I bought a need rubber mount and put it in the vice tighten it down and found out that the plate hit the retainer , so I grinded the retainer down a bit . I restoring the truck so I haven't started the truck yet so the motor is already in . I tried looked at it yesterday I have Clearence in the back of the retainer but in the front it looks like it touches barley . Can I take out the retainer and the assembly with out pulling the motor ?