Man its getting cold and my heater does seem to be acting right. Here's the problem. If I turn the heater on floor and vents, it heats up the car just fine, but if I turn the heater on just the floor, I get cold air through the vents. What could the problem be. My first thoughts would be a leak some where, but I don't know where to start looking. Thanks for any help

 

sorry.. this may be a dumb question... but did you remember to filp the switch/lever (the one that goes up and down with the guy with the blue arrows, or the guy with nothing comming at him) to the left of the all the climate control stuff

 

Doesn't sound like a dumb question to me. Sounds like something I forgot to do, that would make a lot of sense. I'll double check that.

 

Yeah, Grant... it's THAT time of the year, huh?

 

Yeh isn't that switch just to control the outside air coming in or not? I turn it on sometimes when i turn the a/c off, on a decent day.

 

it lets outside air to blow right in your face, which is good if you like to keep head in cold
but I guess it's come kind of nissan's joke - I had the same control option in jag xjs but I was able to change colder/warmer (it's so called face control option)

 

My heater **** only goes about 2/3's of the way over, so I'm lucky to get warm air.
Hopefully I'll be fixing it soon though.

 

Thanks fellas, that's what is was. Now I feel like a big retard. I guess I think everything is a big leak on my Max, the way the oil is leaking and my air intake whistles like you wouldn't believe.