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Old 04-30-2014, 02:22 PM   #225
jm2
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engine mounts

Dave,

I've had some success finding certain P30 chassis parts here - Welcome to Energy Suspension X-Treme Duty Products and Energy Suspension XD Product Line

try Kevin Taeger, Sales Manager / OE Division, 949.361.3935 or kevintaeger@energysuspension.com

best,
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Old 04-30-2014, 05:02 PM   #226
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That mount would be fairly easy to build, in a pinch. An aftermarket speciality shop that builds suspension bushings would be a good starting point. Like your guy said, cut some new bushing material and just replace the failed rubber.

Hopefully someone can spot a direct replacement one and you won't have to go thru the trouble.
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Old 04-30-2014, 06:31 PM   #227
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Looking at the pictures it is pretty obvious the mount was shop fabricated. It is merely flat plates welded together with a leaf spring eye welded in place and a spring/shackle bushing pressed into the eye. I would take the half with the bushing down to the local truck spring shop and have them press a new bushing in place. Here is selection of what you need. Rubber Bushings - Leaf Spring Bushings | SD Truck Springs


Everybody will tell you that these bushings are not designed as motor mounts but just take a good look at your mount and you can see what Airstream did.
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Old 04-30-2014, 06:54 PM   #228
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I was thinking the bushing for my front torsion bar are about the same size, rear bar the hole would be too big, but if you are in a bind fabrication would be simplified.
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Old 04-30-2014, 07:10 PM   #229
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Dave the torsion bar bushings are usually pretty soft rubber and split in half with a flat side that fits against the frame. The spring eye bushings are hard rubber with an inner and outer steel sleeve. I think for a diesel engine mount I would choose the spring bushing.
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Old 04-30-2014, 08:19 PM   #230
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Thanks everyone!!! Will check out all the info tomorrow after work on the road on st louis currently. What a great resource you all are!!
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Old 05-02-2014, 06:27 PM   #231
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Okay, so I checked with my mechanic that I used in the past not the truck center one. He has assured me after looking at the pictures that the mounts gave up to ghost long ago. and the engine will not fall out like the truck center says. He asked if the did a lift pump fuel pressure out reading and not just changed the filters. He thinks the problem could be a lot of things, but the only way to know for sure would be to take it step by step. New filters, Check the lift pump out pressure and test drive. Replace the rubber fuel hoses, past 20 years and it they aren't the issue now they will be soon enough.

He will also jack up the engine to the correct height and block it. Then remove the mounts and replace the bushings with ones rated for the heavy diesel. His shop is only about 4 miles from the other one. He is going to send a guy down there on Monday to check it out, drive it back if he can or figure out what needs to be doe to do so. He will not screw me on the price since I take all my cars to him and he knows that with a restoration, I will be back if he treats me right.

He was also saying that the truck center is a by the book, replace the same in kind, kinda place. In other words, if the part is no longer available you are out of luck since they will not fabricate since they deal with commercial rigs and liability. Dee also LOVES the challenge of fabricating or figuring out how to do something that others say can't be done. He did a motor home restoration himself a few years ago and does all the work on his wife's motorhome rental fleet (about 30 coaches)

SO long story short if all goes well the moho will be moved to Dee's shop on Monday. He will start on the engine mounts and get a new lift pump to install. He has had several older moho's with cummins and says it is a commons failure. He will call me down when he replaces it so if it ever goes out on the road again, I will know how to do it. I will also keep the old one as a spare after it is checked out.

He was also a little skeptical of the bell cranks and drag link they said needed replaced. He said they didn't look new when he loked at the last year, but they were certainly good. and doesn't think I put on enough mile to mess them up. He believes it is a 20+ year old motorhome, and that is what the OEM parts looked and preformed like. They weren't super tight nor anything like the new stuff. It is a 20+ year old motorhome, and therefore, should operate like a 20+ year old motorhome not a new Honda accord!... but he will put on all the new stuff since it is already purchased. He will also do it when I am there so I see and learn. He feels if you own a motorhome, you need to watch them do everything so you know enough to handle the on the road emergencies. Since I was planning to replace all the stuff to tighten up the steering anyway it is no loss for me, just an inconvenience at this time.

AS mad as I want to be at the shop for taking over a month and getting nothing done, it is kinda hard. The cost for the new fuels filters was minimal. They didn't want to start racking up my bill by doing things until they knew they could do everything. The service manager also has had them keep it in a empty bay since it hasnbeen there to protect it from the elements and also protect it from kids and such after they are closed. So in the long run, they have not made any progress, but have made sure nothing happened to it either.

Mayco; I think you are right. I am going to learn allot about how this darned thing operates and the mechanics that make it go. Had this not happened I would not have gotten the education I have gotten in the last month. So in the end it is a win, since, I am still on my 5 years schedule, although I have had to miss a few timeline highlights (rainbow rally in Hot Springs AR )
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Old 05-02-2014, 07:18 PM   #232
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Quote:
Originally Posted by wxbuoy View Post

He believes it is a 20+ year old motorhome, and that is what the OEM parts looked and preformed like. They weren't super tight nor anything like the new stuff. It is a 20+ year old motorhome, and therefore, should operate like a 20+ year old motorhome not a new Honda accord!... but he will put on all the new stuff since it is already purchased. He will also do it when I am there so I see and learn. He feels if you own a motorhome, you need to watch them do everything so you know enough to handle the on the road emergencies. Since I was planning to replace all the stuff to tighten up the steering anyway it is no loss for me, just an inconvenience at this time.

This is the exact same thing I have said here many times however it is not a 20 year old design, it is more like a 40 year old design. But in spite of all the problems they still do a pretty good job of getting all of our aluminum bits down the highway.


I also agree that we should all get underneath our coaches and get an idea of what's going under there. You don't have to be a mechanic but if you look at it often enough when there is something different happening you can at least get it checked out before it turns into something big. I really like your mechanic.
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Old 05-03-2014, 03:30 AM   #233
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Well it sounds to me like the motorhome karma gods have decided to smile upon you!! Hehehehe. What a blessing that this new guy seems to "get it" AND is willing to let you be a part of the repair process, man what a blessing and how un common is that these days. If i was ever presented that opportunity i swear i would pay extra just for the knowledge. So glad to hear that it seems like you have been presented a great opportunity to gain a much better understanding of how your rig works.. Good on ya. (I think a lot of folks would have melted down and freaked out on the folks at that first shop, you didnt, and its paying off in the long run)
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Old 05-06-2014, 07:05 PM   #234
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45 days later and it is at a place that cares

Went with the other mechanic (my guy) to the truck center and picked up the moho today to take it a few miles back to his shop so he could trouble shoot it, replace the bushings in the engine mounts and check everything over. The truck shop killed the start batt and the combination switch in the glove box wasn't working... Got a jump cart and it started right up. Seemed to purr. Started the few miles drive to the other shop and had no issue coming up to 70 on the highway. Drove like it did before the issue. Must be a lot of crap in the tanks that clogged the new filters.

So the truck shop had it for 45 days, didn't manage to find any of the parts, just changed the filters and stopped there when the tech smelled what he called "bad fuel". I asked them why they didn't drain the tanks like I had asked several times and check the pressure from the lift pump to the high pressure pump. No answer.

Well, It is safe and sound at the other shop. This guy knows what needs to be done and and more importantly what the other shop was saying that doesn't need to be done. I am out of town the rest of the week, but hopefully can get down there to do some work on it this week-end and then hang around next week while they go through the systems with me.

On the bright side all I lost was time. Frustrating but they could have run the bill sky high and left me stranded. Instead they just charged me for the fuel filter change and kept it in the bay out of the elements until the realized it was beyond their ability... Which is sad since they call them selves a full service facility that can handle any issue.... Ironically the parts they couldn't find for 4 weeks I found in 15 minutes on line. I guess there are 2 kinds of shops: parts swappers and mechanics. I just happened to take it to a part swapper before I realized it and took it to a mechanic.

On the bright side I know a whole lot more than I did before this happened about diesel engines and suspensions. And obviously a bit more then the high end truck shop as well.
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Old 05-13-2014, 06:57 PM   #235
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As Mayco said in an earlier post " If i was ever presented that opportunity i swear i would pay extra just for the knowledge."

That has a lot of merit. I wanted to take my mechanic ouy to a nice dinner or something since he wouldn't bill me for the hour he spent with me at the other shop to make sure I got to his shop okay (He was in a chase car with his friend the flat bed tow truck driver on speed dial )

So when he call yesterday and asked if I was free this afternoon so they could troubleshoot the fuel system I said sure, and I will be there at 11:45 with lunch. So I swung buy my favorite hole in the wall BBQ joint and picked up 2 slabs of ribs and a lb of brisket to feed him and his 3 guys. Man they loved it and everyone wanted to make sure I got well taken care of if this was the treatment they got when I came to the shop! Yeah, you bet I will bring food!!

So he had one of his guys get the fuel pressure test kit and showed me how to hook it up to the main rail. The tech was going to go look up the fuel pressure specs when Dee said "you are looking for 3.8 to 5.0 psi on a new filter" Damn, he knew his stuff. I had pulled the specs the night before and they are 3-5 psi. I asked about that and he said that is the spec, but on a clean filter if you get less than 3.8 you are starting to loose your lift pump or have another issue restricting fuel delivery.... O.K. that makes sense.

So we have the gauges all hooked up and Dee say your driving. So his tech and I jump in the moho and head out for a road test. It was reading 5 psi at ideal and never dropped. We went from 45 to 70 mph on the highway. They believe it is crap in the tank clogging the filters. So the plans are to drain and drop the tank. Clean it and see what they have. If no baffles they can put a bladder inside or if it has baffles they can can use the same ameron system that commercial boats use in their steel diesel tanks. He thinks a new aluminum tank would be to $$$$$ and still have algae issues. He did this all the time on his off shore racing boats (yeah, he likes anything mechanical!) I also used it on all the ships I was on to preserve the fuel tanks. Holds up like a champ.

They will also replace all the rubber fuel lines since they are old and just waiting to be an issue. I told them to give me a call when they get ready to do the lines and coat the tank. I also mentioned that next time lunch would be the world famus Gus's fried chicken. The tech stopped me and asked for my cell so he could make sure I got word when he was ready to proceed! Worth every penny for lunch!!

He is also going to scout around some junk yards and get a proper heat shield for the turbo and see if he can locate some stainless stack pipe from a big rig. Since I will be replacing the exhaust pipe eventually, He wants to do it in stainless..... He seems to be into this project as much as I am.
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Old 05-13-2014, 07:48 PM   #236
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Fun to follow!

Dave and Felecia,
This all is so much fun to follow! I am glad it is you going through all
the learning but then we are moving along also!
Replaced the queen bed with singles on road side and curb and it completely
changed the character of the Airstream! We have now removed the carpet
and have replace the living room with cork flooring! (My back is killing me)
I will start working on the kitchen and hall tomorrow! We think both
changes will be to our liking.
We are both looking forward to your trip to Colorado, whenever that can
happen.
We are off to our second rally this next weekend, it is a maintenance rally
so we should learn some interesting things!
Have a great week,
Monty & Glenrose
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Old 05-13-2014, 08:33 PM   #237
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Monty & Glenrose


So great to hear you are doing the work! If we had kept it that is exactly what we were going to do to it! The queen bed is nice to snuggle but is a pain in the butt the other 7 hours of the night! With our sleep schedule being so different it only seemed logical to have separate beds so we didn't wake each other up. And as they say at work " you wont miss it, that's what they make picnic tables for".

Glad to hear you are going to rally's, that is what it is all about. We haven't been camping in almost a year and we miss it terribly.

Can't wait to see you guys!!
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Old 05-13-2014, 11:32 PM   #238
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Wow, your experience is opposite mine with your first mechanic. I just asked my mechanic to change out all my hoses both hydraulic and vac and fuel line. All exterior parts of motor are being redone and tranny is being rebuilt I have a 454 with a 400 tranny on my 1981 -280.
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