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tdgulfstream

santa rosa,ca

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Posted: 03/10/19 08:09pm Link  |  Quote  |  Print  |  Notify Moderator

im thinking of buying an 2001 holiday rambler endeavor with the cummins motor, does anybody know if the motor used is the "53" block which seems to be a bad issue (cracked blocks) in dodge trucks, wondering if its a concern in motorhomes also. Thanks, Tom

wolfe10

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Posted: 03/10/19 09:06pm Link  |  Quote  |  Print  |  Notify Moderator

Yes, 99-01 I would check the block. Yes, this applies to Cummins B engine ONLY.


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tinkerer

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Posted: 03/10/19 10:11pm Link  |  Quote  |  Print  |  Notify Moderator

The years for these blocks were from 1998 to 2002, they were cast in Brazil. I had the misfortune of getting stuck with one of these failures in a MH.

wolfe10

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Posted: 03/11/19 06:34am Link  |  Quote  |  Print  |  Notify Moderator

Here is an explanation of the issue and years of production-- note, this is the year the ENGINE was built, so coach year could be somewhat later:

http://www.cumminshub.com/cummins-53-block.html

tdgulfstream

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Posted: 03/11/19 09:32am Link  |  Quote  |  Print  |  Notify Moderator

thanks for the response, I am going out this morning to check it out, this motorhome has 89,000 miles on it, i'll see what it looks like ...

CVD

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Posted: 03/14/19 08:22pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 1999 code 53 ISB. Had it 14 yrs, no problems (have to admit, was quite concerned when I learned about the potential issue after I'd bought the coach).
Re. what you are looking at, I believe the cracked block issue would have occurred by now. If it passes a pressure test now, I wouldn't worry.


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d_denver

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Posted: 03/15/19 09:12am Link  |  Quote  |  Print  |  Notify Moderator

I believe the 53 block was only on the Cummins ISB. I doubt the Endeavor has the ISB small block


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wolfe10

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Posted: 03/15/19 09:20am Link  |  Quote  |  Print  |  Notify Moderator

d_denver wrote:

I believe the 53 block was only on the Cummins ISB.


That is correct.

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