Newell Gurus

Yesterday I had  the rest of the tires replaced.

While the drives were off I pulled the lanyard to empty the wet tank in the back. Not much water.. a puff of rust and it didn't seal well.. as is normal with those valves. I pulled and cajoled until I thought it was sealed. It wasn't.

Today I saw the left side (driver's) completely aired down, but the right side (Passenger's was perfectly fine and holding air.

I am thinking this may help me diagnose the leak I believe I have in the check vale(s)

Experts chime in!

So if the wet tank valve is leaking and the left side (driver's) of the coach goes flat but NOT the right (passenger), what does that tell us?

Nothing.

What check valves do you refer to?

Your best bet for getting a clue is to temporarily install the isolation tool between the six pack and the left air line.