A/T - Engine Stalls When Placed Into Gear
88chevy04Number: 88-132-7A
Section: 7A
Date: JAN., 1988
Subject: ENGINE STALLS WHILE ENGAGING REVERSE OR DRIVE
Model and Year: 1987-88 MODELS WITH THM 125C TRANSAXLES
FIGURE 1 - THM 125/125C TRANSAXLE IDENTIFICATION INFORMATION:
TO: ALL CHEVROLET DEALERS
A new design auxiliary valve body incorporating a new filter in the TCC feed passage entered production March 9, 1987, (Julian Date 068, Figure 1). The new valve body and filter will reduce the potential of TCC solenoid sticking and the resulting condition of engine stall while shifting into reverse or drive.
FIGURE 2 - AUXILIARY VALVE BODY FILTER:
FIGURE 3 - AUXILIARY VALVE BODY GASKET:
The new auxiliary valve body (Figure 2 and 3), is not interchangeable with models built prior to Julian Date 068. The past design auxiliary valve bodies are not machined to allow for installation of the new filter.
SERVICE PARTS INFORMATION
Package No. Contents
8664921 Gasket, Auxiliary Valve Body
Gasket, Auxiliary Valve Body (8KDC ONLY) Filter, Auxiliary Valve Body Gasket, Valve Body Cover Instruction Sheet