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Cummins 24 valve engine

belsy88
Explorer
Explorer
We have a '98 holiday rambler endeavor with a cummins 24 valve Diesel engine with turbo. We just broke down and were told one of the turbos went outweigh is costing us about 4,000. The mechanic told us a new engine would run us 30-40 grand. This seems to be a lot. Anyone have any experience or know anything about engines?
29 REPLIES 29

wolfe10
Explorer
Explorer
powderman426 wrote:
I looked at your other post about overheating. If that problem hasn't been resolved, it needs to be. Most common issue is poor air circulation which is easily fixed by cleaning radiator fins.


Let me clarify this-- assuming this is a SANDWICHED cooling system on a DP: CAC (Charge Air Cooler) is in front of the radiator. It on the FRONT of the CAC that the dirt will be deposited. Cleaning the back of the radiator from back of coach will NOT removed the clogging debris from the front of the CAC.

And, your cost quotes were way off in intergalactic space.
Brett Wolfe
Ex: 2003 Alpine 38'FDDS
Ex: 1997 Safari 35'
Ex: 1993 Foretravel U240

Diesel RV Club:http://www.dieselrvclub.org/

btd35
Explorer
Explorer
So 5 years ago my Dodge Cummins water jacket cracked from the known defect in the casting. However, I pulled the engine and had it rebuilt. Cost me $5000 and I reinstalled it. Now has nearly 100,000 on it and getting broke in. Was given quoat from dealer for new installed, $13,000. 5 years ago prices. Yes a turbo can be near 2 grand, but labor shouldn't be much. Still those prices your mechanic gave are high. Time for a second opinion. Your post is a little confusing. I based my reply on comparison to other reply's.

Tom & Beth
05,Grand Junction 35TMS
99, Dodge 3500 Dually.

zb39
Explorer
Explorer
Go to www.turbodieselregister.com they will answer all your questions on the I5.9 and 6.7. Your mechanic is high.
2017 Host mammoth, sold
49 states, 41 National Parks, 7 Provinces
2019 2 door Rubicon 6 spd.
2019 Berkshire XLT 45B
2022 Host Cascade
2021 Ram 5500 Air ride

havasu
Explorer
Explorer
#1 it is a complete fallacy that motorhome diesel engines last 500k miles - those mileages are reserved for OTR truckers who almost never switch their engines off. Motorhome engines are abused all of the time by stop and go and have similar life expectancy to a gas engine.

A new ISC engine would be around $20k plus installation - his estimate was on the high side.

You also need to find out what happened to the turbo - if the bearing seized then a replacement turbo may be all you need - if the blades shattered then a new engine is in order as the engine would have ingested metal fragments.

You could probably get the old engine rebuilt for $10-15k but looking around for a good used one might be another options.

Sully2
Explorer
Explorer
belsy88 wrote:
We have a '98 holiday rambler endeavor with a cummins 24 valve Diesel engine with turbo. We just broke down and were told one of the turbos went outweigh is costing us about 4,000. The mechanic told us a new engine would run us 30-40 grand. This seems to be a lot. Anyone have any experience or know anything about engines?


Those prices arent even in the ballpark. Get different quotes
presently.....Coachless!...
2002 Jeep Liberty
2016 Ford Escape

powderman426
Explorer
Explorer
I looked at your other post about overheating. If that problem hasn't been resolved, it needs to be. Most common issue is poor air circulation which is easily fixed by cleaning radiator fins. I'm not sure on that engine but on my 05 when the clutch fan died it overheated on any hard pull. You definitely need to search out a new mechanic. As a side note, if you experience overheating as a emergency measure to get you to safety you can turn on the heater and it will lower the engine temp. Good luck and hope you can find a good mechanic.
Ron & Charlotte
WD8CBT since 1976
32' Gulfstream Ameri-Camp & 05 Ram QC LB

I started with nothing and I still have most of it left

I never fail, I just succeed in finding out what doesn't work

Sully2
Explorer
Explorer
Captain_Happy wrote:
This is just another reason I no longer own a diesel of any kind. When things happen, it's major big bucks to fix.


GET REAL!!! Geeze
presently.....Coachless!...
2002 Jeep Liberty
2016 Ford Escape

JackMS
Explorer
Explorer
belsy88 wrote:
were told one of the turbos went outweigh is costing us about 4,000.


Never seen one with more than one turbo unless super modified. Typo??? Or did he say that? We buy turbos for m11 and n14 cummins under $1000 reman or new. With labor i cant see $4000.
2005 Holiday Rambler Neptune 34pdd, Cummins ISB 300, Allison 2500MH, Onan 8.0QD
Prior Toad-2001 Chevy 2500 CC 4WD
Toad-2012 Honda CRV, Blue Ox Aventa II

Stefonius
Explorer
Explorer
Definitely too much for the turbo and/or engine by itself, but I have to wonder how much of that price is labor. Does the mechanic have to do anything appalling to get the engine out in the first place? For example, to service the engine in my F450, the first step is "Remove the cab from the frame".
2003 F450 Crew Cab, 7.3 PSD "Truckasaurus"
2010 Coachmen North Ridge 322RLT fiver "Habitat for Insanity"
I love my tent, but the DW said, "RV or Divorce"...

Snomas
Explorer
Explorer
I just had to replace the Turbo, exhaust manifold, fuel punp and engine head @ 84K mi. The turbo part alone was about $1800.
2006 WINNEBAGO ASPECT 29H Ford E450 Super Duty
2018 F150 Lariat Crew Cab, Coyote 5.0 L RWD

John_S_
Explorer II
Explorer II
But more people replace transmissions and engines sooner on gas motorhomes tan on diesels. Properly cared for the engine should last 500 k at least if not 1 million miles. Sure stuff can happen but I love my big oil burner. Power and torque on tap and a industrial generator that is rated at 30,000 hours. I have the ISM which is the smallest of the heavy duty engines and love that it turns 1350 RPMs as I am running down the road.
John
2015 Born Free Royal Splendor on a Ford 550
2018 Rubicon
Boo Boo a Mi Kie
42' 36' & 34 Foretravels sold
2007 Born free 24 sold
2001 Wrangler sold
2012 Jeep Grand Cherokee Overland sold
Susie Dolly, Lolly &Doodle (CKC) now in our hearts and thoughts

Captain_Happy
Explorer
Explorer
This is just another reason I no longer own a diesel of any kind. When things happen, it's major big bucks to fix.

John_S_
Explorer II
Explorer II
I thought the endeavor came with an 8.3 engine in that vintage not the 5.9 that is inthe pickups. I was looking at them a it later and they had a bigger engine. But searching on it I did see that it is a 5.9 engine. I would think that is cheaper than 30 - 40k. I just searched for a reman engine and it was just under 5 k with 1000 core.
John
2015 Born Free Royal Splendor on a Ford 550
2018 Rubicon
Boo Boo a Mi Kie
42' 36' & 34 Foretravels sold
2007 Born free 24 sold
2001 Wrangler sold
2012 Jeep Grand Cherokee Overland sold
Susie Dolly, Lolly &Doodle (CKC) now in our hearts and thoughts

path1
Explorer
Explorer
X2 on finding another mechanic. I glanced at your previous posts. Is it Overheating again? When was the last time all the junk was washed out of radiator that is if you have rear radiator?

Ya, the valve of my 2001 p/u just went up. How about 1/2 price of what your mechanic said? And I'll drive it to you. 68,000 miles. OK joking, I couldn't part with her.
2003 Majestic 23P... Northwest travel machine
2013 Arctic Fox 25W... Wife "doll house" for longer snowbird trips
2001 "The Mighty Dodge"... tow vehicle for "doll house"

Clanton24V
Explorer
Explorer
Well considering my 2001 dodge ram with the 24v HO cummins. 6spd manual 4x4 LB quad cab. was only $35,000 when new I'd say your mechanic is a bit off on his price for a new motor. Sorry can't offer any real help but it may be well worth your time to find another mechanic.