have you checked the oil level?some vectra reservoirs are quite awkward to check,have a look at the o/s front corner behind the inner mudwing
cdc
August 2012
Turn engine off, try turning steering. Now start the engine and do the same, lot easier running, its working, Check your belts if it is intermittent, most are belt driven units
SD
August 2012
I can answer this question...
how to check if my vauxhall powersteerig is working?