Radiator flush - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 02-12-2011, 01:35 PM Thread Starter
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Post Radiator flush

Hi, to all the real car owners out in the benz world. I need help, on how do I unscrew the radiator plug on a 1996 S500 to drain the fluid? Also should I need a special tool, that should not be a problem in making that purchase.

Last edited by mmmtime500; 02-12-2011 at 01:48 PM.
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post #2 of 2 (permalink) Old 02-12-2011, 05:38 PM
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No special tool required - but radiator drain plug may be rusted in place. From the WIS drawing, it looks like it is twisted by finger/thumb, but you may need an adjustable wrench.

Specified torque to open/close is 1.5 to 2.0 Nm (very low). Crankcase coolant drain plug tightnening torque is 30 Nm
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