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Chevrolet Lumina A/C & Heating problem

8 messages,  Last post on May 20, 2009 at 8:54 PM

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What is this discussion about? Chevrolet Lumina, Heating / Cooling, Sedan

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#5 of 8 heater blower not working by habsfan Jan 12, 2008 (1:28 pm)
My heater motor fan is not working how do get it out to repair it?   Please help.
#6 of 8 a/c gounding circuit by amopar4me May 20, 2008 (7:09 am)
I have a 1990 chevy lumina. The a/c was working fine but suddenly stop. I have check all switch on lines and compressor with volt and ohm meter. I have no ground for a/c relay to complete circuit. I have trace wiring to and from the computer connectors with ohm meter too.The coolant fan relay that is suppose to energize at the same time has no ground either. But if manually ground either one that circuits work .. any help?
#7 of 8 Insufficient heat by mcdiarmid Jan 14, 2009 (6:43 am)
Hello. I have a `95 Lumina car with a 3.1, with 280 000KMs. Single zone heat and A/C. I bought it used last August. It`s used as a taxi. I`ve replaced 2 head and intake gaskets as well as a rad, heater core and pump and installed a used head! All new parts. I`ve also replaced the thermostat 3 times, 2 of the themostats are OEM. Most of this work was done before the cold weather. I just can`t get enough heat to the vents on any setting. I`ve checked the heater hoses for heat...both are hot. I`ve tried many times to get any remaining air out of the system. There is sometimes a gurgling in the heater core, but not always. I know...air. But, every couple of days I try to bleed any air out. None. Could this simply be a switch problem?? I put about 400KMs per day on this car...there shouldn`t be anymore air. Anyone had a similar problem?   Ian
#8 of 8 Re: cooling fans [punky67] by mike356 May 20, 2009 (8:54 pm)
Replying to: punky67 (May 31, 2007 12:26 pm) one of the fans should come on after idleing for about 5-10 minutes. otherwise im sure you'd have overheating problems.

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