When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
My truck will not remain in first gear. It will shift into it (while running) but as soon as you try to drive it, it will pop out. Any Ideas? I bellieve it is the Clark 4 speed OD.
I have removed the inspection plate, and found that all the gears looked fine... however, I noticed that the upper shaft and gear assembly all move when shifting it into first.