Engine Cooling System - Sealer Usage
BULLETIN NO.: 97-T-40AISSUE DATE: August, 2001
CATEGORY TYPE: ENGINE - 08
CATEGORY: Cooling
CORPORATION NO.: 01-06-02-007
SUBJECT:
Information on Engine Cooling System Sealer Usage
Due to changes to Models Affected and additional information, this bulletin has been revised and supersedes bulletin 97-T-40, which should be discarded.
MODELS AFFECTED:
1991 - 2002 Saturn Vehicles
PURPOSE:
The purpose of this bulletin is to provide revised recommendations concerning the use of Engine Cooling System Sealer in Saturn vehicles Containing DEX-COOL(R).
Saturn Engine Cooling System Sealer (P/N 21007224) is compatible with both DEX-COOL(R) (orange) coolant and Ethylene Glycol (green) coolant.
Cooling System Sealer provides two primary benefits to the cooling system:
^ In engines using Ethylene Glycol (green) coolant, the sealer helps to clean deposits from the water pump seal preventing potential leaks and,
^ In engines using either Ethylene Glycol (green) coolant or DEX-COOL(R) (orange) coolant, the sealer prevents minor coolant leaks due to porosity in the cast aluminum cylinder head.
Whenever the engine cooling system is drained for maintenance or other repairs, add one 10-gram pellet of Engine Cooling System Sealer with the new engine coolant.
Vehicles designed and built to use DEX-COOL(R) (refer to table) extended life coolant are equipped with specially designed cooling system components. These vehicles should only be serviced with DEX-COOL(R).
Vehicles built with ethylene glycol (refer to table) should only be serviced with ethylene glycol coolant.
NOTICE:
Mixing DEX-COOL(R) with ethylene glycol in a Saturn engine could result in damage to the engine and its cooling system components. If a Saturn vehicle, designed to use Saturn non-phosphate ethylene glycol (green) engine coolant is contaminated with DEX-COOL(R), the engine cooling system must be drained, flushed with clean water and refilled with Saturn ethylene glycol coolant.
DISCLAIMER