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#1
10-08-2010, 08:26 PM
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Diesel Water Wetter
Those of you that use DWW, how much do you use?
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#2
10-09-2010, 05:20 PM
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I haven't used that stuff in along time, but the website says that one bottle will treat 3 to 5 gallons of coolant.
__________________
1987 300D 146K Original #14 Head One eye on the road, the other on the temp. gauge Gone But Not Forgotten 1983 380 SEL Long gone 1983 300SD Wish I hadn't traded it in on a 90' Corvette 1989 300SE My all time favorite 1995 E420 Went like a bullet
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#3
10-09-2010, 05:29 PM
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The website also says that diesel road cars should use the regular Water Wetter since Diesel Water Wetter lacks the rust and corrosion inhibitors that regular Water Wetter has.
__________________
'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate Sooner or later every car falls apart, ours does it later! -German Narrator in a MB Promotion Film about the then brand new W123.
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#4
10-09-2010, 10:05 PM
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I use 1/2 bottle of the diesel water wetter in my Mercedes. The pH buffers et al are already in the Mercedes coolant, so I don't see the point in using the regular Water Wetter.
__________________
 Gone to the dark side - Jeff
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#5
10-10-2010, 05:58 PM
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Quote:
babymog, have you seen a difference on the temp gauge? My temp consistently runs 85-90 and has never went above 100. I would like to get those temps down to 80-85.
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#6
10-10-2010, 09:59 PM
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I don't believe that you will get it below normal unless you install a colder thermostat, which would be bad for the engine in general.]
Also, there is some variation between gauges and sending units, and both are likely nearly 30years old on your car.
__________________
Gone to the dark side - Jeff
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#7
10-11-2010, 01:34 PM
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I put WW in mine but I didn't see any difference.
__________________
1993 W124 300D 2.5L Turbo, OM602.962 2000 Chevrolet Cavalier, 2.4L DOHC 2002 Ford Explorer, 4.0L SOHC 2005 Toyota Prius, 1.5L http://www.fuelly.com/sig-us/40601.png
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#8
10-11-2010, 02:10 PM
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I only add it to help prevent cavitation pitting, not for any cooling problem. If you have a cooling problem then this would at best be a temporary fix.
In my coaches, I notice hotter water in the heat exchangers (domestic water heater dribbles from the T&P valve, doesn't without water wetter) and hotter air from the heaters, not sure whether I am getting hotter air at the heater/defroster in the Mercedes, but did notice that the heated washer-fluid bottle boils dry fast when using water wetter (presumably from higher heat-transfer heating the fluid more).
__________________
Gone to the dark side - Jeff
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