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  1. 3GenLV

    JLU transmission heat exchanger

    The dealership originally thought it was the oil cooler but soon found out it was the heat exchanger the last time. I’m thinking this is just a isolated problem and not a chronic JL issue. The ZF fluid is a honey color fluid which is the giveaway for anyone who may have this problem. I have a...
  2. 3GenLV

    JLU transmission heat exchanger

    Has anyone had a issue with the transmission heat exchanger for the automatic JLU? I’ve had it replaced under the the power train warranty but I’m having similar problems as before with ZF fluid leaking. It’s only been 3 months since it was replaced. I have another appointment to get it...
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