Question about 1998 Pontiac Bonneville
I have a 98 Bonneville blower motor works great but I have a very weak air flow at floor ,defrost and vent
Sounds like either the door isn't opening all the way or some of the tubing has either come off or has holes.
Posted on Dec 31, 2013
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Posted on Jan 02, 2017
SOURCE: 1998 Bonneville SLE A/C
Look on the passengers side of engine there is a vacuum going to the intake manifold on the back side if this is cut or torn the vacuum won't work properly.You have to follow the line to where it has a fuse panel along the firewall there it goes into the vehicle...
Posted on Mar 21, 2009
SOURCE: 98 bonneville , blower only
This is usually caused by a control door inside the housing for the heater. Sometimes pens or other obstacles go down the defroster vents and block the doors. Lay on the floorboard while someone controls the heat and vent controls. You should be able to see the arms controlling the vents and heat. You may have to remove the lower dash covers to gain access to see these controls. Also check to see if there are any engine vacuum leaks. The heater and vent controls are ran by vacuum sometimes.
Posted on Dec 29, 2010
Here's a guide to remove your blower,check your blower motor resister too,it's next to the blower,2 screws hold it on.http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?fromSearchPage=true&pageId=0996b43f8038fb36&partName=Blower+Motor&partId=0996b43f8038fb36 Here's another link to relay.http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?fromSearchPage=true&pageId=0996b43f8038fb36&partName=Blower+Motor&partId=0996b43f8038fb36 hERE'S THE RESISTOR.http://www.autozone.com/autozone/parts/1996-Pontiac-Bonneville/A-C-Heater-Blower-Motor-Resistor/_/N-j4ys1Z91tag?filterByKeyWord=blower+motor&fromString=search
Posted on Oct 30, 2012
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