1998 Vauxhall Other

Engine Cooling problem
1998 Other Vauxhall Models Four Wheel Drive Manual

i have a vauxhall frontera 2.5 tds runs fine no overheating unless on the motorway doing 2 or 3 junctions at 70mph then it overheats and the oil pressure drops but as soon as I get off the motoray it gose back to normal had headgasket checked and that was fine can anyone help please
January 11, 2009.

Replace thermostat and have water pump checked

Dave H
Sep 12, 2009.