Question about 2002 Buick Regal

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No heat in my 2002 buick regal, fan still blows

The fan still blows, the engine runs at normal temperature but getting no heat. There are no service lights on.

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  • 2 Answers

Could be heater core is gone

Posted on Feb 22, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 99 Buick Regal LS dual climate control. No heat passenger side.

the motor for the passenger side
blend door is shot

Posted on Jan 12, 2010

  • 2 Answers

SOURCE: fans run constantly

Irwinr12 is right, no amount of fan will keep the Regal from warming up if the thermostat is working properly, Replace it. Clear SES light with OBDII tool & you should be good to go. BTY its the car computer that keeps the fans running, and they will continue to run until you clear the code. Any kind of cooling/overheating proiblem will kick in the SES light and set both fans running. I own '01 GS, my son has '03 GS and we have both complete set of service manuals. Trust me, do what I say. Batman

Posted on Mar 11, 2009

emissionwiz
  • 75005 Answers

SOURCE: my 99 buick regal 's service engine light flashes

the light is flashing to tell u that the engione has one or more engine cylinders misfiring, have the trouble codes tested to find out which cylinder(ws) is he problem.

Posted on Apr 30, 2009

maygemini
  • 147 Answers

SOURCE: Check engine light on. Code P0440.

wow thermostat >>>> shucks i believe its evep emissions code like faulty gas cap ....you can reset any computer the chck eng light will come on in 50 to 100 miles if not fixed....

Posted on May 08, 2009

  • 508 Answers

SOURCE: 1994 buick regal cooling fan's not working

temperature switch bad goto dealer parts get diagram(they give free)find switch remove plug to switch (turn ignition key to on position)take short piece of wire jump plug wires see if fan starts if not check fan motors for operation if they do switch bad replace you can get better deal at local parts house than dealer on switch try that see if thats whats doing it!!!!Best Of Luck toYou!!!!

Posted on Jun 30, 2009

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1 Answer

Location of thermostatic switch 1993 Buick Regal 3.8 motor fan motors don't run


The fans are controlled by the ECM and it uses the ECT sensor for temperature sensing, so if the check engine light isn't on the sensor is not the problem. You need to have an active test run on the fan system to see what code is returned. Have you tried powering up the fans at the relay?

Oct 26, 2012 | 1993 Buick Regal

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Heater not heating on 2002 suburban fan blows just does not heat up any ideas culd it be a relay switch


No, Relays control the fan running. But you said it is running. Low coolant level, clogged heater core or sticking temperature door could be the problem. Is the engine running at normal temp? Open thermostat could cause low temperature.

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'96 buick regal- heater not producing warmth. fan blows fine and i did check passenger temp contol(set all the way warm) with no results. next best check???


Check the temp of the heater hoses going into the heater from the engine in the engine compartment.
If you have a temp gauge on the dash does it go at least 1/3 the way up the gauge from cold in normal driving.
You can take a garden hose and flush the heater....both ways back and forth then reconnect heater hoses and check for heat.
But.....The # 1 cause of no or low heat is the engine thermostat.
It needs to close tightly to force the engine coolant through the small heater core.

Nov 10, 2009 | 1996 Buick Regal Olympic Gold

1 Answer

My heat blow cold some body told me i need resistor on a 91 Buick regal unlimited where do i find it


the resister only changes the fan speed
if you have not heat
first check coolant level if it's down then you have a leak that will cause no heat if it's ok
then run the vehicle and make sure the engine temp gauge reads about half if not change the thermostat if the engine temp is ok
then grab the heater hoses see if they are hot then the heater core is plugged and if the heater hoses are hot
then there is a problem with the heater control head
hopr this helps

Nov 08, 2009 | 1991 Buick Regal

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99 Regal Shuts off w/ engine at normal temp. Starts when cooled.


sounds like it's tied into the coolant system..

Sep 09, 2009 | 1998 Buick Regal

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1994 buick regal cooling fan's not working


temperature switch bad goto dealer parts get diagram(they give free)find switch remove plug to switch (turn ignition key to on position)take short piece of wire jump plug wires see if fan starts if not check fan motors for operation if they do switch bad replace you can get better deal at local parts house than dealer on switch try that see if thats whats doing it!!!!Best Of Luck toYou!!!!

Jun 30, 2009 | 1995 Buick Regal

1 Answer

Both cooling fans will not come on


Did you try jumping the cooling fans with direct power to see if they worked and the fan motor isnt burned out?You can turn the a/c on while running the car and it should turn the fans on even if the car isnt heated up.

Mar 29, 2009 | 1996 Buick Regal Olympic Gold

1 Answer

1996 buick regal over heating


Hi,
This sounds normal to me..... Except "runs to hot when idling"

When you're driving about (airflow over rad) all seems fine, but when sat in traffic idling - the fans come on to cool. Is the problem that even with the fans running, temperature still goes up - and fans never turn off again?

Is this the problem?

If it is, then the coolant pump may be badly corroded, not driving efficiently, or the coolant needs flushing and replacing.

Jun 15, 2008 | 1996 Buick Regal Olympic Gold

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