negative cable. Wait two minutes for the reserve capacitor to discharge.
