transfer case

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May 10, 2018
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#1
Make
chevy
Model
trailblazer
Year
2005
Miles
171000
Engine
6 cyl.
transfer case stays in all 4 wheel
 

grcauto

Hero Member
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May 29, 2014
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#2
Does that have the push buttons?
 

grcauto

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#4
I believe that is vacuum operated. Can you unlock it by applying vacuum to the actuator?
 

kev2

wrench
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Nov 14, 2006
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#7
issues with TC are the internals 'locked'* or the electronics ....issues wiring. or so components fail,

More questions than answers-
one speed or two speed transfer case?
Is the T'cse shifting, indicator says 2wd BUT stuck 4wd?
have you checked CODES?-


* torque locked - stays in 4wd.
 

grcauto

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#8
Not vacuum operated, has actuator motor
Can you get the module scanned? I know there's a ground down on the frame under the drivers side. They have problems with these but it usually causes the actuator to stay in 2WD and unable to go into 4WD hi or low. Might want to check these grounds.