A/T - 3 to 2 Coast Down Clunk

Number: 93-234-7A
Section: 7A
Date: JUNE 1993
Corporate Bulletin No.: 377125
ASE No.: A2

Subject:
3-2 COAST DOWN CLUNK

Modal and Year:
1993 CAMARO WITH 5.7L ENGINE AND 4L60 AUTOMATIC TRANSMISSION

CONDITION:
Some vehicles equipped with a 1993 HYDRA-MATIC 4L60 transmission built before February 8, 1993 (Julian Date 039) may exhibit a 3-2 coast down clunk.

CAUSE:
A revised 3-2 calibration has been released for the 4L60 transmission.

CORRECTION:
To eliminate the 3-2 coast down clunk install a new valve body spacer plate.

DESCRIPTION PART NO.

Valve Body Spacer Plate 8686065

NOTE:
1993 HYDRA-MATIC 4L60 transmissions built on or after February 8, 1993 (Julian Date 039) have been assembled with a new valve body spacer plate.

Parts are currently available from GMSPO.