Question about Buick Cars & Trucks

1 Answer

1993 buick roadmaster will not blow hot air what do I need to check for how do I fix it

Have replaces thermostate

Posted by on

Ad

1 Answer

  • Level 1:

    An expert who has achieved level 1.

    Hot-Shot:

    An expert who has answered 20 questions.

    Corporal:

    An expert that hasĀ over 10 points.

    Mayor:

    An expert whose answer gotĀ voted for 2 times.

  • Contributor
  • 56 Answers

No hot air, sounds like the heater core is bad. the core is probably directly your dashboard, ya it's a big messy job to replace. Cost, probably somewhere around $500 or more,,,

Posted on Dec 09, 2014

Ad

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad

SOURCE: heater core replacement

OK, Ifound the problem with mine. Dont unplug your air dryer. I checked the 2 hoses coming out from the heater core and still one was hot and the other not hot. The top one comes from the radiator fill tank and the bottom one comes out of the core and goes around to the front and into the water pump. I disconnected both close to the core and could runwater through both directions so upon further examination, I disconnected the hose at the water pump and no water flow. The hose was plugged up with something. Once I cleared it with a hanger and reconnected it I had water flowing through the core and great heat. Hope this is your problem too as it is aneasy fix

Posted on Oct 23, 2008

philriden
  • 146 Answers

SOURCE: hot air always, no matter what temp control is set at(1993 Buick)

There is a blend air actuator on the passenger side that causes the blend air door to stay open to heat no matter what. It's below the left side of glove box, facing dash, and you can work it by hand and get it to close. If that works, get a new one. They're very easy to install.

Posted on Jan 07, 2009

  • 5 Answers

SOURCE: heater wont blow hot air in van. How do i fix it?

add coolant to the radiator and it should help circulate it and warm the air up

Posted on May 07, 2009

  • 1 Answer

SOURCE: 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.

Posted on May 08, 2009

  • 14036 Answers

SOURCE: 1993 buick century

turn on ac on high cool look under hood .to see if compressor clutch is turning make sure belt not slipping or loose.if compressor clutch is not turning.check and replace fuse relay and check the electrical connector for breaks.if all is good .compressor clutch still dont run.you can remove compressor BUT YOU HAVE TO TAKE IT TO GARAGE TO DISCHARGE FREON OR 134 REFRIGERANT OUT OF SYSTEM .AGAINST THE LAW LET IT OUT IN ATMOSPHERE.YOU PAY A STIFF FINE IF CAUGHT. you can remove compressor replace clutch remove the pulley .you need tools to work on it.if compressor is old replace it. NOW if compressor clutch was turning you need to check the refrigerant pressure you need a manual to locate low pressure side and high pressure side.you need a manifold gauge set or you can buy the individual pressure gauges .at auto zone or advance make sure you get the right gauges .see if your car still have the R12-FREON. OR 134 REFRIGERANT FITTINGS.WARNING BE SURE TO WEAR SAFETY GLASSES WORK IN WELL VENTILLATED AREA. FREON AND 134 REFRIGERANT DEADLY IF INHALE.GO TO CAR LOCATE LOW SIDE WOULD BE A BLUE CAP AT THE EVAPORATOR LINE GOING INTO FIRE WALL OR WHERE THE ACCUMULATOR LINE AREA IS.THEN FIND RED CAP CONNECTOR IT BE ON THE CONDENSOR LINE AT TOP AT RADIATOR .NEXT TO COOLING FANS.PRESSURE LOW SIDE BLUE CAP PORT SHOULD BE 28 PSI THE PRESSURE AT THE RED CAP PORT SHOULD BE 190 TO 200 PSI. THATS GOOD PRESSURE.BESURE YOUR CAR IS RUNNING AC ON MAX.COMPRESSURE CLUTCH HAS TO BE TURNING COOLING FANS SHOULD BE RUNNING TO COOL CONDENSOR.IF LOW SIDE IS LOW AND HIGH SIDE LOW REFRIGERANT LOW.PUT RED CAP BACK ON HIGH SIDE. WHEN YOU ADD REFRIGERANT YOU PUT IT IN LOW SIDE .BLUE SIDE 28 PSI WHAT PRESSURE LOW SIDE SHOULD BE.KEEP CHECK ON HIGH SIDE PRESSURE DONT LET IT EXCEED OVER 200 PSI IT WILL BLOW UP.IF BOTH SIDE IS 0 PRESSURE ITS BEEN A LONG TIME SINCE AIR CONDITIONER BEEN OPREATING.YOU HAVE TO TAKE IT TO GARAGE.HAVE SYSTEM FLUSH REPLACE ORIFICE TUBE AND ACCUMULATOR.ITS PROBABLY FULL OF MOISTURE.OR SCREEN IN SIDE OF IT STOP UP.THE SYSTEM HAS TO BE PUMP DOWN FOR LEAKS .AND ADDING OIL TO SYSTEM.THEN SYSTEM HAS TO BE CHARGED UP.IF YOU GOT CLIMATE CONTROL AIR CONDITIONER .YOU HAVE SUN LOAD SENSOR -OUT SIDE TEMPERATURE SENSOR -INSIDE TEMPERATURE SENSORS .THE SYSTEM HAS TO BE CALIBRATE USING A SCANNER.WARNING BE CAREFUL WATCH YOUR SELF WHEN WORKING ON AC SYSTEM ITS A DANGEROUS JOB IF YOU NEVER DONE IT.WHILE CAR RUNNING WATCH YOUR HANDS FOR MOVING BELT AND COOLING FANS .SEE YOU HAVE MANY THINGS TO CAUSE CAR NOT TO BLOW HOT AIR NOT COLD AIR.

Posted on May 31, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Replace fuse dashboard 1992 buick roadmaster


press the helpful button and check links below, it is a 1993 manual, should be the same.
one fuse panel on that vehicle. It's on the driver side end of dash, you have to open the driver door to get at it. The box is under the hood, labeled relay center I believe. http://www.vadengmpp.com/owners-manual/buick/1993-Buick-RoadMaster.pdf

Buick Workshop Manuals

1992 Buick Roadmaster the tail lights nor dash lights work tried replacing...

Feb 03, 2016 | Buick Cars & Trucks

1 Answer

Why does my 1993 buick roadmaster heat fine but most times the blower won't blow on my windshield to defrost?


Are you referring to the blower NOT blowing air or it is blowing air but will not direct the flow to defrost?

Aug 22, 2015 | 1993 Buick Roadmaster

2 Answers

My heater is not blowing hot air what could my problem be


Well, you probably need a heater core. I it is a 93. Find a friend to do it, and buy a manual for it. The car is probably not worth, what you would pay a shop to do it for. But check prices...

Dec 08, 2014 | 1993 Buick Roadmaster

1 Answer

1993 buick roadmaster will not blow hot aic


YOU MAY HAVE A PROBLEM WITH THE TEMP BLEND DOOR OR THE MOTOR. THESE USE A ELECTRIC ACTUATOR TO CONTROL TEMP AND THEY GO BAD FAIRLY OFTEN. GM ALSO HAS A PROBLEM WITH THE BLEND DOOR BREAKING INSIDE THE EVAP HOUSING

Dec 08, 2014 | 1993 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

My buick roadmaster overheats off and on and when turn heater on it takes a few seconds to blow hot air?


sounds like a stuck thermostat. also check your belts to make sure they are tight sometimes the tensioner pulley's spring can go bad.

Jun 13, 2012 | 1996 Buick Roadmaster

1 Answer

What type of oil does buick roadmaster 1993 use


Depending on the mileage it's probably going to do best with a 10W30 oil to help with older seals - reduces blow-by and burning.

Jun 04, 2012 | 1993 Buick Roadmaster

1 Answer

1992 Buick Roadmaster Limited- air conditioner blows hot air, does not need feon and compressor appears opperational. Any ideas


Make sure the large line going in the firewall is cold,if so,the problem is on the inside ,check the temp door,it is most likely not opening for cold temp.

Jun 04, 2010 | 1992 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

Buick roadmaster 350 engine wont start


You have checked for spark, Fuel Pressure, Injection pulse? Don't worry it will run. It was made by the General!

Jan 10, 2009 | 1993 Buick Roadmaster

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

58 people viewed this question

Ask a Question

Usually answered in minutes!

Top Buick Experts

yadayada
yadayada

Level 3 Expert

76109 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8270 Answers

Are you a Buick Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...