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A/C Blowing Hot and Cold no matter what button i push. air comes out dash hot floor hot and two side vents . two center not hot. Compressor works comes on and off with switch.
 

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1985 300D
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Re: 178 300d A/C Blowing Hot and Cold

What year is it?
Could be the mono valve(depending on yr.) located on the firewall. Heater hose in & out, electrical wire on top.
A/C Blowing Hot and Cold no matter what button i push. air comes out dash hot floor hot and two side vents . two center not hot. Compressor works comes on and off with switch.
 

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its 1978 sorry it said 178 its a 300d any help most greatful....

its 1978 sorry it said 178 its a 300d any help most greatful.
 

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Finely found the prob it was the vac leack at the gas door lock who would of thaught . t...

Finely found the prob it was the vac leack at the gas door lock who would of thaught . thanks Rob
 
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