Front jacks sink overnight
2017 fifth wheel, Lippert hydraulic leveling, 6 jacks. On battery
Customer says: Every morning the front end has dropped an inch or two. I have to re-level.
Reservoir at the full mark with jacks retracted. No puddles under the coach.
Tests you can run
- Fluid level, jacks retracted
- Look at every fitting, hose and jack rod for wetness
- Level it, mark each jack rod, and come back in two hours
- Swap the hoses between the front left and front right jacks at the manifold
- Pump pressure at the gauge port
- Replace the manifold solenoid valve for the front right jack
- Flush and replace all the fluid
Repair options
The lesson behind this case
Keep going on slides and leveling
Learn it
- How a slide room is built and carried
- Identify the slide system in a minute
- The in-wall controller: versions and fault codes
- Ball-screw actuator slides: clutch, stops, diagnosis
- Rack and pinion drive: electrical diagnosis
Prove it
- Slide stalls halfway out
- Slide comes in crooked
- Hydraulic slide crawls and stops
- One side of the slide won't move
- Auto-level leaves it crooked
See it in 3D
Codes and specs
- Slides: schwintek
- Lippert in-wall and through-frame slides
- Leveling: ground control
- Lippert 5th wheel hydraulic auto level