1st Gen R53 Cooper S Replacing coolant hoses (Not the typical radiator hoses)

Discussion in '1st Generation: 2002–06 R50, R53 & 2004–08 R52' started by sprp85, Jul 1, 2015.

  1. sprp85

    sprp85 New Member

    Sep 19, 2009
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    Hi all,

    As I am tackling refreshing my 05 MCS slowly, I've came to dilemma.

    As of now, S/C is off, a/c delete pulley is ordered, bunch of gaskets, coolant hoses for upper (x2) and lower radiator section, etc etc... are sitting in a pile, waiting to be installed.

    Well, as I was contemplating installing a oil cooler, I took a quick glance at the rear heat exchanger area and found there are freaking webs of hoses there.

    So I digged around to see if anybody replaced those hoses and I was unable to find much information on those.

    I do understand... "If it ain't broken, don't fix'em" but while I am at it, I was hoping to get most of those things checked off.

    Can anybody provide tips or a reason why I should just hold off on replacing them?

    Thanks! :Thumbsup:
     
  2. MCS02

    MCS02 Moderator
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    Jul 31, 2009
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    Cant help but heres a bump
     
  3. Minidave

    Minidave Well-Known Member
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    Dec 22, 2009
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    They have the same age and miles on them as the radiator hoses, seems like if you have it torn down this far now's the time to do them......
     
  4. 00Mini

    00Mini Well-Known Member

    Feb 24, 2013
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    I'm with Minidave on replacing them. I absolutely positively hate to gamble on hoses being sorta okay and then get burned by having to replace them when they go kaput when I can replace them on my terms when doing other maintenance.
     
  5. Nathan

    Nathan Founder

    Mar 30, 2009
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    You are in there, why not do them at this time. Put better clamps on those that have clamps too.
     
  6. sprp85

    sprp85 New Member

    Sep 19, 2009
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    Got cha.

    Thanks for the inputs.

    But man, 9 bits of hoses in the rear is mind blowing................................. ughhhhh
     
  7. BlimeyCabrio

    BlimeyCabrio Oscar Goldman of MINIs
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    May 4, 2009
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    Yeah, the automatic is a a bit easier because the whole thing comes as an assembly.

    I'm not as convinced that you need to replace those proactively. With the smaller diameter, there's more hose wall per cross section area. I think they'll be less likely to rupture than the radiator hoses.

    But I replaced mine when I refreshed my car at 150k miles anyway.
    Then when I did the manual swap at 160k miles, I used the 75k 9 year old hoses off the donor car.
     

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