Chris NottJMB Retrofits
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  1. #1
    Reverse Gear

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    Diesel Diverter Valves

    Got my A4 2.5 TDI chipped by Upsolute. Runs fine but at about 1900rpm if i lift off gradually in gears 3-5 the engine makes a strange 'metallic' sound. Upsolute engineer cant say for definite but thinks it may be the diverter valve.

    in 6th at the same revs the engine stumbles/hesitates

    Neither of the above happens with the standard chip.

    Does anyone have any opinions, only i was told by someone else that diesels dont have diverter valves?? [img]/ubbthreads/images/graemlins/confused.gif[/img]

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  3. #2
    RichA3Turbo's Avatar
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    Re: Diesel Diverter Valves

    I didnt think that diesels used DV's [img]/ubbthreads/images/graemlins/confused.gif[/img] [img]/ubbthreads/images/graemlins/confused.gif[/img]


    Rich

  4. #3
    Reverse Gear

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    Re: Diesel Diverter Valves

    Its probably the EGR valve operating - you normally hear a small pssh when changing gear

    james


 

 

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