1996 Chevrolet Blazer 4W drive stop 4x4 Wheeling stop ingageing
SOURCE: 1986 K5 Blazer front hub/axle problem
3 bolts from the back, axle nut and take the caliper off pretty easy.
SOURCE: can not remove rear axle on chevy avalanche 4x4 1500.
you will need to take off the differential cover (drain and change diff oil at this time)
rotate the axle so that you can get at the cross pin and remove it by undoing a small bolt that holds it in place. it should slide out with ease, but i have had them stick, take care not to let the cross pin get lodged where it is difficult to extract
a single C-clip is holding each axle inside the differential housing
you will need to push in from the outer end of the axle, while simultaneously manipulating the C-clip off of the inner axle, repeat this same process on the other side
i will put some of pics up in a minute
SOURCE: I have a 2001 Chevy 2500 4X4. Four wheel drive not
Sounds like the chain in the transfer case has broke or the linkage is out of adjustment
SOURCE: 2003 chevy silverado 2500 HD when ingageing 4
I had a similar problem and had to have the 4 wheel drive serviced. It need new grease. the grease i had was old and it was causing the gears not engage cleanly thus causing the grinding sound until they were realigned.
SOURCE: 1997 chevy Blazer ZR2 4x4 not engaging
Fab only gave part of an answer. Check the vacuum lines on the driverside firewall. Also check your heater/AC unit make sure the air deflector will change from defrost to vent. If it stays on defrost no matter where you put the knob then you have a disconnected or leaking vacuum line to the dash. If that works and you don't see any open hoses then remove the battery and battery tray. You'll find the actuator there. Remove the vaccum line that goes to it, connect the battery or jumper cables so that you can start the engine. Put it in 4HI and feel for a vacuum at the line. If you do then put it on the actuator and see if it pulls on the cable. If there is no vacuum at that line then the switch at the transfer is bad and isn't sending vacuum to the actuator. If you do have vacuum and the cable didn't pull then change the actuator.
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