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#1
02-20-2011, 08:53 PM
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Heat Question 85 300D
Heat is warm and nice. Last couple times I drove the car on the MAX setting heat is warm then goes cool. If I push the defrost button the heat is warm again.
Mono Valve or Flapper door inside the dash or ???
__________________
On the hunt... 1985 300D----Sold 1985 300TD---Sold 1983 300SD---Sold 
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#2
02-20-2011, 10:19 PM
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... defrost setting returns heat,and it stays hot?
if so, it's gotta be in the push button unit. if the defrost also fades heat, then it's the monovalve.
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#3
02-21-2011, 06:36 AM
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Yes defrost is nice and warm and stays warm
__________________
On the hunt... 1985 300D----Sold 1985 300TD---Sold 1983 300SD---Sold
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