SOURCE: Blend door
ok first put you front seat down and back raise steering wheel . now lay on you back with you head in the drivers floor board. look up see 2 screws remove them and the panel they hold on . look to left main wire harness needs to be moved to the right , up and behind it is th blend actuator 7/32 socket to remove it then manually turn the white peg , total labor 30 min
SOURCE: 1998 gmc sonoma push button 4x4 busting diaphram vacuum actuator
On top of the transfer case is a vacuum switch with 3 vacuum lines connected to it. This switch controls when vacuum is applied to the vacuum actuator. This switch can fail partly and allow fluid from the transfer case to be sucked up into the vacuum lines and anything connected to them as well. When you replaced the actuator before, did you notice any oily fluid inside of it?
SOURCE: blend door actuator needs replacing does the
no it doesnt ... check out heatertreaters.net if you have to replace the blend doors .... but the actuator is directly behind the glove box...remove the glove box take out 3 screws and remove actuator and replace.....waa laa
SOURCE: What do I have to remove to access blend door actuator
very lenghty process. too long to describe here....go to Bonneville Forums read the text and follow linked there at the bottom....very good and detailed....I'm doing that right now,,,,it is a bugger,
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