Question about 1991 Buick Roadmaster

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Where to get a AC Compressor 1991 Buick Roadmaster

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  • Buick Master
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Your best bet is an auto wrecker. They will ship anywhere if there isn't one near you.

Posted on Mar 20, 2011

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6ya6ya
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Related Questions:

1 Answer

Why is my heater blower motor not running?


If you got the motor to run, then whatever feeds that motor electricity is the culprit. Check the switch.

Aug 06, 2015 | 1991 Buick Roadmaster

1 Answer

94 Buick Roadmaster AC fan blowing hot and won't shut off


If you have climate control it could be the main processor. Something could be shorting the blower relay to keep it on. You would also need to check and see if the system is still full of freon.

Jul 06, 2013 | Cars & Trucks

1 Answer

92 buick roadmaster a/c works great until something kicks the compressor off, then if you disconnect the battery terminal or unplug the fuse it does a countdown and works fine again until it happens again....


think you may have too much gas by weight ?? in the AC system causing the compressor to lock up but their should be a safety valve that will blow the gas out of the compressor ?? i have never seen one of these vehicles except on the tv so iam not the best person to answer but could it have a climatic computer ?? if so run a wire from the switch direct to the compressor this will by pass the computer .sorry but iam british living in spain and these cars are just not seen over here.It could even be its working too well and freezing in the resistrictor valve to be honest i would need to have the vehicle in front of me then i could diagnose it correctly and hit it with the approiate size hammer to fix it

Jun 06, 2010 | 1991 Buick Roadmaster

1 Answer

I have a 1993 buick roadmaster and while I was driving my belt broke and the engine the engine was on fire


Most likely the alternator or AC compressor seized up and caused the belt to smoke and break.

Feb 25, 2010 | 1993 Buick Roadmaster

1 Answer

No owners manual


You probably have to go get a Haynes manual.

Sep 13, 2009 | 1991 Buick Roadmaster

1 Answer

91 Roadmaster, Auto A/C, no power to A/C relay. What should I check first?


1- Check the fuses, switches etc (its the most obvious places, and cheapest to check)
2- Check your freon - if you have an a/c gas leak, the pressure switch on the gas line (a/c gas, not fuel!) cuts out, causing the relay to de-energise. It's a safety measure to prevent damage to the compressor if the pressure is too low.

I hope this helps!

Jun 14, 2009 | 1991 Buick Roadmaster

1 Answer

Buick Roadmaster 1996 AC not working


The linear actuator that regulates the blend of air between hot and cold was broken and needed to be replaced. That was my suspicion. Fuses were all good. Relays were all good. Compressor pump cycled. Freon was "proper". Dealership only charged about $400 in parts and labor to confirm my guess.

May 07, 2009 | 1996 Buick Roadmaster

2 Answers

Location fuse boxes 1991 buick roadmaster estate wagon


one under the hood another drivers side kick panel.  Also check the relays

Apr 01, 2009 | 1991 Buick Roadmaster

1 Answer

Buick roadmaster 1992


The port is located in the larger of the 2 lines coming from the AC compressor, the charging port will be somewhere on that line with a plastic cap over it, the line goes into a part called an accumulator, it is about the size of a 1lb can of coffee, the port may be there as well, it varies from model to model.

Oct 26, 2008 | 1995 Buick Roadmaster

1 Answer

AC 92 Buick Roadmaster


u prob need to recharge ur ac

Jun 24, 2008 | 1992 Buick Roadmaster

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