Engine - Noise/Vibration/No Crank/No A/T Engagement
Article No.02-14-2
07/22/02
^ ENGINE - 4.0L OHV - POSSIBLE CRACKED
FLEXPLATE - NOISE OR VIBRATION - VEHICLES
EQUIPPED WITH AUTOMATIC TRANSMISSION
ONLY
^ ENGINE - NO CRANK - POSSIBLE CRACKED
FLEXPLATE - NOISE OR VIBRATION - VEHICLES
EQUIPPED WITH 4.0L ENGINE AND AUTOMATIC
TRANSMISSION ONLY
^ NOISE - NOISE DURING CRANKING - POSSIBLE
CRACKED FLEXPLATE - VEHICLES EQUIPPED
WITH 4.0L OHV ENGINE AND AUTOMATIC
TRANSMISSION ONLY
^ TRANSMISSION - A4LD - 4R55E - NO FORWARD OF
REVERSE ENGAGEMENT - POSSIBLE CRACKED
FLEXPLATE - VEHICLES EQUIPPED WITH 4.0L OHV
ENGINE ONLY
FORD:
1991-1996 AEROSTAR, EXPLORER, RANGER
ISSUE
Some vehicles equipped with an automatic transmission and a 4.0L OHV engine may exhibit a noise/vibration, no drive, unusual noise during cranking or a no crank condition. This may be caused by a crack in the flexplate.
ACTION
Verify that one of the conditions exists. if the condition is verified and the flexplate has been isolated as the cause, replace the flexplate with revised Service Part F1TZ-6375-BA (Figure 1). Refer to the following Service Procedure for details.
SERVICE PROCEDURE
NOTE
THIS ARTICLE DOES NOT APPLY TO ANY OTHER CONDITIONS OR COMPONENTS THAT MAY CAUSE SIMILAR SYMPTOMS AND IS ONLY WRITTEN TO COVER THESE SPECIFIC CONDITIONS.
1. Verify that one of the conditions exist; noise/vibration, no drive, unusual noise during cranking 6r a no crank condition.
2. Verify that the starter operates properly. If not, service as necessary, then recheck if one of the other conditions still exist.
3. If the one of the conditions still exist and the flexplate has been. isolated as the cause, the flexplate will have to be replaced with revised part F1TZ-6375-BA (Figure 1).
4. Following the procedures listed in the appropriate year Workshop Manual, Engine Section 03, In-Vehicle Service, Flywheel, replace the Automatic Transmission Flexplate.
5. After completing the replacement procedure, check the transmission fluid level and adjust if necessary to the proper level.
6. Verify service.
Parts Block
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 497000, 499000, 504000, 597997, 601300