Just purchased an 07 Allegro Bus with HWH automatic levelors. They work fine, but when activated to level the coach, they screech loud enough to wake the dead. HELP please.
Recently over on the iRV2 Entegra Owners Forum there was a lot of chatter about noisy jacks. Although a different manufacturer (Equalizer System Jacks), one of the fixes was to use Caterpillar Hydraulic Oil Additive (Part # IU 9891). I would definitely start with HWH because not all seals and oils are compatible, but if they do not provide a resolution check out this thread: