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Thread: sdi vs tdi

  1. #1
    Join Date
    Sep 2010
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    swansea
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    sdi vs tdi

    hi guys new to the forum, im looking into buying a mk3 caddy van, before i go off and buy 1 im looking for a little advice on which is going to be more reliable and better on fuel (sdior tdi)? any help is appreciated!

  2. #2
    Join Date
    Apr 2010
    Location
    Boston, Lincs
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    4,443
    Reliability wise the're on a level playing field and economy wise there's not much in it. But if you get the sdi you will lust after a tdi like you wouldn't believe.

  3. #3
    Join Date
    Nov 2009
    Location
    bath
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    2,112
    sdi has a top speed of about 88mph -tdi's gives most cars a run for there money
    tdi all the way!!!!

  4. #4
    Join Date
    May 2003
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    Reliability wise the SDI is by its nature better as there's no turbo to go wrong. Also the already pathetic flywheels give up quicker with the extra torque of the TDI. Economywise theres nothing in it.
    TDi is the one to go for though although the Mk3 SDis do go absolutely fine.

  5. #5
    Join Date
    Sep 2010
    Location
    swansea
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    tdi it is then! is there any common faults i should be looking out for?

  6. #6
    Join Date
    May 2003
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    Near Gretna
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    The biggest issue is flywheels giving up. You should be able to hear them rattleing or vibrating. Other than that it's just the injector loom in the rocker cover but they're only £40 from VW. Flywheels seem to give up between 80-100k miles and you can replace them with a solid one rather than the dual mass version.

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