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  #1  
Old 10-01-2010, 06:12 AM
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Join Date: Jun 2008
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Coating or painting the AC Servo?

Needless to say, the AC/Heater servo is one of the worst parts on many vintage Mercedes, particularly because its plastic case is prone to cracking. I was therefore wondering if the longevity of these things might be increased by applying 1) a rubberized sealer, like undercoating, to strengthen the case, 2) a flexible metallic heat shield to protect the case from engine heat, or 3) a paint that contains aluminum or other metallic particles, which might do both.

Any opinions on what, if anything, might do this are welcome.

Thanks in advance

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Old 10-02-2010, 01:20 AM
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Rust inside from improper anti freeze kills a lot of them, and the internals break.
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Old 10-04-2010, 07:06 PM
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Save your money and just buy the UT upgrade when yours dies.
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Old 10-04-2010, 09:01 PM
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You could coat the outside in JB weld

-J

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