C 30 P/U 2WD V8-379 6.2L DSL (1985)
Diesel MFI Pump: All Technical Service Bulletins
Fuel - Diesel Injection Pump Governor Weight Retainer
85-105
6C
JULY, 1985
Subject:
DIESEL INJECTION PUMP GOVERNOR
WEIGHT RETAINER
Model and Year:
1982-85 C,K,G,P - 10-30 WITH 6.2L
DIESEL ENGINE
TO:
ALL CHEVROLET DEALERS
A new governor weight retainer assembly, referred to as an "Elastomer Insert Drive" (EID) is available for 1982-85 model injection pumps. This drive
mechanism consists of six viton rubber inserts in a self-contained drive mechanism. The assembly is interchangeable with the retainer assembly* used on
1982-85 model 6.2L diesel injection pumps.
The new EID assembly offers improved durability and heat resistance, and should be used when the repair to 1982-85 pumps involves removal of the
governor weight retainer assembly. Any technician trained to install a governor weight retainer ring can install an EID (the time allowance for the repair
is unchanged).
NOTICE:
Never clean or soak the EID in a caustic solution. If necessary to clean, use diesel fuel or calibrating fluid only.
It is imperative that pumps reworked with the EID assembly be identified to assist in future diagnosis if a pump problem is encountered. It is extremely
difficult to tell the difference between the drives once they are installed in the pump. A metal tag with the letter "E" is supplied in the package. Install
this metal tag under the cover screw on the right front cover of the pump. The tag should be placed between the flat washer and the star washer. The star
washer should be next to the cover.
Pumps that are within the 12-month/12,000 mile warranty period that are sent to a Roosa Master Dealer will have the new EID installed UPON
REQUEST. Roosa Master Dealers, in addition to the metal tag, will also stamp the body of the pump with the letter "E". This identification will be
located on top of the wrench boss on the front of the pump.
PARTS INFORMATION:
Repair kits are available from either WDDGM or a Roosa Master Dealer.
WDDGM Part Number is 22529991.
*
The rubber inserts are not interchangeable with the pellathane ring.
For other models and model year usage, refer to Chevrolet Dealer Service Bulletin 84-237 issue February, 1985.
