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    Audi A6 2.5Tdi excessive white/grey/slight blue smoke, loosing coolant

    I've had a look under the oil filler cap and there's no creamy substance. I'm hoping it's not the thermostat as ive had it replaced within the past year and the car seems to be heating up well. I'll monitor the oil level to see if it's going down. The cars on 95,000 mls at the moment, i removed...
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    Audi A6 2.5Tdi excessive white/grey/slight blue smoke, loosing coolant

    hi all, i've got a a6 2.5tdi on a 98S plate and i'm regularly topping up the coolant and i'm getting loads of greyish smoke with a tint of blue. the oil levels are ok. It's not all the time, it's mainly when i stop at traffic lights. It's quite bad, i actually leave a cloud of smoke when i pull...