Last post on Jun 11, 2010 at 3:18 PM
You are in the Pontiac Bonneville
What is this discussion about?
Pontiac Bonneville, Sedan
#1 of 12 1996 pontiac bonneville duct foor
Jun 07, 2010 (6:19 pm)
Last night when i removed my motor blower i seen a door like flap thing right in front of the blower.... is that the duct door?
#2 of 12 Re: 1996 pontiac bonneville duct foor [santonio03]
Jun 08, 2010 (7:50 am)
There are several doors...
That most likely was a recirculate/fresh air door.
#3 of 12 bonneville vacuum tube
Jun 09, 2010 (10:40 am)
What color is the vacuum tube that opens the duct door on pontiac bonneville 1996
#4 of 12 Re: bonneville vacuum tube [santonio03]
Jun 09, 2010 (5:23 pm)
There are 4 of them...
ORN orange is recirculate door
WHT white is the bilevel valve for AC and floor. White vacuum only gives floor I believe.
GRN is the other end of the bilevel and when it's on with the white the valve is held midway and the air goes to AC/defrost direction AND to the floor for bilevel.
BLU blue is the valve for defrost that closes to force air out dash ducts.
#5 of 12 Re: bonneville vacuum tube [imidazol97]
Jun 09, 2010 (7:39 pm)
meaning the orange tube is for the vents?
#6 of 12 Re: bonneville vacuum tube [santonio03]
Jun 10, 2010 (7:43 am)
The orange goes to the recirculation vacuum motor over above the driver's pedals. It lets the air from inside the car be mixed with some outside air and blown back through the system. I think that is probably the door you could see with the blower motor removed on the firewall.
The dash vents are the defrost door. It closes the duct going on up to the defrosters and makes the air come out the dash vents instead. At the same time the bilevel vacuum diaphragm is closed so no air goes out the floor vents; that means the air is all forced to go up toward the defrosters.
Do you have a problem? Is there a specific question or purpose you have? If I know your point, I may be able to help give you answers better.
#7 of 12 Re: bonneville vacuum tube [imidazol97]
Jun 10, 2010 (10:49 am)
Thanks for you help.. i have low air flowing through my vents.. when switch to floor or defrost i gets more air. i already clean my evap core. i think my door is not opening all the way.. are the doors control by accutators or vacuums? what is the exact color of the tube that control the defrost and vent.. i think i going to check for leaks or even replace the tube
#8 of 12 Re: bonneville vacuum tube [santonio03]
Jun 10, 2010 (12:01 pm)
What kind of AC do you have? The digital readout with numbers for temperature settings? Or the stand type that just has a lever you move to adjust warm to cold?
#9 of 12 Re: bonneville vacuum tube [imidazol97]
Jun 10, 2010 (12:17 pm)
MANUAL.. ALL MY SETTING WORK.(FROM VENT TO FLOOR TO DEFROST). EVERYONE I KNOW WHO HAS A 92-95 BONNEVILLE HAVE THIS PROBLEM AS WELL
#10 of 12 Re: bonneville vacuum tube [santonio03]
Jun 11, 2010 (7:58 am)
You have not stated what the problem is.
Saying everyone you know has the problem means nothing to me as to what your problem is.