The front diff. is engeged by a thermal acuator in the front center section. check that the wiring on the pass. side of the front axle is of, if so the the acuator is probably faulty. Best to get an aftermarket posi-locking shifter if you need to replace the thermal unit.
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? 7:13
https://www.youtube.com/watch?v=IP0jhBG0jv4
Jun 30, 2012 - Uploaded by Mark Jenkins
How to Diagnose and Repair Chevy Blazer and GMC Jimmy 4WD\ 4x4 Issues .... The transfer case either doesn't want to engage, or it gets stuck in 4 lo. ... my s10 4x4, I watch your videos and I start to work on my truck,I start ...
? 9:02
https://www.youtube.com/watch?v=stooGR4BcjE
Mar 2, 2012 - Uploaded by 1A Auto Parts
I have a 1996 chevy blazer ls...my 4 wheel drive stoppedworking. ... 4l and I hear the click underneath me, but that's it..itdoesn't engage, but the ... I have a 2003 gmc Sonoma and when I put it into 4 high it feels like it does
Check for power to the front differential actuator. This actuator slides a gear in position to lock the differential to drive the front wheels. If you have power and ground to the actuator when in the 4HI position, the actuator has gone bad.The 4LO is only engaging at the transfer case, but the front wheels are still not engaged if it is not working in 4HI.
have a 95 k3500 4x4,when i shifted to 4 hi,would not engage.never once heard any type of noise in the front end.replaced both actuators,fuse is,front will not engage.please advise.ken at 989-560-1906.or [email protected] thanks
actually that first soultion is wrong it is correct on smaller pickups but on the full size pick ups they use a differnet sytem
there a electric actuator on front axle
there be two elctrical plugs on front axle u want the bigger of the two other one is just to turn the 4 wheel drive light on
un plug actuator then remove actuator after it removed plug it back in but leave it out of axle turn key on and shift down to 4 wheel drive the actuator should move out if it dont that your problem if i does move this isnt your problem it either the tranfer case or in front axle
If Your Front CV shaft is broken it will not engage...Shaft can be in visibly good shape, but you might hear a knocking sound or a shutter when turning sharply. I had this problem this last winter. Get under the truck and try and turn the CV by hand. if it can be rotated, it is bad.
the connections near the front axle that activate the motor to engage the system aren't melted? That's a comon problem for that body style. If there good, sounds like it could be that motor itself. To figure out if it's you motor or transfercase, jack up the rear end, have a friend inside shift into 4 wheel drive, or try to, and put it in gear and apply some gas. If the front driveshaft is turning then it's something with the front end. If not, farther back in the system.
my headlights wont work on my 2001 gmc sonoma
my headlights wont come on in my 2001 gmc sonoma
wont turn motor just clikes
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