Forum Discussion

jpwiggo's avatar
jpwiggo
Explorer
Jan 03, 2017

Keeping Jacks Down for Storage to reduce tire flat spots

I know from my tire engineer friends, that the weight sitting in one spot is bad for these 22.5 RV/commercial type tires, and reduces tire life. I'm still on my OE tires (11 years old) and want to ke...
Class A
Tom_Barb's avatar
Tom_Barb
Explorer II
Jan 04, 2017
frankdamp wrote:
The pistons stay inside the cylinders all the time. It's the piston RODS that extend outside the cylinders on hydraulic levellers and that's what developed the corrosion on mine. .


The lift cylinders on my HWH system are hydraulic and the rod end of the cylinder is chromed and sticks out when the cylinder extends, lifting the coach.

how a hydraulic cylinder works

About Motorhome Group

38,769 PostsLatest Activity: Apr 03, 2026