Its in baby!

I took off that main bolt by slipping this long pole that came off my jack onto the ratchet, it was like 6 feet long but worked like a charm. No air compression needed, but it was on there quite strong, I would've used a mallet before a compressor though :) j/k
 
U need new belt sizes and no it doesnt auto tension, I had to do it several times because the bests streched since they were new
 
Back