Vanagon F4-1970cc 2.0L (1982)
Coolant: Technical Service Bulletins
Coolant - Revision
Group: 19
Number: 96-01
Date: Oct. 30, 1996
Subject:
New Coolant
Model(s):
All Watercooled
All m.y.
Production
A new coolant, G 012 A8D A1 is being used in production as follows:
^
German production:
from 07.96
^
Mexican production:
running change scheduled for 01.97
Coolant G 012 A8D A1 is red in color.
This newly developed product permits a cooling system fill that lasts the service life of the engine and was designed with all-aluminum engines in mind.
Advantages:
^
Improved corrosion protection
^
Improved thermal stability
^
Improved heat transfer/control
^
Improved hard water tolerance
^
Improved environmental protection
CAUTION!
G 012 A8D A1 must NEVER be mixed with ANY other coolant. Engine damage will result!
Contamination of G 012 A8D A1 with other colored coolants is identifyable by discoloration (brown , purple etc.). This mixture causes a foamy deposit
to appear in the expansion tank/radiator.
This mixture is to be drained immediately and the cooling system flushed as described in this bulletin.
Flushing procedure:
Engine at operating temperature (older vehicles with heater valve: heater on).
-
Drain coolant --> Repair Manual, General Engine, Repair Group 19.
-
Apply compressed air to expansion tank or radiator to blow out remaining coolant.
-
Close cooling system, fill with distilled water.
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Run engine for a minimum of 2 minutes.
-
Drain water and apply compressed air to expansion tank as before.
-
Close cooling system and fill with appropriate mixture ratio of G 012 A8D A1 and distilled water --> Repair Manual, General Engine, Repair Group
19.