Buick LeSabre Problems Answered

2000 BUICK LESABRE,CLIMATE CONTROL MODULE,BLOWER MOTOR,AC, WILL NOT FUNCTION. NO VOLTAGE ON TERMINALS AS COMPARED TO MY 2002 LESABRE. CHECKED ALL FUSES IN ENGINE COMPARTMENT & UNDER REAR SEAT. NO WIRING DIAGRAM FOR REFERENCE.

I have a 2001 Buick lesabre custom automatic v6 and the transmission will shift into reverse fine but it wont shift into drive I have to shift it to 1st gear and I can drive it what could the problem be?

1993 Buick Lesabre 3800 v6.
Question: I have to give my car a lot of gas before it takes off. Is it good if i change the transmission filter ? It smells burned and real black but it runs well no skip tick or cut back just what i'm explaining now, just praying I don't need a transmission.

2004 Buick Lesabre Custom. 3800
Question: Car will not start neutral safety switch is good starter works when power is put to the start wire at the switch. There is no power going to the neutral safety switch.the ignition switch was replaced and it still will not work starter works fine.

Question: A 1997 Buick Lesabre that blows cold on one side of the car and hot the other side. It is a dual control system. What causes this to happen? The drivers side dash vents was blowing cold and the other side hot and now both sides are blowing cold with A/C on or off.

2002 Buick Lesabre Limited problems.
Question: I would like to know how to change the light in the steering wheel for the cruise control (set & resume) and the light for the heated seat button on the passenger door. The indicator light works (High Low) but the location light is burned out.

2004 Buick Lesabre. 3.8 6cyl. Did a transmission flush and filter change.
04 Buick Lesabre shifts rough sometimes from 1st to 2nd. Feels like a slight shudder, been told need another transmission, had it flushed, has helped some. Has 225 60r16 tires when door panel says 215 70r 15 tires, some models came with the 225 option, was wondering does or can computer shift points

2003 Buick Lesabre 3.8L Check Engine Soon alone with Gas Cap Loose. Both have been on for about three years.
Question: My 2003 Buick Lesabre is making noise. I thought it sounded like a wheel bearing. This was confirmed by a mechanic at a Firestone store.
What I'd like to know is how do I determine which wheel it is and how difficult is it to change.

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How Things Work

Air Conditioning System Operation

The A/C system provides the following features:

Cooled or dehumidified air for the comfort of the occupants
Power ventilation
Windshield defrosting
Side window defrosting

During most operating conditions, outside air enters the vehicle in the following manners:

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Common Engine Codes

Code P0420 Catalytic Converter Failure

To control emissions of hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx), a three-way catalytic converter is used. The catalyst within the converter promotes a chemical reaction which oxidizes the HC and CO present in the exhaust gas, converting them into harmless water vapor and carbon dioxide. The catalyst also reduces NOx, converting the NOx to nitrogen.

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