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All Technical Service Bulletins: > < Fluid - A/T|Capacity Specifications|Page 2683
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Fluid Pump: Customer Interest
A/T - Delayed/Erratic Upshifts

Group:

37

Number:

91-03

Date:

March 31, 1991

Subject:

Automatic Transmission 087/089 Delayed/Erratic Upshifts

 
Model(s): All

MY All

ATF pump

Condition:

1)

Excessive wear in ATF pump piston grooves (arrow)

2)

Worn ATF pump piston rings

Production:

ATF pump assembly modified beginning with transmission number 02119.

As of:

November 1989

VIN:

8A_LA120142 
44_LN037371

Service:

Replace ATF pump and direct/reverse clutch housing.

Improved parts available as spare parts. Part numbers unchanged.

All Technical Service Bulletins: > < Fluid - A/T|Capacity Specifications|Page 2683