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Old 05-01-2001, 10:36 AM
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Join Date: Mar 2001
Posts: 223
I have heard that water cools alot better than anti freeze, so if you use too much anti freeze = less heat transfer, but even so the thermostat should still be able to maintain a constant temp unless the radiator heat capacity is being just slightly exceeded for the normal operating temp
1996 E320
2000 C230 Kompressor
1988 190e 2.3 - 225K miles, owned for 7 years. I cannot say enough good things about this car. Very well built, even at 225 it ran like new.
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Old 05-03-2001, 07:28 PM
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today I was driving in the hot weather, the temp. went up to 105C, it has never gone that high before. so if it is ok with that or I have to do some check.....? Just wondering everything is new and installed correctlly (besides coolant misture is 2 gallons of coolant). how come it stays on higher temp.?
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Old 05-03-2001, 07:57 PM
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Join Date: Aug 1999
Location: Florida / N.H.
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Anti-freeze mixture can be checked with a standard
bulb type tester.
You are looking for 50/50 for proper cooling. Stronger and you get poor heat transfer.
A 50/50 mix will give you a reading of about -34 F. [-37C].
Check cold. If you are in warmer climates, a 70/30, water/AF is fine and will gives much better heat transfer.
Anything over 50/50 drastically reduces cooling and is
a common mistake made after doing cooling system repairs.
Best to pre-mix 50/50 whenever adding coolant.
Then you know where you are.
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Old 05-03-2001, 11:31 PM
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just wondering if just put 2 gallons of pure coolant into, will it cause any damage to system?
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Old 05-04-2001, 12:33 AM
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Driver, Mercedes-Benz
Join Date: Feb 2001
Location: Malaysia
Posts: 1,645
Putting pure coolant without water would cause some damage though not in the short term. You need water as an agent for the coolant to work effectively.

Somehow, it could be a air-lock situation, or your fan isn't kicking in as it should.
... Kerry

126 tailed by a 203, 129 leading the pack.
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