2002 nissan maxima AC and heat will not work at the same time
I had my car looked at because i failed the emissions test, the day before my AC went out. So when i got my emissions fuel something fixed, they fixed the ac too. As i drove out of thier lot, my AC went out again. I took it back, and they said i would need to drop it off to be fixed but for now they just coonected something underneath my glove compartment. I broke my ankle right after getting the car fixed and was out of commission for a while, it took like 6 months to get the car back to the garage. He kept it a few days, then called me said he will refund my $242.00 i paid for the AC cause he doesnt know whats wrong with it.
Can soometone explain how i turn the AC off and switch it back to heat??
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Re: 2002 nissan maxima AC and heat will not work at the...
There is a module called a power module located engine side of firewall almost at the upper center. It drops down into the evaporator case to keep it cool. Sometimes covered over with a black plastic cover. 2 electrical plugs connect to it. It varies the fan speeds depending on in car temperature. Should see 2 blue wire tie things retaining the electrical plugs to it.
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Unplug your hose that goes to heater that sends coolant into blower. Take a hose and seal it not the tube. Circulate the coolant out it could just be dirty or clogged up from bad coolant. That's free and 99.999% of th time this works.
You have to take the dash cover off. (just like when you want to change your radio).
It's not really that hard, but most people are uncomfortable when it comes to working on dashboards.
The options are, the dealer (expensive) a auto stereo shop (mid price)
The majority of dash covers are hled on by little spring clips. and just a few screws (which always seem to be placed in unusual locations). Start with taking the ashtray out (if equiped) and look for screws hidden behind it. (can be screws, can be screws with hex heads). So it's look for fasteners, give a little tug on the dash, if it feels solid, look for more fasteners.
Note*** Always make sure to have a small tray to keep all of the parts in. Also, any time I work on dashboards, I always put a blanket across the seats/center console so that parts don't slip down between them.
I've done dash work for years, and there is no one "exact" way that they come apart.
It is under the glove compartment - get down there and look up and you will see a round thing. The fan may be good, it could be a relay (at least it was in my 94 maxima).
Relays are the big blue things to the right of the fuse (by passenger door - not under hood). You will have to remove a body panel to get them (a few screws). Not sure which one it the fan, but over the years my cruise control failed (see my post under 1994 maxima under gummydmilo - was a typo). My instrument panel failed. And the fan so I ended up replacing all the relays.
If you remove the fan, you can hook it up to 12 volts (the car battery), if and see if it spins - just be careful.