on November 8, 2012, 10:11 pm, in reply to "Vauxhall Zafira Hard starting cold or warm"
Did you remove the bottom toothed pulley and checked the keyway?
I did a saab a while back which had that fault, the bolt had a left handed thread. It had a L on the head. The vaux tech said it wasn't so double check. hth.
Regards Ian.