Question about 2000 Pontiac Montana

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2000 pontiac montana blend door

No heat:

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2920 Answers

SOURCE: 2002 Pontiac Montana Thermostat replacement

check the coolant level fiirst...if that is low it wont give you any heat.....to change the thermostat you have to follow the top radiator hose to the engine.at the send of it you will see a clamp take it loose...then you will see the thermostat housing its held in place by 2 bolts . once you remove them you have the thermostat....make sure you clean all the old gasket material off both the housing and mount.also make sure you get a new gasket.

Posted on Jan 29, 2009

  • 7 Answers

SOURCE: 2005 Pontiac SV6 Montana key fob unlocks doors but will not lock

For the sliding doors you need to clean the contacts, there are 6 or 8 on both sides, just wipe them clean as they are probably covered in oil/grease/grime.

Posted on Feb 14, 2009

  • 98 Answers

SOURCE: My 1999 pontiac montana rear sliding power door will not work

I went to bulldogsecurity.com and looked up the wiring diagram for this vehcle. However, prior to checking this part, I would check to see if you have a blown fuse. It doesn't hurt and only takes a few minutes. There should be a fuse for that either somewhere on the side of the dash or near the brake pedal area. If not it may be under the hood, but it should be inside the vehicle. You may have multiple fuse boxes. If it has (2) sliding doors it will have a wire for the auto doors in each kick panel (under the plastic trim/molding) when you open the door and look down you will see all of the trim/molding it should snap out or may be held in place with a screw or (2). Once you remove that you should see the wires. It says for the left side it is either light blue or black and the right side is definitely light blue. Trace this wire until you find out where it ends (the motor or switch to control the auto doors) Then test the switch/motor to see if it is bad.

Posted on Mar 02, 2009

  • 87 Answers

SOURCE: Timing off on Pontiac Montana wipers

On top of the window motor there is a timing cam -- there is a little tab on the bottom that is most likely broken or bent. You need to replace the cam.

Posted on Aug 02, 2009

  • 3 Answers

SOURCE: 2000 pontiac montana power window|locks doesnt

I had a 99 with the same problem, and suggest you check under the passenger side front carpet. Remove the flat door kick plate, lift up the carpet on the front passenger side floor and you will see a large wiring harness running along the floor, wrapped in black tape. Water and salt gets into this harness and will rot out several wire splices that you will see. Look for wires that run from 2 wires down into one (under black tape.) These are spliced together, and rot out. There was several large gauge wires/splices(windows up and down) and I think 2 very thin wires/splices (lock/unlock) . Even if the wires look connected, give them a good tug, they will come apart and be green with corrosion. This is a very common problem and worth the effort to check out. Repairing these splices fixed both the power windows and locks at the same time. Good luck

Posted on Aug 15, 2009

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2 Answers

No heat from the heater in my 2006 Pontiac montana


The number one cause of this if you have verified the heater hoses are getting hot to the heater core is that the Air temperature Control blend door is jammed or the motor that moves it is defective or in most cases both are the problem. These parts are located deep inside the dash assembly which must be removed to service them.

Jan 09, 2017 | 2006 Pontiac Montana

2 Answers

Fan blows but won't air blow out of vents?


You have a problem either in the control head, which is usually a vacuum issue, or under the dash in the blend box, which could be a vacuum or mechanical issue with respect to the blend doors.

Dec 01, 2015 | 2000 Pontiac Montana

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Removing a defective blend door on the pontiac montana sv6 2005


removing the heater a c box from under the dashboard

Sep 20, 2014 | Cars & Trucks

1 Answer

No heat but car does not over heat


If both heater hoses are getting hot, you may have a problem with a blend door under the dash. The blend doors direct air thru the heater core and the vents.

Dec 12, 2012 | 2001 Pontiac Montana

1 Answer

Have a small amount of heat comming out of my 2002 montana van


Sounds like a blend door is not working.
The blend doors are controlled by small electric motors and direct air flow thru the heater and ac evaporator as well as the vents.
The blend doors would need to be checked for operation. Could also be an electrical problem elsewhere in the system or a blockage in the heater hoses.

Sep 28, 2012 | 2002 Pontiac Montana

2 Answers

Where is the 2000 pontiac montana ac mixer


The air temperature control blend door (mixes hot and cold air) I think you refer to is located deep inside the cars heater and AC air duct work. To repeat it you must remove the dash from the car, a job not for home mechanic in most cases. Time to do at home about 12-14 hours

Jul 15, 2012 | 2000 Pontiac Montana

1 Answer

Intermitant heat


blend door not opening or closing.could be switch or one of the actuators that open and shut the doors

Jan 31, 2010 | Pontiac Montana Cars & Trucks

1 Answer

2000 pontiac montana air conditioner driver side vent blow warm air yet passenger side and rear vents blow cold air. sometimes the driver side vent blow cold air. is flapper valve stuck sometimes?


That is correct, the air blend door actuator. "flapper valve" may need to be replaced or cleaned and free from binding up. Good luck and hope this helps. If there is an Auto Zone in your area, they can order the part you need and give you the step by step instructions to removing the old actuator and replacing it if it's damaged. Good luck and keep me posted, be glad to help. 

Aug 22, 2009 | 2000 Pontiac Montana

1 Answer

No rear heat in pontiac montana '99


Warm up vehicle, then access heater pipes that run to rear of vehicle.  they should be HOT. if not you have  a circulation issue.  IF they are hot, then the blend door is not in the correct position.  this door directs air across a hot or cold core to create the correct air temp. check and update me.  

Jan 05, 2009 | 1999 Pontiac Montana

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