Firebird V8-305 5.0L (1982)
Fluid Pump: All Technical Service Bulletins
A/T Pump Body Assembly - Revised
Number
83-I-64
Section 7 Date 04/83
Subject:
NEW DESIGN PUMP BODY ASSEMBLY - 1982 AND 1983 THM 200-C
Beginning in early March 1983, a new design pump body assembly went into production at Hydra-Matic Division for all 1982 and 1983 THM 200-C
transmissions used in Firebird vehicles. The new design pump
body assembly has the pressure relief port removed from the body casting (see illustration).
If a 1982 or 1983 THM 200-C transmission used in a Firebird vehicle requires a pump body assembly, order the service parts listed below:
Pump
Pump
MODEL
BODY
COVER
C7,CN,CO,CK,CB,CW,HB,HF,
8638922
8633958
HH, HL, PS, C9, CS, HO & JJ
The new design pump body casting will have part number 8648111 cast into it.. Verify that you have the correct part before installing it into the vehicle..