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Thread: Tick Tick - Uh Oh, No Boost!

  1. 9th January 2010, 08:21 PM #1
    wozzlegummich's Avatar
    wozzlegummich
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    Lightbulb Tick Tick - Uh Oh, No Boost!

    Blew a manifold gasket on my 300 TDI Disco just recently reducing boost to 5lbs making for a very slow holiday trip from Melbourne to Mallacoota & back (1100K's).

    Replaced the gasket but still could only manage about 9lbs of boost. I rechecked everything again and again but couldn't find anything wrong. Started to have visions of a melted turbo impeller due to high EGT's.

    Pulled everything apart again and put it all back together. Found nothing wrong but still only 9lbs boost. Out of frustration I pulled off the boost line off that runs between the the turbo and the injection pump. Couldn't see anything wrong but I decided to check it out by filling it with compressed air. Three tiny holes leaking in the area where it sits behind the head. Replaced it and voila! Back to the normal 16lbs boost.

    MURPHYS LAW If something can go wrong at a given time - it will.

    It just amazes me how often you end up with multiple issues when fixing what seems to be a minor problem.

    I guess I'll just put this down to experience.

    Robbie.
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  2. 10th January 2010, 06:26 AM #2
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    Leo109
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    Quote Originally Posted by wozzlegummich View Post
    It just amazes me how often you end up with multiple issues when fixing what seems to be a minor problem.
    - Murphy's Second Law!

    Thanks for sharing your 'experience' - will keep this one in mind for future reference.

    Ian
    Ian &
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    Daphne I - '97 Disco 300Tdi Manual
    Daphne II - '03 Disco Td5 Auto
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  3. 10th January 2010, 07:14 AM #3
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    Blknight.aus
    Blknight.aus is offline RoverLord Vendor
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    any part when dropped will roll to the exact center of the vehicle.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

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  4. 10th January 2010, 01:15 PM #4
    **Discovery300Tdi** Guest
    Great to hear you found the problem mate. where there any other symptons that you had other than the low boost??

    Where there any problems with the acceleration as in sometime you had power and other times you didnt??
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  5. 10th January 2010, 02:36 PM #5
    bee utey's Avatar
    bee utey
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    Quote Originally Posted by wozzlegummich View Post
    Three tiny holes leaking in the area where it sits behind the head. Replaced it and voila! Back to the normal 16lbs boost.
    Robbie.
    Makes sense, the injector pump wasn't seeing boost pressure so cut back on fuel, so reducing oomph. Can't see any chance of damage there (except to your temper)!
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  6. 10th January 2010, 07:43 PM #6
    51jay Guest
    Quote Originally Posted by Blknight.aus View Post
    any part when dropped will roll to the exact center of the vehicle.
    Except for those that disappear completely
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