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Thread: No1 cam lobe worn

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  1. No1 cam lobe worn 
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    As the title says, No1 cam lobe is worn, the first lobe behind the timing belt. The car is a 58plate 2lt TDI Pwb engine. The rocker cover gasket was being replaced and the machanic noticed 2 flat points along the long sides of the lobe, one in each side, then on the "top" of the lobe you can feel a grove but it doesn't travel all the way round the lobe.
    What could possibly cause this, the machanic is stumped, I can't help because I don't know the history of the car it's been service up to 88k, the car has done 94k. The service history is first service by Audi at 18k, then 29k-71k 3 services by the same non Audi garage, 71k-87k 2 services non Audi garage. Long life service? Timing belt and water pump done at 76k.
    The only other really unusual thing of note is, I've had to replace all 3 engine mounts, the front mount just needed the rubber, but the left&right ones were "smashed" on the bottom of the mounts, again I don't know why or how.
    Any advice anyone can offer would be greatfully received
     
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  2. Re: No1 cam lobe worn 
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    Could you private message me the REG?
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  3. Re: No1 cam lobe worn 
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    BPW engine....yes it is a very common problem on the 8v PDTDI and the next thing you know will be a horrendous hammering noise when the cam eats through the lifter. The cause is the oil used over too long a period.




    If you don't fit new rocker arms, this can happen to the new cam which is not covered under any companies warranty unless you have proof the rockers were new.

    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  4. Re: No1 cam lobe worn 
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    Thank you so much for the replies, especially the description and pictures, I shall certainly be showing the machanic the pictures.
     
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