Question about Cars & Trucks
This is in reference to a Drive Bobcat mobility scooter...
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Posted on Jan 02, 2017
SOURCE: four wheel drive not engaging
You can check the vacuum lines and diaphram that are located underneath the battery shelf. Comes out really easy. Check that the lines are not broken. There is a vacuum line that runs to a solenoid in the center of the fire wall, make sure they are not broken there, and there is an actuator cable that runs to the transfer case. Sometimes it is as easy as replacing the vacuum hose, the actuator cable, or the diaphram under the battery shelf went bad. If you ever had a battery leak acid because it went bad.....that acid goes under the shelf and eats those lines. Hope this helps.
Posted on Oct 01, 2008
Reset the computer by disconnecting the battery. This should solve this. nutetral is for the four lo only to engage.
Posted on Feb 02, 2009
Check the switch on the transfercase remove the vacume lines if there is oil in them the switch has to be replaced and the lines should be cleaned out you should also check under the battery tray to make sure the boot is not ripped that controls the leaver to engage the front axel
Posted on Feb 16, 2009
your problem sounds like either the transfer case control module located where you hear the clicking sound, or the actuator on the transfer case itself.
try unplugging the transfer case control module and then plug it back in, try engaging 4wd again (make sure your in neutral, coasting at 1-2 mph might help as well) if it still doesn't work check the actuator itself to see if the actuator is trying to engage. if the actuator is trying to engage but doesn't, take the actuator out and check it for wear or damage. if the actuator seems fine and it responds to the buttons when pressed i'd go after the transfer case control module as the culprit. ran into that a few times on those s-10's. 3 out of 4 that i've seen were fixed with a new tccm. 1 of the 4 needed an actuator, check your local junk yard for a working tccm or actuator.
hope this helps!
Posted on Feb 17, 2009
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