Safari Van M V6-262 4.3L VIN Z TBI (1990)
Technical Service Bulletin # 90C106B
Date: 900501
Campaign - Oil Cooler Outlet Hose Improperly Seated
GMC NUMBER:
90-C-10
GROUP:
6B Engine Cooling
DATE:
May, 1990
SUBJECT:
ENGINE OIL COOLER LINE FITTING
MODELS:
1990 L-VAN WITH KC4 ENGINE OIL COOLER
CONTENTS OF THIS BULLETIN SENT TO DEALERS VIA DCS MESSAGE ON FEBRUARY 9, 1990
NOTE:
ADDITIONAL VINS ADDED TO "VEHICLES INVOLVED" SINCE DCS MESSAGE WAS SENT
Certain early 1990 L-Vans equipped with an engine oil cooler have a fitting on the oil cooler outlet hose that may not be properly seated. If this fitting
disconnects it can result in rapid loss of engine oil and possible engine damage. To assure that the fitting is properly seated, it will be necessary to
disconnect the hose assembly and reconnect it properly.
Vehicle, Dealer, Owner Information
Involved are certain early 1990 L-Vans equipped with an engine oil cooler that has a quick connect fitting. Dealer codes and vehicles involved and
requiring inspection/repair are listed below: