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Cambelt Timing Question (2.5 Dci Master/Movano)

Discussion in 'Car Repairs / Maintenance' started by HuggyBidston, 10 May 2018.

  1. HuggyBidston

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    Hey folks,
    I've got a 2.5 dci Master and it needs a cambelt. I've found one poor video in Portuguese on YouTube which isn't a great deal of help.
    I've read a few posts from people who have said you must use a locking tool. Is there any reason why I can't mark cam/crank cogs with tippex like ive done on every other cambelt I've changed over the years ? The kits expensive and locks the crank and cams, but as log as they don't move , what do I need a special tool for ???

    Thanks
     
  2. Burnerman

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    I'm not absolutely sure with this engine, but if it's the same as the 2.2 the crank pulley isn't keyed onto the crankshaft which is why the crankshaft must be locked in position and likewise the cam shafts.
    Therefore your time honoured principle of dabs of paint doesn't apply, unfortunately, which we've all relied on dozens of times.
    Honestly I'd leave this job to someone who has done it before.
    John :)
     
  3. Belle427

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    I’d always advise using the tools if available and not too expensive, saves a whole load of grief sometimes.
     
  4. Mursal

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    I saw one lad changing all the old tensioner's first. Then he split the old belt in two with a knife leaving half in place (now a narrow belt) and pulling the outer half off. Popped the new belt on, before cutting the inner narrow strip of old belt off, meaning the timing could not slip.
    But it wasn't his first time doing it and the engine was out ..............

    Room is extremely limited
     
  5. DaveHerns

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    Timing could still slip if the crank pulley is loose and not keyed to the crank.
     
  6. Motman

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    If it’s got a keyless crank pulley, dab a dot of tippex on the flywheel instead, even if you have to take the starter out to do it. A lot cheaper than buying a tool you're only going to use once.
     
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