I purchased a gallon VW G12 coolant at my local VW dealer today. Here are a couple of pictures of what $22.95 + tax buys at the VW dealer.
VW G12 Coolant
- Thread starter wavinwayne
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http://theoildrop.server101.com/ubb/ultimatebb.php?ubb=get_topic;f=37;t=000161#000000
VW G12 is what BASF calls G30 Glysantin. It's one of three DexCool type coolants:
G 30 - New generation of coolants for VW
G 33 - Approved by Peugeot, Citroen
G 34 - Approved by Opel/GM Europe, Saab
All three are mono ethylene glycol with inhibitors and the differences between them chemically are so small that you can't get a piece of paper between them.
The DexCool coolant sold in the U.S. for GM cars is compatible and cheaper.
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Is Glysantin G 30 the same as VW G 12 Plus (purple)?
G05 approvied by Chystler and ?? and according to Zerox is good for Subaru.
Is this the same as G-48 Blue zerex/BMW coolant?
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How can VW G12 and Glysantine 30 be essentially the same? VW G12 must not be mixed with VW G11, while VW G12 Plus can be mixed with VW G12 or VW G11.
JHZR2
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G34 is the only one that carries the dex cool GM approval (GM6644M or something like that). Not sure if it matters though...
JMH
from the BASF website, http://www.basf.de:
GLYSANTIN ® G 30 (VW)
Reserve alkalinity of 10 ml, ASTM D 1121, 8-11
Density, 20 °C, DIN 51 757 procedure 4, 1.122-1.125
pH-value, ASTM D 1287, 8.2-8.6
GLYSANTIN ® G 33 (Peugeot, Citroen)
Reserve alkalinity of 10 ml, ASTM D 1121, 12-14
Density, 20 °C, DIN 51 757 procedure 4, 1.135-1.145
pH-value 50 vol%, ASTM D 1287 7, 6-8.0
GLYSANTIN ® G 34 (GM)
Reserve alkalinity of 10 ml, ASTM D 1121, 3.5-5.5
Density, 20 °C, DIN 51 757 procedure 4, 1.11-1.12
pH-value, ASTM D 1287, 8.4 - 9.0
So the GM spec G 34 appears to be in the same ball park, but with lower reserve alkalinity.
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Kestas
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