1999 GMC Jimmy "high gear truck 4x4" Questions

...high...4 low...or 2high (auto) when you select 4 low the top speed is not to exceed 25 mph. It is a very low gear for crawling or pulling. At any time you need 4 low gear you must stop trk, shift to ...

...HIGH? 1998 GMC K3500 (4X4) 6.5L (DIESEL TURBO) 4WD UNIT WORKS FINE IN LOW RANGE EASY FIX! Your Schro's are going bad in the 4WD HIGH Trans Case. This sucks i know. But i had the same problem berfore. ...

...gear. Additionally it revs high, like over 3000 rpm, delays and then eventually shifts to 2nd gear. I haven't replaced the transmission fluid and filter since 60K miles. Any suggestions short of a ...

...GEAR BUT IT WILL NOT BE IN 4 WHEEL DRIVE NO SHAFTS SEEM TO BE BROKEN. COULD THIS BE A CASE OF THE ACTUATOR BEING DAMAGED BY TAKEN IT OUT OF 4X4 AT TO HIGH OF A ROAD SPEED. This sounds like the auto ...

...gear, etc. Ended up being the idle air control valve, you can try cleaning yours with carb cleaner and see if there's any difference. A clogged fuel filter can produce the same symptoms too, that ...

...high range, Four-wheel drive low range. The gear reduction for low range is provided by a planetary gear set. The floor-mounted shifter has been eliminated. A switch, located on the upper right side ...

...high gear. It will work in high or low gear but not 4x4 low. It will work in 4x4 high but slips out every time. Not sure if it does it once you let of the gas. When going up the hill I was on the gas ...

...gear on column tap the high 4x4 then shift to reverse,back up 15feet then shift to drive.it should go into high 4x4 then if you want to go back to 2wheel high shift to neutral tap the 4x4 high until ...

...manual controls are very reliable, like in or out.If the shifter is hard moving? use some oil.Gear clash grinding first to reverse.counter shaft nose.If there is no high or low 4x4 Good

...high still nothing, so we tried 4x4 low and the truck drove and shifted thur the gears. We never went over 30mph and did get home, but where should we start looking for problem transfer case or ...