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EGR valve on a 2006 170 bhp s-line

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by TURBOTRONICS, Jun 15, 2011.

  1. TURBOTRONICS
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    TURBOTRONICS Member

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    Hi all my mate has just brought his car round for me to have a look at as it was making a funny noise
    When i had a listen it was making a crunching grinding noise which sounded a bit like a belt going or perhaps a bearing on its way out
    But when i pulled the cowling off the top of the engine the noise was coming from the EGR valve
    When i unplug it the noise stopped but the car does not seem to be affected by this
    The question is can he run it with it disconnected till we get a new one and what should we expect to pay for one
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  2. Rheady
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    Rheady Member

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    I've just replaced mine on a 140tdi. Genuine part and was £240. Mine was making a noise but more of a ticking noise as it was intermittent.
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  3. lespaul
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    lespaul Member

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    Does the sound change as you rev the engine?
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  4. Rheady
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    Rheady Member

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    Only heard it when it was tick over. Icould drive it with no problems then at a junction if I then went to pull off it was as if I had no turbo. Then it would be fine again. The old one was very dirty considering I have only covered 50k miles.
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