heat and cold air same time
 

I have a 94 280C when I run heat in my car i get heat coming through on diver side of car on upper and lower vents, but get cold air on passenger side of car, any help appreciated.

RE: heat and cold air same time
 

duo valve faulty.

RE: heat and cold air same time
 

where is that located

RE: heat and cold air same time
 

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[IMG]local://upfiles/1/7714D3A4D57345398FE777E5304D6FCD.jpg[/IMG]

RE: heat and cold air same time
 

thanks for posting that picture, thats what I thought originally,

where they were, will check them out, hopefully thats it, it is very cold here in northeast

RE: heat and cold air same time
 

I replaced this valve in my 97 C230 earlier last year and it did the job. It is a very tight space so if you have large hands like me, it is a bit difficult. I found the part on line for about $179. When you buy the part, make sure to also order up some MB coolant, you will need to replenish after the R&R. Give yourself plenty of time if you are not handy.

Hope this helps.

Mark