Peugeot 206 broken timing belt
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Thread: Peugeot 206 broken timing belt

  1. #1
    1000+ Posts Beano's Avatar
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    Default Peugeot 206 broken timing belt

    I know someone with a 2005 Peugeot 206 XT and the timing belt just broke.

    Can anyone tell me if the valves are going to be bent ? (Is it what they call an "interference" engine ? )

    Or can he just replace the belt without removing the head and doing the valves ?

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  2. #2
    1000+ Posts renault8&10's Avatar
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    Depends on how it happened. I know someone who bought a car with a broken belt who just had to have the valve guides replaced and put new valves and a headgasket on and away they went, but they were lucky as the PO had broken the belt pulling away from a set of lights at relatively low rpm.

    I'd doubt he'd get away without removing the head for a check though regardless. Even if the head is not damaged the valve stems are likely to have bent?
    KB


  3. #3
    1000+ Posts Beano's Avatar
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    Well, some cars are not affected at all when the timing belt breaks.....I believe they are called "non-interference" engines...presumably because the valves do not interfere with the pistons going up and down.

    I'm wondering if a 206 is one of them.

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    I've still got a '89 model Subaru that has a non-interference engine - if timing belt breaks it just coasts to a halt, with no internal engine damage.

    There's no such thing among modern frogs I'm afraid - you are clutching at straws.
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    1000+ Posts robmac's Avatar
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    The Toyota 1MZFE V6 is another non interference engine.

    As many early Camry owners have been pleased discover.

    Madza , and Ford were also keen on the same concept in their early vans.
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    1000+ Posts Beano's Avatar
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    Oh well....the idea is great, but I guess it somehow decreases performance in Froggy cars.

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    1000+ Posts bowie's Avatar
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    Along with the Toyota 1J and 2J, being non interference that is

    Valves aren't that $$$ however. Having said that... whats a wrecker motor worth? $300?

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    Quote Originally Posted by Beano View Post
    Oh well....the idea is great, but I guess it somehow decreases performance in Froggy cars.
    Hi Beano It seems no one has the answer to whether it is 'interference' or not. There are lists but Peugeot engines do not appear on them. Even here "Interference Engines Complete List" ??? Seems likely the engine is interference as it is DOHC I think.

    The reason for building them as interference is that the high compression ratios and DOHC configuration gives much better power and economy and reduces the pollution so it is most commonly used in all brands of cars now. That is the price we pay for progress. The manufacturers could use chains but they must cost, say, $2 more than belts and we will not pay that much for peace of mind
    Jaahn
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  9. #9
    1000+ Posts driven's Avatar
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    Quote Originally Posted by Beano View Post
    Oh well....the idea is great, but I guess it somehow decreases performance in Froggy cars.
    Not if you get rid of belt and put in a chain as the new Clios run

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    Its an interference engine. There hasn't been anything much for years that isn't, including Subaru. Chains aren't always perfect either, and they don't deal with torque vibration as well.

    1.6L Peugeot engines in the EP6 series run chains.

  11. #11
    1000+ Posts Beano's Avatar
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    Not sure how fast he was going at the time of breakage, but it's probably got damaged pistons anyway, meaning a secondhand engine needed.

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    There should be a couple of cheap engines at the wreckers if you want to go to tge effort of swapping it over.
    King Street Willawong but you need to remove it yourself.

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  13. #13
    Tadpole
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    Old mechanics trick.

    1. Did he hear horrible mechanical noises when it failed? If not then maybe no problems.
    2. Don't assume damage has occurred. Turn the motor over by hand and check for even compression.
    3. And this is the important one because it is the cheapest option. Fit a new belt in the correct manner and alignment and then start the thing. You have nothing to lose...

    Always start with the easy and cheapest option first in life...

    Good luck.

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