Transmission fluid change fixed problem. Colour was black. Drives smoother now.

Ours is an automatic diesel and 15000 miles. First treatment was reinstall of EMC and next solution is to change transmission fluid.

Car going back into garage on Monday to have further checks. Vauxhall have advised dealer to change transmission fluid.

Dealer and Vauxhall engineer have never found a fault code.

Will update afterwards.

Vauxhall had car for nearly 3 weeks. Had to get an engineer out from Vauxhall. Best they came up with was a reinstall of ems. This seemed to have worked, but it started juddering again on motorway and dropping gears from 6 to 4.

Ever since we purchased our Grandland Diesel Automatic from new, we have experienced intermittent juddering when travelling at speed. We have noticed the vehicle dropping from 5th gear to 3rd and 6th to 4th, when the vehicle is juddering and we have to accelerate through the juddering. It can be qui...