Hello dear Volvo community ,I recently added a volvo and need direct help from you. where do I catch now best at 1.)Abs ,Asr (believe I )motor control light ,tacho and tempomat often fall out . 2.)Oil runs from an opening between the zünkerzen (middle)raus . to 1 I suspect the alternator ,since I sometimes hear the strap disc (free running)qietschen . measured at the battery comes there between 12 and 13.2 volts (control or lima to ??) to 2 think I times that somewhere what is dense (at the spark plugs nothing gets up ) All here written assumptions I have read out from ten forums ! has here experienced who similar or can confirm my guesses ? would like to fix all probs next week still tooth belts , oil , filter etc . I am grateful for any help .grus Milan.