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  1. N

    Audi B8 2.0 tdi CAGA coolant temp problems

    where did you get this diagram from?
  2. N

    A6 C7 2.0 TDI Is my engine louder?

    Hi All, recently I noticed that my diesel engine is running a bit louder. No knocking sounds, no ticking sounds, nothing what would indicate bad injector or rod bearings. Just same diesel working sound but louder. Below video showing the noise. I am now not sure if it's louder or just my mind is...
    • nomad90
    • Thread
    • 2.0 170 2.0 177hp audi a6 c6 2.0 tdi 170ps audi a6 c7 cglc diesel
    • Replies: 1
    • Forum: Diesel forum
  3. N

    Audi A4 B8 2.0 tdi CAH coolant temp problems

    03L 121 111 AD - this is main thermostat 1K0 121 113 A - this is an auxiliary thermostat - and I believe this is what is sitting on the whole hose with part number 03L 122 157 M 1J0 122 351 - this is non-return valve, forces coolant to flow only one direction one more part O-ring seal: 06B 121...
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