mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

A/T - AODE/4R70W Delayed or No Forward Engagement|Page 4760 > < A/T - AODE No 1st to 2nd Upshift/Shifts 1st to 3rd|Page 4754
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Clutch: Customer Interest
A/T - AODE/4R70W Delayed or No Forward Engagement

Article No. 
94-26-9

12/26/94

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TRANSMISSION - AODE/4R70W - DELAYED OR NO FORWARD ENGAGEMENT

^

TRANSMISSION - AODE/4R70W - LOSS OF FORWARD AND REVERSE ENGAGEMENT AND/OR HIGHER ENGINE RPM THAN
EXPECTED ON ACCELERATION FROM A STOP

FORD:
1992-94 CROWN VICTORIA 
1994 MUSTANG, THUNDERBIRD

LINCOLN-MERCURY: 
1992-94 GRAND MARQUIS, TOWN CAR 
1993-94 MARK VIII 
1994 COUGAR

LIGHT TRUCK:
1994 E-150, F-150, F-250

ISSUE:
Some vehicles may have one or more of the following concerns:

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No forward engagement

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Delayed forward engagement

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No reverse engagement

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Higher engine RPM than expected on acceleration from a stop

This may be caused by:

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A cross leak between the forward and reverse clutch circuits in the main control during high engine speeds in reverse (e.g., 3000+ RPM for vehicles
stuck in snow, sand, mud or other similar conditions).

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Wear of the Stator Support Rear Bushing causing wear of the # 4 Seal Ring and resulting in Forward Clutch and/or Overdrive Band damage.

ACTION:
Refer to the following Service Procedure to determine the proper part replacement.

SERVICE PROCEDURE

A/T - AODE/4R70W Delayed or No Forward Engagement|Page 4760 > < A/T - AODE No 1st to 2nd Upshift/Shifts 1st to 3rd|Page 4754