Couple of issues with the MG ZT-T

Hi All,



Couple of little issues with my Zt-t CDTI that I'm looking for advice with.



Firstly, do any of you know the part number (or how to get hold of) the coolant bleed screw that is attached to the EGR? Had a problem with the engine overheating, and called out the AA. After using a pump that attaches to the coolant reservoir, water came shooting out of the bleed screw, and we found that it had a hole in the centre of it. The AA guy used a bolt and some putty-like metal to temporarily repair it, but I'd rather get hold of the replacement part if possible.



Secondly, my engine seems to idle pretty roughly on occasion, but strangely, it's only when I've stopped at lights and I've got it in Drive (it's an auto), and the brake pedal pressed. It feels like a pulse going through the car, and there's a sort of vibration noise as well that accompanies it, like a pulley or something not quite working right. However, it doesn't happen all the time. If I take my foot off the brake and begin to ease forward, or even if I put it into neutral, then the vibration goes away, even with the brake pedal pressed. Any ideas?



I should point out that thanks to a long term illness in the family (now resolved, but not in a good way...), I had been driving up and down to my home town in Scotland regularly for the past year, and did three years worth of miles in one year, so I've no doubt that some of this could just be down to the PCV, EGR etc. needing a clean etc. but any help would be greatly appreciated.

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