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03-01-2021, 06:09 PM
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#1
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Senior Member
Join Date: Jul 2020
Location: League City, Texas
Posts: 223
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ISL Head Gasket Replacement
Hey,
We are looking at a coach that appears to need the head gasket replaced. It is wet by the head gasket, and the valve cover interface looks dry.
So has anyone had one replaced lately? Roughly how much? I am looking for a ballpark figure for negotiations.
thanks
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03-01-2021, 06:19 PM
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#2
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Senior Member
Join Date: Sep 2020
Posts: 1,482
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Have him pay to fix it, then buy the rv...
This isn’t a repair you can defer for a later date. You’re going to pay $$$$ for a head gasket replacement. May involve pulling the entire motor...
And... they may find more to fix...
As a seller, I would totally want to sell as is...
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03-01-2021, 06:47 PM
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#3
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Senior Member
Join Date: Jul 2020
Location: League City, Texas
Posts: 223
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Quote:
Originally Posted by bpu699
Have him pay to fix it, then buy the rv...
This isn’t a repair you can defer for a later date. You’re going to pay $$$$ for a head gasket replacement. May involve pulling the entire motor...
And... they may find more to fix...
As a seller, I would totally want to sell as is...
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The coach has very good access from above. The bed is north/south and the access panel is basically almost the size of the queen bed. Also side radiator.
I guess I should have added that upfront in the original post.
I would rather I the price drop and I pay. That way I can be more assured of the quality of the repair. But I understand some would agree with your comment.
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03-01-2021, 07:18 PM
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#4
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Senior Member
Join Date: May 2016
Location: St. Maries, Idaho
Posts: 959
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I would call Cummins and get a quote. This could be a simple head gasket replacement or it could get expensive. Things might break taking off the head. I’d magnaflux the head after removal to make sure it’s not cracked. Figure for the worst and hope for the best.
Bill
__________________
2003 Country Coach Intrigue 36'
Cummins ISL 400
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03-01-2021, 07:27 PM
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#5
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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If the head needs replacing figure on $5,000 at least. On my ISX just a reman head is almost $5,000 and labor was $105/hr a couple years ago.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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03-01-2021, 07:31 PM
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#6
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Senior Member
Join Date: Mar 2019
Location: Lansing MI
Posts: 2,825
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Just something to keep in mind. Head gaskets usually don't fail for no reason. Has the engine been overheated? Is the head warped? Those are just a couple of things that could have caused a head leak. I hope you are getting a substantial discount on the rig (like $20,000-30,000) because this could get very expensive depending on what happened. Good luck.
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03-01-2021, 07:33 PM
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#7
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Senior Member
Join Date: Aug 2020
Location: Ft. Myers, Fl.
Posts: 911
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Or a cracked block. I would have him fix it and pay someone to inspect the repair.
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03-01-2021, 08:17 PM
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#8
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Senior Member
Join Date: Jul 2020
Location: League City, Texas
Posts: 223
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maybe this will help the discussions
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03-01-2021, 08:37 PM
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#9
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Senior Member
Join Date: Jul 2020
Location: League City, Texas
Posts: 223
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OK. Maybe this is not as bad as I thought. Feel free to snicker. Here is another view of the oil. Well in this picture it is rather easy to see it is above the exhaust manifold.....so this is not a head gasket problem. 
That is good news.
It still needs to be addressed, but it should not be as bad of a problem as first thought.
Ideas an comments certainly still appreciated.
thanks
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03-01-2021, 09:11 PM
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#10
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Senior Member
Join Date: Jul 2017
Posts: 207
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#6 injector's fuel line to the cross tube needs resealed. Minor repair.
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03-02-2021, 08:26 AM
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#11
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Senior Member
Join Date: May 2016
Location: St. Maries, Idaho
Posts: 959
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OK, I thought we were talking coolant, my mistake. This looks exactly like the oil leak I had on my my ISL. It was coming from a badly sealed engine brake spacer. This spacer sits between the head and valve cover. It’s needed for clearance for engines with engine brakes. Mine was sealed with RTV. I believe some of the newer ones use a gasket. It involves removing the valve cover, two engine brakes and spacer. I’d figure about two days if you’re doing yourself. I adjusted my valves while I was in there.
Bill
__________________
2003 Country Coach Intrigue 36'
Cummins ISL 400
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03-02-2021, 09:05 AM
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#12
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Senior Member
Join Date: Jan 2018
Location: Capistrano Beach, California
Posts: 4,465
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Quote:
Originally Posted by Caliber
#6 injector's fuel line to the cross tube needs resealed. Minor repair.
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Agree^^.
Looks the wettest just under the #6 injector. Very little moisture by the engine brake connector. #6 would be my prime suspect.
__________________
Larry, Eileen, and Finley
2004 Alpine 36FDDS
Third motor home, first Alpine, no need for another.
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03-02-2021, 09:12 AM
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#13
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Senior Member
Join Date: Oct 2014
Posts: 7,882
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Quote:
Originally Posted by Astasoftride
Hey,
We are looking at a coach that appears to need the head gasket replaced. It is wet by the head gasket, and the valve cover interface looks dry.
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Wet with what:
Engine oil
Coolant
Diesel fuel
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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03-02-2021, 09:15 AM
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#14
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Senior Member
Join Date: Dec 2019
Location: Alberta
Posts: 1,976
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Quote:
Originally Posted by Astasoftride
OK. Maybe this is not as bad as I thought. Feel free to snicker. Here is another view of the oil. Well in this picture it is rather easy to see it is above the exhaust manifold.....so this is not a head gasket problem.
That is good news.
It still needs to be addressed, but it should not be as bad of a problem as first thought.
Ideas an comments certainly still appreciated.
thanks |
No snickering at all. Good to see someone admit to a mistake. Lord knows I make more than my share. Glad to see it is a minor repair. 
__________________
Jeff and Annette Smith. Sparky, lemon Beagle.
2022 Chevy Equinox RS.
2007 Dutch Star
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