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  1. MAF & Boost issues

    VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    VW Golf 4 TDI 4motion 85kW 115HP 2001 I had a failing MAF (Bosch 0 280 217 121), tried cleaning it and wouldn't help. Replaced it with an aftermarket MAF, which showed up in the car parts catalogue as an alternative (and 3x cheaper than the OEM stuff). Things seemed to improve a lot, car had...
  2. 0 boost on 2012 passat tdi

    2012-2016 VW Passat TDI forum
    So two days ago I was on a small trip about an hour from my house and half way there I felt significant power loss and had a flashing glow plug light. Soon after the check engine light came on and I heard a whistling/whining noise come from the general area of the turbo. The car barely...
  3. Turbo problem

    Mk5 VW Jetta, Sportwagen, and Audi A3 TDI forum
    I bought a 06 Jetta tdi with the brm motor. I recently replaced the turbo and put the old vnt actuator on the new turbo and now when trying to drive full vacuum is applied to the actuator keeping the vanes closed all the time. I vacuum tested the actuator and it starts to move at 1in of vacuum...
  4. Hello from Alberta

    New TDI forum member introductions
    Hey everyone, I've been lurking for a bit while slowly fixing a torque converter/flex plate failure on my 05 passat bhw so I figured I should come say hi and thanks for all of the great information and write ups! That and a bunch of other preventative maintenance since I had the engine and...
  5. VW T5 2.5TDI BPC underboost problem

    General Diesel Discussion
    Hello everyone. Ive just swapped out the engine in my newly bought 2008 T5 due to turbo failure on the old engine. Old engine was a BNZ, new is BPC. Story is; some guy went to one of the best mechanic in town, and he told him the car had a turbo failure. I bought the car real cheap, and got a...
  6. Advice request G4 TDI

    VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    Hi all, just have a question if someone with diesel knowledge can maybe assist, golf 4 TDI ahf engine, engine recently replaced, running good just downpiped it yesterday sounds good! Now today I was driving a bit hard, engine was warm I heard a pop almost like a backfire and saw a black cloud of...
  7. Which turbo ???

    VW Mk6 Golf, Jetta, Beetle, Sportwagen TDI forum
    Sup guys I have a turbo and i dont know which car this turbo came the turbo is : KKK BV43B-0130 03L253016KV300 KK5014713300142 The compressor wheels is broke if someone can tell me where i can buy a new one And i want to know if i can put...
  8. KP39 turbo Disassembly

    VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    I need to take the charge air side off my borg-warner turbo to drill out one of the bolts the used to hold on the actuator.... can anyone point me in the direction of a how-to or schematic of the turbo so that I can see how to take it apart. it looks like it might just be a snap ring that...
  9. 2000 Beetle Turbo rebuild problem

    VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    I'm rebuilding my vnt 15 turbo and all is well until I tighten the control ring plate. When loose the control ring moves freely and the vanes move as they are supposed to. When I tighten the three star screws on the control ring plate it tightens down on the vanes then won't move. I have the...
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