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Old 11-19-2010, 07:10 PM   #15
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I get this Monroe part number 555043, for my 99 chassis .

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Old 11-20-2010, 09:09 AM   #16
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Yes, that is the same spec as the Bilstein F4-B46-1398-WO, and are gas shocks, not the spring assisted shocks as required on the earlier Mor-Ryde tags. Yours, being the later vintage do not require the spring assist to keep the tires on the ground during braking or uneven surfaces while driving. The air shocks that I am currently using do all that and more because I can adjust minimal side-to side loading to offset some of the left and right weight of the rig.

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Old 11-21-2010, 09:36 AM   #17
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Originally Posted by Houndog View Post
They did the trick for 2 trips, now the original problem is back . I'm pretty sure one shock is shot,, Thanks Big Dan, I'll get a set of them , I like the idea of them being adjustable also.. Ted

I bought my shocks from Rock Auto on line for around $60 + freight. I had them in about 5 days as I remember. I am very happy with them and will do some more road/load tests when the weather gets better.
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Old 11-21-2010, 11:10 AM   #18
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Originally Posted by big-dan View Post
No, they are not the same tag axle in that the early ones (1990-1992 or so) require helper springs on the outside of the shocks to pre-load the shocks in order to get the proper balance between the tag axle wheel and the driving wheels, and without these helper springs, the tag axle wheels will skid when you apply the brakes, even on dry asphalt due to not carrying enough load to prevent them from skidding. It also says that the tag axle is not carrying the load it was designed to carry, thus loading the driving wheels with more than they were designed to carry.
I actually went back and checked on my 2000 Tropical model, and in fact, it was the 1999 F-53 chassis-- looks like the same as HoundDogs. I do remember that it did not have the helper springs.

I also did a weight check in those years, with of all 3 axles when fully loaded, and it was within specs of the manual's/chassis requirements. I know that the shocks made a big difference over the OEM originals and that that 37' coach really had a fairly solid, stable ride in high wind wind, no porpoise-ing, didn't suck you off the road when passing oncoming semi's, etc. I added a SteerSafe to the unit and that I think helped as well.

Adding air assisted components sounds like it would be a great improvement as well.
2007 Monaco Dynasty
44'; ISL 400; SFT
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Old 11-23-2010, 06:36 PM   #19
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One further note on installing the air shocks on the earlier tag axles: Be sure and do a visual on the bottom shock mount to ensure that there is room for the air bladder when inflated. You may have to bend the upper outer edge out of the pocket that the shock sits in to prevent that sharp corner from perforating the bladder. It is very easy to do and only takes about 5 minutes per side to bend. I have seen this happen to one of my friends and it ruins the air bladder and has to be replaced when this happens.
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Old 11-30-2010, 09:06 PM   #20
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I just added 6 new monroe gas magnum shocks to my 96 HR w/ tag, I have driven one trip to Marina, from the Sacramento area, it appears to ride a lot better but my concern is when I am sitting still the smallest breeze seems to rock the coach. I don't like this and was wondering if maybe I made a mistake not putting new bilstiens on instead, I did the monroes purely on cost.

Has anyone ever tried to dbl up the shocks on each side of the axle? Would this help? I would have a total of 8 in the rear (don't laugh guys I am just asking) The tag would need four also.

Am I nuts or just wait until they wear out in a few years and go back to bilstiens then?

On a side note I did add the firestone ride rite bags to the drive axle and it does ride better. I was looking for that airbag ride of the DP's LOL, LOL, LOL YEAH I KNOW It's not gonna happen until I can get a DP.

2001 NRV, Islander Dynomax chassis
330 turbo cummins/allison
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