Question about 1997 Pontiac Bonneville

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No cold air from air conditioner on 1997 Pontiac Bonneville

I had compressor and Accumalator as well as the small filter on firing wall replaced by people who called themselves mechanics. I bought a rebuilt compressor from auto zone as I am a disabled Priest with limited money. The mechanics told me they flushed the lines but I do not think so. They made me buy everything in advance such as freon and they asked for nothing to flush the lines. I do not even know what the lines are flushed with. I have the climatic control and the temperature light flashes for about 1 minute after turning the air conditioner on and the air blows semi cool maybe 70 degrees from the vents. Do you have any ideas? Thank you very much. Jerry Blackwell

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  • 426 hemi May 11, 2010

    When you say small filter, du you mean the air dryer? Hard to tell whats wrong unless i know what the pressure readings were doing. Another item or tip, spend the money on a brand new compressor. Rebuilt comp. will go away in a very short time. Your other option in the future is to go to a junk yard and buy a compressor for 30-60$. just changed one on my sons car for 60$ from a junkyard and it runs great.. now ask these guys if they checked the orifice tube, More then likely if your old comp went out your orifice tube will be plugged with metal shavings from the comp bearings failing.. Then ask them if they ran a vacuum on your system.. by the way it sounds if you had to provide the freon, then they dont have a recovery machine.. I would suggest going to a reputable a/c shop. sounds like these guys took you for a ride. good luck.

  • Marvin
    Marvin May 11, 2010




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  • Pontiac Master
  • 52,043 Answers

They saw you coming from way off
try and find an accredited ac specialist that will do a diagnosis for you to tell you what is wrong
flushing is well and good but unnecessary and once the system has been opened , it requires to be vacuumed down for around 1 hour to allow the moisture in the system to boil off
if that is not done then when the liquid gas is allowed to evaporate in the evaporator under the dash , ice forms in the TX valve and it stops the system from working

Posted on Apr 02, 2017


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michigan man
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SOURCE: 1998 Pontiac Bonneville heater problem

take the upper radiator hose use a glove and while the car is running squeeze the hose together and see if trys to open in your hand and if it doesn't you have a weak water pump but check the condition of the drive belt and the coolant before you go to the pump

Posted on Jan 05, 2009

  • 1 Answer

SOURCE: Air conditioner

replace the air conditioner relay, its located underneath the hood, you will see the relay center there, look underneath the cap to identify which is the ac relay switch.

Posted on Jan 14, 2009

  • 298 Answers

SOURCE: blowing 20 amp fuse

Hi that fuse should be a 25 amp and it runs the blower, heater, the day time running lamps, automatic light control and the rear defogger you would have to check each unit at a time what I would do is put a hire fuse and look for smoke on the wiring as soon as iI see whats burning I take the fuse off but you have to be quick and pull out the fuse before any thing burns if not check each unit mention and look for good luck.

Posted on Aug 17, 2009

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SOURCE: 1997 Bonneville SSE, when the heater is turned on, only cold air

you may have a failed blend air door motor/actuator. this part will regulate the amount of air from the heater core depending on the temp setting on your electronic climate control unit. if it has failed, it will be stuck at the temp that it was last set at when it quit working. it is also possible the heater core may be plugged up, but using the gm recommended dexcool coolant and flushing it out every 5 years, it should not be plugged up. you can pull the 2 heater hoses off the heater core on the passenger side of the engine compartment firewall and see if the heater core is the problem. caution-do not use a high pressure air hose to blow through the heater core as this could damage it and cause a leak!

Posted on Oct 28, 2009

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SOURCE: Have a 1996 Pontiac Grand am. Air conditioner

If the large ac line(low side) is cold going into the firewall,then the temp door is not working,check it out.

Posted on Jun 06, 2010

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1 Answer

Dash vents are not opening on my 1997 Pontiac Bonneville?

Common problem here - - the air is directed by blend doors behind the dash - either by vac or electric motors.
You could have a door sticking or the device that moves it may be faulty.
Just about have to take the dash out to get to some of them.
If you want to tackle it, I would recommend a shop manual first.
Check your library.

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The cabin air filter is located on the passenger side in a compartment just above the fire wall in the engine compartment. You will have to open the hood to access it. You will see the panel for the filter. Just lift it up and you will see the cabin filter laying in the recessed area. Simply pull out the old filter and put the new one in.

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Jul 18, 2010 | 1997 Pontiac Bonneville

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Can problem with the air conditioner compressor cause the rpms to oscillate rapidly and motor to cut off, especially when idle in park or at a stopped?

Could be if the A/C Compressor bearing is worn out and makeing it hard to turn the engine belt. Usually it will break the belt.
If you can, with the engine cold, take the belt off the compressor and try to turn the compressor with your hand. If its hard to turn it needs a new bearing.
I hope this helps you

Oct 18, 2009 | 1997 Pontiac Bonneville

1 Answer

MY ac is broke :`(

If it's blowing air, even warm air, it's not the relay. Probably needs to be charged,(more freon in it)
Have the system checked, could also be a blend door under the dashboard not working, or the compressor. Without testing the system, it's hard to say what it is.

Jul 16, 2009 | 1997 Pontiac Bonneville

2 Answers

Where is the relay fuse box located on a 1997 pontiac bonneville

It is under your dash board in the driver side foot well.

Jul 09, 2009 | 1997 Pontiac Bonneville

1 Answer

Air conditioner

replace the air conditioner relay, its located underneath the hood, you will see the relay center there, look underneath the cap to identify which is the ac relay switch.

Aug 24, 2008 | 1997 Pontiac Bonneville

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