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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > CUMMINS C 8.3 DP- JUST TOLD I NEED A NEW HEAD/HELP?

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parrish200

Twin city Ga

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Posted: 05/15/12 01:41pm Link  |  Quote  |  Print  |  Notify Moderator

I am new to rving and have recieved some great advise on another question I had posted. I sure hope somebody has a good tip on this one. I put my newly purchased 1998 American Tradition into the shop after my first trip out. The tach has not worked since I purchased it, and I bought all new tires and wanted a alignment. I found a company named Roberts truck in savannah, ga that is about 2 hours from where I live. They said that they could do both. I dropped off last week, and have been calling everyday with no response. Today they call me and tell after investigation into tach not working they discovered a exhaust leak, and that lead to finding a small crack in the head causing the exhaust leak? Now I am very limited to my diesel knowledge, and could use any advice or direction from everyone. He quoted me a price over $10000. This diesel only has 61000miles. I am crushed. THANK YOU FOR YOUR HELP, AND DIRECTION.

Yaj

The Milky Way Galaxy (Hartford, WI)

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Posted: 05/15/12 01:59pm Link  |  Quote  |  Print  |  Notify Moderator

I put a head on my 5.9 Cummins about 10,000 miles ago, same problem, crack in the head at the #1 exhaust port. I got my replacement head from Odessa Cylinder Head in Clearwater, FL 727-299-9058. No affiliation, just a happy customer. It's a Chinese made head but my studies showed it to be a better product than Cummins as they beefed up the head in strategic places. It came with valves installed and a gasket set for about $600.00, I did the work myself, and yes it's a big, hard, messy job. $10,000 seams a little steep. PM me If you want more info.


1996 HR Endeavor LE,Cummins 5.9 230hp, Allison 3060,
Front-Yamaha Enduro, Rear-Honda Helix Geeser Cruiser + 2 bikes,
22ft 1977 Cruiser in tow.
1 DW, 2 kids.
1 old dog, 1 fat cat.
I wasn't thinking this far ahead!


blackeyed1

Michigan

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Posted: 05/15/12 02:02pm Link  |  Quote  |  Print  |  Notify Moderator

Pick it up if driveable and get a 2nd opinion.

Kennedycamper

Algoa, Texas

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Posted: 05/15/12 02:06pm Link  |  Quote  |  Print  |  Notify Moderator

X2 on the second opinion.

dennis45

Alberta

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Posted: 05/15/12 02:09pm Link  |  Quote  |  Print  |  Notify Moderator

Nobody ever said operating a Diesel Pusher is cheap. I have an 03 40' with a 350 Cummins. I have been in the engine business for over 30 years and I have never heard of an exhaust leak from a cracked head. I would put my money on a cracked Exhaust manifold. Cracked manifolds on these older 8.3 engines is fairly common. If left too long it can & will result in a severe loss of power. Not to mention stinking up the clothes closet.
You are likely looking at 2K for parts and about 12-14 hrs labor as it is a fairly big job especially if the bolts holding the manifold to the head are rusted and hard to get out.
Is the 10K estimate for the exhaust leak or the whole job?


Dennis & Carol
2003 Dutchstar 40' 3 Slides, 8.3L ISC W/banks Kit 465HP,
Spartan Chassis
2010 Taurus Toad


Sully2

Cincinnati

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Posted: 05/15/12 02:41pm Link  |  Quote  |  Print  |  Notify Moderator

As already stated...get it buttoned up and take it to your nearest Cummins shop and have THEM go over it and give you a price. Not saying it will be cheaper...but I am saying that if you have it done they will do a better job of it.


2000 Country Coach Allure; Cummins ISC 330 HP; 71/2 - 8 MPG regardless
2002 Jeep Liberty


parrish200

Twin city Ga

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Posted: 05/15/12 02:43pm Link  |  Quote  |  Print  |  Notify Moderator

I havent noticed any power issues. I have only done 1 trip, but it was over 7 hours, and ran it pretty hard. On the interstate with temps over 90, and was running around 72 mph. It did heat up to around 210 degrees but lights or buzzers ever came on. Anybody have a recommended mechanic in Georgia for a second opinion?

NEPA GEARJAMMER

NEPA

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Posted: 05/15/12 03:02pm Link  |  Quote  |  Print  |  Notify Moderator

my family has been in the trucking business many years...I have never heard of a exhaust leak comming from a cracked head...a warped sealing surface yes...but cracked , NO!!! get yourself a second opinion.


94 SUBURBAN 2500
89 34' DUTCHMAN CLASSIC(sold)

steveownby

Cosby, TN

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Posted: 05/15/12 03:23pm Link  |  Quote  |  Print  |  Notify Moderator

Why not take it to a Cummins dealer for a diagnosis?


Steve Ownby
2003 Monaco Signature

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pusherpilot

Wherever we are.

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Posted: 05/15/12 03:37pm Link  |  Quote  |  Print  |  Notify Moderator

steveownby wrote:

Why not take it to a Cummins dealer for a diagnosis?


After getting that diagnosis and estimate I'd definately go to a Cummins dealer for a second opinion. I've heard of exhaust manifolds cracking but not heads. Go to Cummins website for the nearest dealer.
There is one listed in Savanna. There are 4 others listed.
Ron

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 > CUMMINS C 8.3 DP- JUST TOLD I NEED A NEW HEAD/HELP?
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