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The vaccum door near the gas pedal is broken or not receiving vaccum.

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โˆ™ 2005-10-17 02:04:17
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Q: Why does the heat vent in a 1991 Sunbird only give heat through the defrost and the dash and not the floor?
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Your 1991 Pontiac sunbird LE does not have low beam and speedometer odometer thermometer and back-window-defrost all don't work What is wrong?

its a fuse

Does a 1991 Pontiac sunbird have a timing belt?


What type of oil for a 1991 Pontiac Sunbird?


1991 sunbird 2.0 firing order?


1991 Chevy 350 pick up 1500 heater display works and will get hot butt it wont go to the defrost and is weak on the floor and vents?

the flap on the vent and defroster is stuck somewhere in between so it is not letting proper airflow to where you designate it possibly something sticky has fell down through the defrost vent and is constricting max. airflow

Wiring order for a 1991 Pontiac SunBird ignition module?

what is the color order of the wires to a Pontiac Sunbird ignition module

What is the gap size for plugs on a 1991 Sunbird LE?


What steps do you take to replace the radiator in a 1991 Sunbird?

call birdman

When drinving through water or its damp outside your 1991 sunbird stalls?

I'm going to go with a cracked distributor cap, especially if it is harder to restart the wetter it is.

Where is the PCV valve located on a 1991 Pontiac Sunbird V6?

on the valve cover

Where is the fuse box on a 1991 Pontiac Sunbird?

Under the Dashboard on the Drivers Side.

How do you open a locked car door on a 1991 Pontiac Sunbird LE?

Using a key

Where is the voltage regulator located on a 1991 Pontiac sunbird?

8Where is voltage regulator located

How do you remove an ignition switch that is jammed in the run position on a 1991 sunbird?

Never mind figured it out

What is the firing order for a 1991 Pontiac Sunbird 4 cylinder?

1 3 4 2

What is the firing order for a 1991 Pontiac Sunbird?

for a 4 cylinder it is 1-3-4-2

How do you turn off the engine light on a 1991 Pontiac sunbird Le?

u will need a odb1 scanner,

Where is the thermostat on a 1991 Pontiac Sunbird LE?

The thermostat is in the radiator. Open the radiator lid and pull the thermostat out.

What size is the battery in a 1991 sunbird?

any place that sales car batterys can tell you what size you need, butch

Where is the horn relay on a 1991 Pontiac Sunbird?

right next to the emergency flasher It is a white three prong connector

What size speakers are in a 1991 Pontiac sunbird?

crutchfield is a great source for this type of info. They are an electronics store. Google it

What would cause a 1991 Pontiac Sunbird to not hold a charge?

Possible the battery is just too old, or it is damaged.

Starter location on 1991 pontiac sunbird?

Follow the positive battery cable from the battery, it will lead you right to the starter.

How much coolant does a 1991 Pontiac 2.0 Sunbird require?

1 gallon of full streangth should be plenty, butch

Where can you find a wiring diagram for how to rewire the windows switch on a 1991 Pontiac Sunbird GT?

chiltons manual has wiring diagrams for that