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Thread: Cdti swirl flaps

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    Default Cdti swirl flaps

    Hi all, just after some info about these stupid things. Gave the engine a quick clean and got some crud out of where the flaps are. The bar is in place and seems fine but couldn't see the bit that connects underneath due to so much stuff in the way . Now, got the wife to rev the car up after I had finished and the flaps don't move? Should they move with revs?

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    Rob, they should move as follows. With the engine switched off, they all should be in the 10 o clock position. Once you start the car and leav it at idle, they all should be approx at the 2 o clock position. If they follow this, it is probably safe to assume they are operating.

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    Cheers for that mate, they do move a little when the car is turned on. So I guess that's a good thing :

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    Did have the same problem has I had fault code did some tests swirl bar was still on plus I brought a new inlet manifold. Did a full service on the weekend and put some forte diesel treatment in and the swirl flaps seem to be moving more now than before. So see how it goes if I get anymore problems with it I fit the new manifold

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    I sprayed nylon/rubber lubricant onto the swirl pots to keep them nice and free. This I did for many years. Eventually the connecting rod fell off as all the ones of my vintage eventually do. I then cleaned all the pots and glued 1, 2 & 4 in the open (10 o clock) position (leaving pot 3 to turn as per motor control). Car runs just fine, still returns 50+ MPG.

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    what glue did u use ?

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    Loctite runny superglue.

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    will this be ok for the heat and will it last , cheers

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    Time will tell. What I will say however, I used to loctite elements of two stroke model aeroplane engines and these joints lasted the test of time and they never smoked or caused fires. If you ever feel the temperature of one of these engines after a 10 minute run, they are burning hot and I mean burning.
    Even if the swirl valves do eventually start to loosen, I will just glue them again. It is a 5 minute job really.

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    And, I do not appear to be loosing turbo boost either. I analysed the turbo boost data from a live run yesterday and it peaked at 1.71 bar @ 1900 RPM. From what I can gather, a healthy boost number.

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