Question about Cars & Trucks
Do you have a 4 wheel drive? The electric button for shifting may have died. Replacement of the control is what I would look at. Happened with my 1999 blazer.
Posted on Jul 21, 2013
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Posted on Jan 02, 2017
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.
Posted on Apr 25, 2010
If they are the original ball joints you will have to remove the rivets on them. The new ones should come with replacement nut and bolts. You will have to remove the brakes, and move the steering knuckle out of the way (You don't have to remove the tie rod end). It isn't difficult, just time consuming. You can do it in the driveway on stands. Make sure you have a couple hours, and a case of beer.
Posted on Feb 26, 2009
check the blower motor resistor, it on passenger side under dash bolted to heater box, those go bad often, hope this is helpful.
Posted on Nov 25, 2009
Check the fuse to the 4x4, if the fuse is good then check the 4x4 electric motor actuator on the transfer case. You should hear it work from 2wd, 4hi to 4low and back to 2wd with the push of the switch. if you don't hear it working then check the wire harness at the actuator motor, look for any damages like corrosion or cracked wire connector clips. If all electrical is in good working order, replace the actuator motor. If the 4x4 actuator is working on the transfer case, then the front hub 4x4 actuator may have gone bad and that's located on the front differential. It's common for the clip there to corrode and break and is an easy fix with a new collar pin, at worst it's the diaphragm on the vacuum actuator that is located under the battery tray. There is a vacuum switch on the top of the transfer case, driver side but when that fails, your front hub stay's locked in the on position. Good luck and keep me posted and hope it's a simple fuse that has gone bad. You can pick up all these parts at Auto Zone or Parts Source and they will have the step by step instructions for you to get the job done with common tools.
Posted on Dec 15, 2009
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