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Topic: Testing travel mode / air to the RHCV (Read 473 times) previous topic - next topic

Testing travel mode / air to the RHCV

I have reason to believe both my travel solenoids on my rear sixpack gave up the ghost. Odd that it would happen to both at the same time but neither side of the rear bags adjust at all when moving from manual mode to travel mode, and they should as they're currently too extended. Before I crawl under there and pull them out, I'd like to confirm that air isn't get to the ride height control valves when in travel mode.

To do this, I should be able to put the coach in travel mode, disconnect the RHCV linkage, and manually turn the dial on the RHCV and hear/feel air exhausting out of the bottom of the valve, right? When I do that currently, I get nothing and just need someone to tell me I'm not crazy.

Likewise, I should be able to dump the air from the rear bags, put it in travel mode, and turn the dial on the valve to get the bags to inflate, right?

1987 Grand Villa ORED
2001 U320 4010

Not all that wander are lost... but I often am.

Re: Testing travel mode / air to the RHCV

Reply #1 –
Wonder if there's a separate fuse in the HWH box for rear travel solenoids.
Doug W.
96 36' U270 CSGI #4946
04 Toyota Tacoma 4x4
PNW

Re: Testing travel mode / air to the RHCV

Reply #2 –
Quote from: Doug W. –
Wonder if there's a separate fuse in the HWH box for rear travel solenoids.
Great question and it appears that there's a single fuse for travel mode that I need to check first... low hanging fruit. I don't bother trying to gauge whether or not the front is working unless I'm on really level pavement (which I am not currently), so it's possible the front isn't behaving as well.
1987 Grand Villa ORED
2001 U320 4010

Not all that wander are lost... but I often am.

Re: Testing travel mode / air to the RHCV

Reply #3 –

There is a 20 amp fuse for travel mode. On my year it is the one furthest out on the buss. My fuse was good but not making contact. I squeezed the holder and scraped the fuse and it started working and has since.
1999 40 ft. U-320 wtfe build 5563 Chuck & Lynda's "Rollin' Inn"  2030 watts solar
prev. mh's 71 GMC 5 yrs. 73 Pace Setter 1 yr. 78 Vogue 5 yrs 81 FTX 40ft all electric 18 yrs. 1996 Monaco Signature 3 yrs.
2014 Grand Cherokee Overland
Dream as if you will live forever. Live as if you will die today.  James Dean

Re: Testing travel mode / air to the RHCV

Reply #4 –
Quote from: Doug W. –
Wonder if there's a separate fuse in the HWH box for rear travel solenoids.
Doug you were close, thanks for nudging me in that direction. One of the nuts on the ground terminal had backed off. The battery power wire was grounding, but not the ignition power wire which explains why I was able to manually level the rig. I'm really glad this didn't happen while we were on the road, it's scary to think about. I would be curious to know if anyone else has the same nut set up, or if theirs has lock nuts/washers. Mine will be getting a lock washer added to it tomorrow.

As a bonus prize, I also found a magnetic work light still attached to the chassis from a few thousand miles ago when I reinforced my retarder bracket!
1987 Grand Villa ORED
2001 U320 4010

Not all that wander are lost... but I often am.

Re: Testing travel mode / air to the RHCV

Reply #5 –
Very unlikely both solenoid gave out  at the same time.

When you pull the travel fuse, you are killing travel mode and you set the travel heights manually  then can take off driving.  Have done that when  had height  valves die
2014 ih45  (4th Foretravel owned)
 1997 36' U295 Sold in 2020, owned for 19 years
  U240 36' Sold to insurance company after melting in garage fire
    33' Foretravel on Dodge Chassis  Sold very long time ago

Re: Testing travel mode / air to the RHCV

Reply #6 –
Chuck I believe the Travel mode fuse should be 7.5. I put a bigger fuse in when I was having
trouble when one of my travel solenoids was shorting out when they got wet and I burnt a
wire out in the circuit board and was lucky to find it and fix it.
Peter and Frieda Morin
1999 36ft. U320 Foretravel
Build # 5436
1998 Suzuki Sidekick Sport

Re: Testing travel mode / air to the RHCV

Reply #7 –
Quote from: oldguy –
Chuck I believe the Travel mode fuse should be 7.5. I put a bigger fuse in when I was having
trouble when one of my travel solenoids was shorting out when they got wet and I burnt a
wire out in the circuit board and was lucky to find it and fix it.
You may be right it was in '15 I had the issue memory fogs after too many years.
1999 40 ft. U-320 wtfe build 5563 Chuck & Lynda's "Rollin' Inn"  2030 watts solar
prev. mh's 71 GMC 5 yrs. 73 Pace Setter 1 yr. 78 Vogue 5 yrs 81 FTX 40ft all electric 18 yrs. 1996 Monaco Signature 3 yrs.
2014 Grand Cherokee Overland
Dream as if you will live forever. Live as if you will die today.  James Dean

Re: Testing travel mode / air to the RHCV

Reply #8 –
Congrats Elliott for your diagnosis on your issue!  Going to bookmark this one for sure!
Joe & Dottie Allen
Sold!  December 2023.      2000 U320; build # 5645
Our coach " Maxine"
Motorcade #  15922;  Escapee 150950; FMCA F330833; Boondockers Welcome;  Harvest Hosts;  Thousand Trails
'98 U320 from 2000-'06
USAF '62-'66

"Do not spoil what you have by desiring what you have not; remember that what you now have was once among the things you only hoped for." ―Epicurus

Re: Testing travel mode / air to the RHCV

Reply #9 –
I believe I would invest in a nylon locknut along with a flat washer to push the terminals flat. Remember nylon lock nuts stay tight the first use, and the more times removed and retightened the less locking power.

My 2 cents..
99 U320 40
97 Jeep wrangler toad
Now full time 8 months
Starting a new brick and wood home
Chattanooga, Tn

Re: Testing travel mode / air to the RHCV

Reply #10 –
Quote from: alan1958 –
I believe I would invest in a nylon locknut along with a flat washer to push the terminals flat. Remember nylon lock nuts stay tight the first use, and the more times removed and retightened the less locking power.

My 2 cents..

Yup: A nyloc nut, also referred to as a nylon-insert lock nut, polymer-insert lock nut, or elastic stop nut, is a kind of locknut with a nylon collar that increases friction on the screw thread.
Brett Wolfe
EX: 1993 U240
Moderator, ForeForum 2001-
Moderator Diesel RV Club 2002-
Moderator, FMCA Forum 2009-2020
Chairman FMCA Technical Advisory Committee 2011-2020
 

Re: Testing travel mode / air to the RHCV

Reply #11 –
It's not every day you get to fix your coach for $0.19  ^.^d
1987 Grand Villa ORED
2001 U320 4010

Not all that wander are lost... but I often am.