Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
FIGURE 2
DATE OF PRODUCTION CHANGE:
(Figure No. 1)
Beginning January 5, 1987 (Julian date 005) THM 700-R4 transmissions were built with the new servo apply pin (Figure No. 2).
SERVICE ACTION:
The new second servo apply piston pin (Figure No. 2) can be used on all 1982-1988 THM 700-R4 transmissions.
NOTICE:
If a past design second servo apply pin is used on a THM 700-R4 transmission, seal rings must be installed.
SERVICE PARTS INFORMATION:
SECOND SERVO APPLY PIN
PART
NUMBER
DESCRIPTION
PIN LENGTH
8667571
Pin Second Apply
66.37-66.67 mm (2.61" - 2.62")
(2 IDENTIFICATION RINGS)
8667572
Pin Second Apply
66.74-68.04 mm (2.67" - 2.68")
(3 IDENTIFICATION RINGS)
8667573
Pin Second Apply
69.11 -69.41 mm (2.72" - 2.73")
(WIDE BAND)
