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  1. Z

    Audi B8 2.0 tdi CAGA coolant temp problems

    Hy! Yes, number is 23! It have two parts! And I must be change main thermostat. (CAHA,CAHB, CAGA,CAGB,CAGC) 1K0121113A 1J0122351 All problems are solved! However for the facelift model the temperature drop does not always resolve there. (CJCA,CJCB,CJCD,CGLC etc. Part number is another. I...
  2. Z

    Audi B8 2.0 tdi CAGA coolant temp problems

    Audi A4 B8 2.0 caha caga... All 2.0 diesel engine have two termostat and cooling valve. 1st Engine main termostat. 2nd termostat pipe termostat factory number:1K0121113A Valve factory number:1J0122351 Yes the two car parts have in the diagram (23 pipe number). Facelift same but the valve...