A/T - 700R4 Redesigned Valve Body
SIL 85-38SUBJECT: 700 R4
VALVE BODY
ADDITIONAL INFORMATION ON THE NEW DESIGN CONTROL VALVE BODY ASSEMBLY REFERENCED IN TRUCK SERVICE BULLETIN 85-B-18
1982-1985 LIGHT DUTY MODELS WITH 700-R4 AUTOMATIC TRANSMISSIONS
A new design Control Valve Body Assembly is referenced in Truck Service Bulletin 85B-18.
1. The new design Control Valve Body Assembly was used in production starting on January 15, 1984, (Julian date 015) and is identified by one of two ways:
A. Casting number 2264 with a letter "X" (see Figure No.1).
-OR-
B. Casting number 4256 (see Figure No. 2).
2. The past design Control Valve Body Assembly (or build dates prior to Julian date 015 of 1984) is identified by the casting number 2264 without an
ALL CONTROL VALVE BODY ASSEMBLIES ORDERED FROM THE WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS (WDDGM) ARE OF THE LATEST DESIGN AND WILL BE IDENTIFIED AS INDICATED IN ITEM 1, A. or B.