Volvo 740 230E 1989 - Overdrive not functioning #Archived Message
Posted by Geoff Taylor on April 3, 2009, 9:22 pm
owner reported travelling at 70 mph on motorway with overdrive engaged.suddenly revs rose indicating o/d not functioning. have checked 12v feed and earth good at solenoid in 4th gear and 5 lights up in dash. have also removed solenoid and tested for movement this seems ok. checked oil level in trans ok. suspect internal fault possible oil pressure problem? any guidance would be appreciated or drawings and test procedures. could be texted FAO GEOFF FAX 01200429481. geoff taylor.