Air suspension

[dthollis1961]

Phil,

Did you release the parking brake today? I'd bet you have a leak in
a rear brake diaphragm (or hose) when the parking brake is released.

David Hollis 84FC35 Springfield,IL


--- In WanderlodgeForum@yahoogroups.com, "iwander_85pt40"
wrote:
>
> Hi all,
>
> Last weekend as we returned home from a short trip, the front air
bags
> deflated while on the freeway. It was easy to tell when I went
over
> the first bump. Luckily, we were within a couple of miles of
home,
> so I eased on in.
>
> Here are the symptoms:
>
> Front air bags deflated while cruising;
> Air pressure--80 psi;
> Brake pressure maintains at 70 psi;
> Dumped the tag axle to back into parking spot--drive axle bags
deflated;
> My wife said she could hear an air leak as I was backing in;
> By the time I finished backing in, set the brakes, and exited the
> coach, the air pressure had dropped almost to zero, so I was
unable to
> pinpoint the leak.
>
> I couldn't do anything about the issue during the week because of
work.
>
> Today, I started the coach up to build air pressure, and look for a
> leak. Everything worked normally, although it took awhile for the
> suspension to air up.
>
> And, of course, there is no air leak to be heard. What else is
new?
>
> Anyway, the Ridewell manual points me to the suspension air filter
> (possibly clogged) as causing slow air bag inflation and, of
course,
> an air leak in the lines/fittings, causing the suspension to drop.
>
> However, I don't find anything that explains the deflation of the
> front air bags, and subsequent deflation of the drive axle air bags
> after I dumped the tag.
>
> Because my wife heard an air leak, and because things seemed to be
> somewhat normal today, I suspect a valve within the air suspension
> system is malfunctioning.
>
> Anybody experience the same issue? If so, what was the fix?
>
> Anybody know where the suspension air filter is located?
According to
> the schematic, it appears to be between the rear air tanks.
>
> Other suggestions are welcome.
>
> TIA,
>
> Phil
> 'iWander' 85PT40
> Left Coast
>