Question about 2002 Buick LeSabre

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NO HEAT ON DRIVERS SIDE, ONLY COMES OUT PASSENGER SIDE VENTS. COULD IT BE A VACCUM HOSE, AND WHERE WOULD IT BE? 2002 BUICK LESABRE

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Most likely you have an accuator that has failed

Posted on Jan 04, 2011

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Posted on Jan 02, 2017

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1 Answer

92 buick park ave only blows heat through defrost


Sounds like you might have blown the BM unit. As far as the vent selection goes, I worked on a Buick LeSabre a few years ago with the same kind of trouble. There is a vacuum distribution block down under the glove compartment that directs the route air goes. It is notoriously trouble. In my case the block was poorly formed. Sometimes the vacuum connections on the block are plugged, sometimes they crack or break off. Unless you are a full blown Mr Fixit you just need to replace the block.

Feb 01, 2014 | Buick Cars & Trucks

1 Answer

2000 Buick Lesabre Limited with electronic climate control.


Could be a vacuum actuator problem. or just a vacuum leak, period. I have a Jeep that when it has a vac leak, the climate system defaults to the defrost, no matter what you set it at.

Feb 05, 2012 | 2000 Buick LeSabre

2 Answers

Steam is comig through vents when i turn heat on.


The heater core is leaking and need to be replaced. It's under the passenger side dash behind the glove box.

Jan 26, 2011 | 1995 Buick LeSabre

1 Answer

Our 1998 buick lasabre air condioning will not blow out vents. everything works, but it wont blow out vents. it will blow on window vent and blows on floor vent.but the middle vents will not blow out.


ck to see if your vaccum hose if broken at the engine vaccum connection, it may have a vaccum hose split or a bad vaccum switch/actuator, if it has manual a/c, if it has electronic a/c then your mode actuator is not working.

Aug 10, 2010 | 1998 Buick LeSabre

2 Answers

Cold air on passenger side warm air on drivers side


Actuator motors either get a tear in the rubber or a hose is broken and not letting vacuum assist in its opening.
You can try moving the lever by hand and see if the air gets colder on the bad side.c976077.jpg

Aug 04, 2009 | 2001 Buick LeSabre

1 Answer

AC only on the drivers side


you are low on refridgerant

Jun 26, 2009 | 2003 Buick LeSabre

1 Answer

2001 buick lesabre-ac problems


  • Assumed your AC unit is OK, but uneven temperature distribution. Try to throw the heater on an off severtime. A sticky valve on the heater would cause similar problem.
  • Observe the RPM while parking your car. While the AC cut in cut out (or turn on an off). If it cause no load on the engine. The freon may be low or the compressor is bad. In this case only the intake side of the evaporator is cooler than the other side.

Jun 01, 2009 | 2001 Buick LeSabre

1 Answer

Air won't switch to defrost vents


This system works with vacuum control doors. If you have a vacuum hose off under your hood it will cause this problem. Look on the passenger side near the evaporator - there should be a little round plastic bulb looking device - make sure it has vacuum to it. Also, check for other vacuum leaks in that area.

Dec 17, 2008 | 1989 Buick LeSabre

1 Answer

The passenger side washer doesn't work.


check the hose if ok take a needle stick in holes on squiter on wiper arm

Oct 18, 2008 | 2003 Buick LeSabre

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