Question about 1998 Chevrolet Malibu

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Air conditioner won't stay on.

The air conditioner blows cold air when the green light is lit on the AC switch. However the light on the switch goes off after 30 seconds to a minute. It takes pushing the button 5-10 times before the light comes back on and the air get cold again but only for a short period of time. Is it a bad switch or is there something else that is causing the switch to turn off. Has anyone else encountered this problem. Thanks in advance for your suggestions.

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  • bloom1965 Sep 05, 2008

    I have the exact same problem with my 1998 Chevy Malibu. Took it to a trusted mechanic who told me it was the switch, and wants to charge me $350 to fix it! (parts plus labor) Don't know if this is a good price. Does anyone else know this?

  • Anonymous Nov 14, 2008

    1998 Chevrolet Malibu blower motor operation.

    The blower motor suddenly refuses to operate at any speed. It turns so slowly that barely any noticable air movemnt occurs through the air outlets.

    I have replaced the resistor located in the air plenum behind the blower motor. This cured the problem for about 1/2 hour, now I'm back to square one. I also checked the blower motor and it operates fine on a 12 volt battery charger.

    What now??

  • renzini Mar 29, 2009

    I have the same problem with my malibu. I replace the A/C switch and it didn't fix the problem, so the problem is not in the A/C switch box. I going to try change the resistance. A friend of mine told me that the resistance is the problem around $20 box

  • Anonymous Mar 29, 2014

    The air conditioning compressor just stopped coming on. The light on the button that turns on the air conditioner just flashes

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'64 could be right, but these Malibu's also have a tendency to go through HVAC head control units, among other things. I have taken the head unit out of mine and cleaned the contacts, etc...with some success. However, from what I've seen, this is just a temporary fix. These units run upwards of $200 at a dealer, but you can get one online for just over $100. It is a really easy install.

Other common problems include:
-Cruise control modules going bad (cruise kicks off at will)
-Bad resistor on fan blower (only speeds 3-5 will work)
-Front coil springs breaking
-Front brakes wear funny, excessive wear
-Moisture in headlight housings

Posted on Aug 29, 2008

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Most likely it is not related to the switch. More likely is the AC system is undercharged on refrigerant. The AC system will kick in when the refrigerant pressure on the low pressure side is high enough. After the compressor runs for a few minutes, this causes the low pressure side to drop below operating range and the low psi safety switch turns off the AC system. Once it has shut off the pressures stabilizes to a level where the safety switch will let the system operate again, making you think after turning the AC switch off and on again that it might be the problem. The best way to diagnose this problem is to use a guage manifold set to monitor what the pressures in the AC system are actually operating at when this occurs.

Posted on Aug 10, 2008

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