Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Band Apply Servo: Technical Service Bulletins
A/T - New Servo Apply Pin
GMC NUMBER:
88-T-44
GROUP:
7A - Automatic Transmission
DATE:
September, 1987
CORPORATE
NUMBER:
867105
SUBJECT:
NEW SERVO APPLY PIN
MODELS:
1982 - 88 LIGHT DUTY MODELS EQUIPPED WITH THM 700-R4 AUTOMATIC
TRANSMISSIONS
BULLETIN COVERS:
This bulletin covers changes to the second servo apply pin that eliminated the two ring seals. This change reduces the potential for seal damage during
assembly. Testing has shown that any potential leakage in this area with the new design pin will not affect transmission performance.
FIGURE 1 - THM 700-R4 TRANSMISSION IDENTIFICATION INFORMATION
