Wednesday afternoon we were leaving out of Socorro, New Mexico while accelerating from 45 to 55mph we experienced a loud explosion and looked in the rear mirror to see a huge amount of smoke and as my husband always travels with the Aladdin system displayed in the main engine page he looked down and saw there was only 3psi of oil pressure after noticing that and pulling over it was then that the alarms went off. Please note the alarms did not go off prior to the loud explosion. It was after he said wow we only have 3psi of oil pressure and made his move to pull off to the side of the road immediately. Went to the back of the coach and found a huge oil puddle. Looked under the engine to find a large hole in the side of the oil pan. We were towed to Statkus Engine Service in Albuquerque New Mexico. They downloaded the computer and the code was Oil Pressure low and it was recorded for 14 seconds. No alerts or alarms prior to event. This is a 2005 Holiday Rambler Scepter it only has 23057 miles on it and it was running exceptional until that moment. We checked the Cummins recall and this s/n on this engine falls just outside the range of s/n that Cummins calls out. According to the owner of the shop that checked all of his resources no one will touch this engine - why I do not know??? The owner also seems perplexed that no one will touch it. The owner also told us that in his 41 years of business he has only seen this happen 3 or 4 times. He also wants to cut the rear fiberglass fascia apart and cut the rear cross member and hitch out of the coach to get the engine out - is this how you remove the engine out of this coach??? We would really appreciate anyone and everyone help and advice on this. Thank you so much in advance

Moved from Forum Technical Support

Sorry to hear of your troubles. I would think low oil pressure would alarm pretty quickly, is it possible the 13 seconds was between the time of the failure until you turned the engine off? I understand the engine is not currently on a Cummins recall list, but IIRC that was around the time frame when they were having the wrist pin issues. It would be interesting to know if this is the case. Also, I'm not familiar with your rig, but I would be hesitant to cut up the rear cap just to remove the engine. If it is too large for the opening perhaps they can remove some of the components first (ie: head, exhaust manifold and oil pan) to make it fit. I know on mine the opening is more that large enough to remove the engine. Good luck.Lou05 Travel Supreme Envoy

You don't say what engine you have, I'm guessing it's an ISL. I owned a 2005 Monaco Diplomat with the ISL. I know that Monaco, with their Roadmaster chassis, made the hitch an integral part of the motor mount. I also know that the rear bumper assembly has a center section that is bolted on. Once it's removed and the doors open, the engine should be removable from the rear. I may be mistaken, but I think many of these engines are rebuilt in place.I would seriously question the information the shop is giving you. I would also check your serial number yourself, against the recall campaign Cummins had for wrist pin issues. The numbers were 46543077 thru 46603939.If your engine does fall within those numbers, I would make a call to Cummins. I always thought this recall, where the engine could blow, was never handled correctly by Cummins. They put a stupid sensor on to tell you when it would blow, but wouldn't warranty the engine past the standard warranty.

What does he mean"no one will touch this engine"? I would be calling another shop. Call Cummins yourself and explain he situation. Ask them who they recommend. Don't let this shop start cutting your MH apart. I hope you have your service records.

Tyler0215 wrote:What does he mean"no one will touch this engine"? I would be calling another shop. Call Cummins yourself and explain he situation. Ask them who they recommend. Don't let this shop start cutting your MH apart. I hope you have your service records.why do u need service records? its 12 years old there is zero warrenty

2005 Holiday Connecting Rod Failure | Good Sam Community

tinkerer
Explorer
Dec 19, 2016
If you can prove it was a wrist pin failure, I would strongly suggest you take it to an authorized Cummins dealer. I did that with my cracked #53 block that was out of warranty. The dealer can't do much for warranty work, and Cummins tried to blow me off, but I had a lawyer get involved and they took notice. I did get a settlement. It wasn't for the whole repair but it was better than nothing. Good luck and keep us posted.
Mr_Mark1
Explorer
Dec 18, 2016
Usersmanual, do not private message me. I'm not going to read the message that you sent. Block me if you don't like reading my posts.

I have zero interest in what you think or have to say.

Merry Christmas,
MM.
Dollfundeb
Explorer
Dec 18, 2016
We will definitely let everyone know how the process goes along
usersmanual
Explorer
Dec 18, 2016
ISL 400 engine within a specific S/N range for Wrist Pin failure. The S/N range is 46543077 - 46603939 for the 2005- 2006 year.

cummins will assess each application for warranty on a case by case
Mr_Mark1
Explorer
Dec 18, 2016
Mile High, yep, got a private message from him 4-1-16.

He didn't like my response to a post. Some people just can't move on.

Deb, I also want to hear updates on what Cummins will do for you.

MM.
Mile_High
Explorer
Dec 18, 2016
Just a PS, anyone had to block a "lafrentz" on PM? Seems like the same person.
J-Rooster
Explorer
Dec 18, 2016
Deb, I'm also sorry to hear about what happened to you! I'm in hopes that Cummins will step up to the plate and take care of you. It's all about customer service! Keep us posted to what happens!
DSDP_Don
Explorer
Dec 18, 2016
Back to the OP.....as I said earlier, I thought they handled the wrist pin recall poorly. I've always thought that Cummins and especially the ISL were one of the best motor home engines ever built. It's still a preferred motor, 10 years after it became a standard motor in many coaches.

With that said, they should have repaired all of the engines within the wrist pin recall (reallistically impractical) or give an extended time frame for the warranty, since most of the engines were deemed okay if they got past a certain mileage, which I think was 25K.

Push them hard for a repair, the squeaky wheel gets the grease and all they can say is know. You have nothing to lose. Good luck.
Mile_High
Explorer
Dec 18, 2016
Dollfundeb wrote:
After all of the excellent advice from everyone, we have taken every bit of it and put it to good use. We called the RV rep from Holiday Rambler and he said to get that coach out of there immediately, and he gave us a reps name at Cummins who told us the same thing and move it over to a Cummins dealer in Albuquerque as he believes this catastrophic event may indeed be part of the recall with the bad wrist pins and they will take the motor apart and verify and they will be able to help us out. We cannot thank everyone enough for all of the advice. This group is beyond awesome

If you can get it to Denver, we have a HUGE Cummins service center. It would be about a 400 mile tow but might be worth it in the end. They do a lot of motorhome service there, as I always am in awe at the rigs that pull out of there.
Mile_High
Explorer
Dec 18, 2016
X6 and 7

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