There is also the infamous U-gasket at the front of the motor, but as you mentioned, yours is at the rear.
J-Waxaa jira qaabab loo maareyn doono dabcan baarlamaankaan waxaa ka horreeyey 9 baarlamaan ooh ore balse hadda sida aan kuu sheegay waxaa jira aqalka sare oo isbadalkiisa wata.