2 that go through the wish bone u can take off the 2 that u need to have a extention on a socket to go throughthe middle of the wish not the bushed part loosen them 1 each side that will lower it to get the arb out
i had this prob with mine it was the immobiliser i just disconected the plug of the controll box above the pedals and put connection greas on the conectors and pluged back in ..all is well and has for 2 years ..worth a try