K 2500 Truck 4WD V6-262 4.3L (1988)
FIGURE NO. 5 - ALTERED J 36418-2 ON SHAFT
4.
Size each seal ring after installation onto the turbine shaft.
5.
Size all seal rings just prior to installation of pump assembly as shown in Figure No. 5.
Replacement tools will be sent to all applicable dealerships at no cost when alterations have been completed.
SERVICE PARTS INFORMATION:
Solid turbine shaft seals are not included in Overhaul Kits Part Number 8649965 (Seals and Gaskets) and 8649960 (Complete). Seals can be ordered
separately and are installed from the factory on a service 1987 model input housing and shaft assembly.
Part Number
Description
8667035
Solid Turbine Shaft Seals
(4 Required)
SERVICE MANUAL REFERENCE:
The 1987 Service Manual procedures can be used to remove and install the Input Housing and Shaft Assembly. Use the information in this bulletin to
service the Turbine Shaft Seals.
SERVICE NOTES:
IMPORTANT:
Also use the information in Truck Service Bulletins 87-T-28 and 87-T-45 when overhauling a 1987 THM 700-R4 transmission.
