Today I changed front and rear crank seal ,and ı think most important seal is cam seal because for Volvo 850 there losting so much oil..under the cam position sensor.also I changed water pump..if ı dont change water pump maybe 3-4 days later I can changed all engine

https://files.fm/u/xn7cct5a2

ı found what is problem problem was gear clip.ı turned righ Side