97 GMC K1500 - When I push the 4x4 button, only the passenger (right) side goes in. Drivers side tries to lock in but only clicks and surges. I replaced the drivers (left) axle and hub/bearing assem. - Not sure what to try next - Just hit 200,000 miles on it. Replaced the engine at about 190,000 with a GM Crate 5.7 350 - Thanks in advance
RECHECK YOUR WORK. YOU MAY NOT HAVE ASSY INSTALLED CORRECTLY OR YOU MAY HAVE DAMAGED THE SENSOR ARE YOU SURE AXLE IS PLUGGED IN ALL THE WAY?
Thank you - I will double check the sensor. The axle should be in all the way. I torqued it to proper specs, but I can double check that also.
RAUL, I SAW IN ANOTHER COMMENT THAT THIS PROBLEM WAS PRE-EXISTING CHECK THE LOCKING ASSY ON THE HUB THE BRASS OR PLASTIC PIECES OFTEN FAIL
I will check that - thank you
When I changed the hub/bearing and half shaft, that didn't get changed with it? Or are you thinking the new one failed in the bearing/hub?
NO,CHECK THE UNIT THAT GOES ON AFTER THE BEARING
I can't think of anything that goes on after the bearing. (from memory so might be off a bit) - remove tire, remove caliper, remove half shaft nut, remove 3 bolts through holes, unplug sensor .......... if I remember right
THERE IS A ACTUATOR ON THE SIDE OF THE DIFFERENTIAL THAT LOCKS 4 X 4 IN OR OUT .THIS MAY BE THE ISSUE. START THERE, IF THIS DOES NOT CURE THE PROBLEM THEN IT IS INTERNAL. HOPES THIS HELPS. LET ME KNOE
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Did this problem exist prior to replacing the front left axle? If not, its possible the sensor (if applicable) isn't properly secure, got dirty, or is faulty - or, you have a mechanical issue within the hub itself. I suggest taking the hub back apart (without taking the axle out) and inspecting the unit for possible damage you may not have seen before, or that may have happened during installation without you knowing.
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