Gulf Stream Owners RV Forum
 


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Old 07-21-2018, 04:58 PM   #1
Washington travler
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Default new owner of a 1992 Sun Voyager cummigs diesel pusher

I believe its a 5.9 tubo diesel although it does look larger. 61,000 miles. need to do maintenance.

What are the oil filter numbers?

Synthetic or rotella?

Owner left filters in side compartment but diesel filter looks real small like a car filter.

Read all posts on class a pertinent to my coach but no love. Have to order some parts from amazon like front key but need to up order to 25 bucks or more. Roof auto light bulbs have a led replacement. Head light have a led replacement?

Jim
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Old 07-25-2018, 04:06 PM   #2
xwhyz1959
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Greetings! And congratulations on your new ride! I picked up a 92 SV myself not too long ago with 66K on the clock. Previous owner left a lot of good things in it for me, a box of empty filter boxes with numbers, and receipts. These are WIX filter numbers, and I think you need four different filters.


Oil filter 51607
Fuel/Water 33357
Oil Filter 51268
Fuel filter 33358


Why 2 oil filters on the receipt, I don't know. I haven't performed the service yet, so I don't know if the 5.9 takes 2 oil filters. Maybe you can ask your parts guy.
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Old 07-25-2018, 11:42 PM   #3
Washington travler
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Default Thanks for the info

Did some research and found a few things the 5.9 have problems with fuel pressure from the lift pump and a dowel pin in the timing cover. Found them at
https://www.genosgarage.com/tech_info. The fuel lift pump seems to be the most troublesome. So I am going to put on a fuel pressure gauge.

Keep in touch as I get to know this old beast.
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Old 07-29-2018, 05:58 PM   #4
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Quote:
Originally Posted by Washington travler View Post
Did some research and found a few things the 5.9 have problems with fuel pressure from the lift pump and a dowel pin in the timing cover. Found them at
https://www.genosgarage.com/tech_info. The fuel lift pump seems to be the most troublesome. So I am going to put on a fuel pressure gauge.

Keep in touch as I get to know this old beast.

I read about the Dowel Pin issue (and that fix) as well when we first got our Coach last year (w/ 5.7 12V).


When we took our Coach to Cummins NW (Oly) for maintenance and some repairs, I forgot to ask about that to see what they say. We had hoses, belts, filter including that big expensive air filter, chrome tail exhaust pipe replaced, exhaust manifold and turbo replaced. Radiator flush and new fluid, oil change, shocks replaced, parking brake adjusted and overall safety inspection. Probably would have been a good time to do that Dowel Pin fix.



Are you going to do that Dowel Pin fix?


Quote:
Originally Posted by Washington travler View Post
The fuel lift pump seems to be the most troublesome. So I am going to put on a fuel pressure gauge.

Their doc says:



Quote:
While the addition of a fuel pressure gauge isn’t necessary on the ‘89-‘98 12-valve engines with the
mechanical fuel delivery pump, we can offer some tips should you want to install a gauge.









.
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1996 36' Gulf Stream Scenic Cruiser (Model #8360) on 1995 Spartan EC-2442 Chassis w/Air Ride | Cummins B5.9L 12V 230hp | Allison MD3060 6-Speed WTEC II
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Old 07-30-2018, 05:36 AM   #5
Sundancer268
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I got the following information direct from Cummins.
LF3806 is the oil filter recommended for your engine, the total system capacity is 16.3 liters [17.2 qt].
Thank you for contacting Cummins.
Miranda
Filtration Technical Assistance

If we have misunderstood the information in your communication or you have additional questions please feel free to respond to our support staff by e-mailing fleetmaster.us@cummins.com or call Monday through Friday, 7 a.m. to 5 p.m. CST at 1-800-22FILTER (1-800-223-4583). If you are located outside of North America, you can reach us at 615-871-5100.
Visit us at www.cummins.com or www.cumminsfiltration.com
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1995 Gulf Stream 34' Scenic Cruiser Diesel Pusher 8344WFD, 1984 Shasta TT 28'
2005 Ford Focus ZXW Automatic Toad
Road Master Sterling All-Terrain Tow Bar
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Old 07-30-2018, 07:08 AM   #6
xwhyz1959
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Originally Posted by CoachStreamr View Post
I read about the Dowel Pin issue (and that fix) as well when we first got our Coach last year (w/ 5.7 12V).


When we took our Coach to Cummins NW (Oly) for maintenance and some repairs, I forgot to ask about that to see what they say. We had hoses, belts, filter including that big expensive air filter, chrome tail exhaust pipe replaced, exhaust manifold and turbo replaced. Radiator flush and new fluid, oil change, shocks replaced, parking brake adjusted and overall safety inspection. Probably would have been a good time to do that Dowel Pin fix.



Are you going to do that Dowel Pin fix?





Their doc says:












.

Holy cow!! What did all that set you back? How many miles on this at the time?
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Old 07-30-2018, 01:20 PM   #7
Washington travler
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I read a little about the fuel pressure from the mechanical fuel pump. Seems they do not specifically recommend gauge due to injector pump overheating but the general theory is more pressure the better to a point. Several people wire a electric in series to increase pressure due to turbo requirements and cooling of injector pump. I will probably go that route with a fuel pressure gauge. Small expense to not get stranded or premature wear due to low fuel pressure.

The dowel pin deal really worries me, Did some research last night it is only from 1-2 percent of coaches have an undersized pin. May just to have piece of mind do the fix. I looked at some of the devastating results. I do not believe the motor coach are that susceptible to it falling as they are driven much different that trucks. IE no hot rodding or quick stop and starts.

Quite a good inspection. How much does Cummings charge per hour of labor? Need to run mine in if I can afford it. I am capable of doing my own work but it is much easier to let the pros do it.

Thanks for the info:

Jim
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Old 07-30-2018, 01:27 PM   #8
Washington travler
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Quote:
Originally Posted by Sundancer268 View Post
I got the following information direct from Cummins.
LF3806 is the oil filter recommended for your engine, the total system capacity is 16.3 liters [17.2 qt].
Thank you for contacting Cummins.
Miranda
Filtration Technical Assistance

If we have misunderstood the information in your communication or you have additional questions please feel free to respond to our support staff by e-mailing fleetmaster.us@cummins.com or call Monday through Friday, 7 a.m. to 5 p.m. CST at 1-800-22FILTER (1-800-223-4583). If you are located outside of North America, you can reach us at 615-871-5100.
Visit us at www.cummins.com or www.cumminsfiltration.com
Thanks for the info. Did not know there was Cummings service center in Olympia. Just learning.
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Old 07-30-2018, 03:10 PM   #9
CoachStreamr
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Originally Posted by Washington travler View Post
Thanks for the info. Did not know there was Cummings service center in Olympia. Just learning.

Yes, that's where I tooks ours. The RV hour rate is a little higher than the commercial truck rate (they have to work around all the stuff in the back bedroom) but you can join that cummins club and get 10% off labor and parts.. really helps and joined is cheap, it is a annual thing. They can sign you up there during your visit. I dealt with William, Service Supervisor



It's also one reason I preferred a Cummins vs a CAT. Over the last several years, we looked at so many RV's. We were patient and waited for the right one for us (and deal).




.
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Old 07-30-2018, 03:19 PM   #10
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Originally Posted by xwhyz1959 View Post
Holy cow!! What did all that set you back? How many miles on this at the time?

Bought w/60K from 2nd owner (since 2004). He came from Nevada to Washington a few years back, he had Pac brake installed and also a radiator cooling sprinkler system installed. He towed a lot and in the hot climates going up elevation, would run pretty warm. That sprinkler took care of that he says. Have all the records going back including from the 1st owner who paid $176K new, from the Invoice. Second Owner is one of the top guys with Homeland Security / Air Marshals here in Western Washington (I confirmed this before meeting). Great guy, they bought their retirement house on the Washington Coast last year and no longer will be traveling with a RV, thought we paid a fair price, taking in account the service I wanted done. Second owner did updates that we would have done - replaced carpet with laminate through out, custom cabinet up front with flatscreen and the one in the bedroom. Newer Toyos (3-4 years old) all around. He added the Travel'r Dish and other things.


We bought the Coach and offered/paid with many of these things in mind. Our budget was $35K but we offered/paid less than 1/2 of that for the Coach.



I wanted to replace all belts, all hoses, oil change, radiator flush etc. That was around
$1500-$1600 if I remember correctly.



The Propane tank mount was cracked so I thought that could be fixed but in the end, no one would fix it (citing liability issues). Had to replace that and it's a big tank. That was one thing I didn't price correct, thought it would be $200 or so - was more like $1400 to replace with a new Manchester tank (another company in Oly next to Cummins did that). Regulator was replaced as well (original setup had 2 regulators, replaced with a high capacity regulator) and I had them clean up /paint that bin where the tank is located (while the tank was removed).


Cummins did replace all 4 shocks (2 were hanging) and I got new old stock off ebay.


When I picked the Coach up, the new belt(s) was noisy, they thought that would settle down. Two weeks later, still very noisy so I brought it back. The tensioner was replaced and at that time the same tech that did the inspection the first time found a blowout in the exhaust manifold. Removing that, there was also a blowout in the turbo, I looked at both parts and both blowouts were clear. They covered the tensioner and labor at no cost and we paid about $2400 (parts / labor) for the new exhaust manifold and turbo kit (this Coach has a exhaust temp gauge so they drilled for that as well).


I priced the manifold and turbo kit for parts (various places) myself and they weren't cheap just to buy the parts - I think they were very fair with us.


I spoke to Spartan (several times) to get the right coolant system hoses, there is more than one configuration for our specific engine. That did take a little time and I landed up ordering some of these hoses myself to save money (no need for Cummins markup). I have some new extra hose(s) left and I have the old hoses that I will keep for backup (and will keep in the basement storage).



Shocks were about $225 for all 4 and I bought some hoses. Cummins didn't have any problem with me supplying parts for them to install when and if needed. I dealt with William


She runs so smooth and quiet now.


I highly recommend Cummins NW in Oly, dealing with William.


Still want to have the Allison transmission fluid changed/serviced but I am going to do the fluid analysis first thru JG Labs


https://www.jglubricantservices.com/online_store.html

Cummins could do that but I was goign to use Brazel's RV Performance in Centralia (Highly rated) but may go to the actual Allison Distributor in Kent (I think it was Kent), seem to be a little cheaper for actual TranSynd (Brazel's uses another approved one), which is what I want to convert to in our Allison MD3060.


Also, Cummins doesn't do any hydraulics there, I have one leveler sticking so I will probably have Brazel's look at that. Cummins can do all the other Chassis stufff though, they tracked down and repairs a couple of leaks in our air-ride system (during 1st visit).


Thinking of having a Safe-T Plus Steering Stablizer installed with Brazel's unless I select the Roadmaster reflex, Roadmaster factory is down south about a 1 1/2 - 2 hour drive only.


Brazel's could look at/repair the sticking leveler, do transmission service and Safe-T Plus or Roadmaster.


.







.
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1996 36' Gulf Stream Scenic Cruiser (Model #8360) on 1995 Spartan EC-2442 Chassis w/Air Ride | Cummins B5.9L 12V 230hp | Allison MD3060 6-Speed WTEC II
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