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A/T - Increase in RPM During 2 to 3 Upshift

Bulletin No.: 001/94
Issued: 1/20/94
Revised

Category
K

Applicable Model/s
1991-92 Navajo

Subject:
2 - 3 SHIFT SURGE





APPLICABLE MODELS AND TRANSMISSION MODEL NUMBERS

1991 Navajo (4x2) 1992 Navajo (4x2)
91GT-AAA 92GT-CBA
91GT-AAB 1992 Navajo (4x4)
1991 Navajo (4x4) 92GT-CEA
91GT-DAA
91GT-DAB

DESCRIPTION

Some vehicles may have a slight increase in engine RPM during light throttle 2 - 3 upshifting.

The 2-3 back out spring in bore 211 of the valve body has been changed to prevent this problem.

REPAIR PROCEDURE





Remove the valve body and replace the 2-3 back out spring according to the instruction in section K of the workshop manual. See the illustration for spring location.

PARTS INFORMATION

Part Number Description Quantity

ZZL0 19 248 2 - 3 Back Out Spring 1

WARRANTY INFORMATION
(Applies To Vehicles Covered Under Normal Warranty)
Warranty Type: A
Customer Comment Code: 24
Damage Code: 97
Part Number Main Cause: ZZL0 19 248
Quantity: 1
Operation Number: K0306XRX
Labor Hours: 18 Hrs.