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Thread: TD5 Head Gasket failure almost certain

  1. 25th August 2008, 04:09 PM #1
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    TD5 Head Gasket failure almost certain



    Just happened to be going to Graeme Coopers for a new expansion tank cap and thought it safe to put the car on the dyno and rule out the head gasket being blown as a result of all the water issues I have had.

    I knew deep down that it was gone but had always been in denial.

    The dyno confirmed that the cooling system was being over pressurised from the cyclinders.

    Reached 20psi in 90s from cold start under load.

    I am going to do this myself with some help from a mate who rebuilds engines.

    I shall try to get some photos.
    Wish me luck
    Land Rover - The leader in chasis rust protection with leading edge oil application system.
    2000 Discovery TD5 - ACE. 2" Lift and Bloody big lights
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  2. 25th August 2008, 04:27 PM #2
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    Good luck!!!!
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  3. 25th August 2008, 04:46 PM #3
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    Best of luck mate, i find that the only time i stuff up doing an unfamiliar job is when i try to rush it, if you've got access to the correct tools and info and take your time you'll be fine

    Cheers, Phill
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  4. 25th August 2008, 04:48 PM #4
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    Quote Originally Posted by eckolsim View Post
    I am going to do this myself with some help from a mate who rebuilds engines.

    I shall try to get some photos.
    Wish me luck
    You'll be right. I did mine (300Tdi) a couple of weeks ago for similar symptoms. If you have done one before (on any other engine) you'll have no problems.
    -- Paul --


    | '99 Discovery Td5 5spd man with a td5inside remap | doesn't know what it is in for ...
    | '94 Discovery Tdi 5spd man | going ... GONE
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  5. 25th August 2008, 05:03 PM #5
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    best of luck mate, take your time, be pedantic buy a RAVE CD from inc for your vehicle and FFS ask questions if your in any doubt....

    check then double check the block and head for flatness.

    dont forget to oil the threads and the underside of the new head bolts...

    Auke should be a good POC for any questions especially RE injector seating.

    again, best of luck.
    Dave

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  6. 27th August 2008, 06:49 PM #6
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    A trip to Rovacraft today and I have just about all the bits I need for just on $400 (including a new expansion tank cap). I did manage to get double billed for the head bolts but I am sure that will be easily rectified tomorrow.

    I shall post full parts list later for record (plus photos) as used.

    Land Rover - The leader in chasis rust protection with leading edge oil application system.
    2000 Discovery TD5 - ACE. 2" Lift and Bloody big lights
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  7. 3rd September 2008, 07:15 PM #7
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    I am now in the middle of the rebuild. The tally so far:

    1. #2 pot confirmed as leaking to cooling system - required machining and rebuild
    2. Radiator leak confirmed - requires replacement.
    3. Replacing all major cooling hoses.
    4. Replacing all of those fuc#ing spring clips with stainless hose clamps.
    5. Spare parts cost has hit the $1k mark.
    6. The head rebuild (labour only) is at the $650 mark.
    7. Having a great time doing the job (except for that burning feeling in the wallet)

    photos have been taken.
    will advise as refit starts tomorrow.
    Land Rover - The leader in chasis rust protection with leading edge oil application system.
    2000 Discovery TD5 - ACE. 2" Lift and Bloody big lights
    2016 Discovery D4 SDV6 HSE ARB Bar, lights and winch. Wow
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  8. 3rd September 2008, 07:40 PM #8
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    Good luck for tomorrow!
    You have my admiration (sincerely)!! I can't stand changing the oil filter on the !@#%$ thing (who thought up the placement for that?)
    Let us know how it goes...
    Cheers
    Mike
    '00 D2 Td5 'Alice'
    '03 V6 Freelander 'Phoebe'
    '04 Td4 Freelander 'Harry'
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  9. 3rd September 2008, 10:51 PM #9
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    Well done! A warm feeling will come over you when it is up and running again! (And no, I'm not talking coolant leaking all over your shoes...)
    One thing, have you got steel dowels to fit in place of the plastic rubbish ones???

    JC
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
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  10. 4th September 2008, 05:50 AM #10
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    Dowels

    Quote Originally Posted by justinc View Post
    Well done! A warm feeling will come over you when it is up and running again! (And no, I'm not talking coolant leaking all over your shoes...)
    One thing, have you got steel dowels to fit in place of the plastic rubbish ones???

    JC
    whats the go with the dowels JC
    most say replace the plastic some say with early ones you must use them.

    Being an engineer knowing what dowels normally do I can't see why you cannot go to steel.

    Cheers
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