Hi I just did the timing belt on my Volvo S40 2001 I thought my oil leak was coming from the VVT plunger so I replace the O-ring that is good but I still see oil leaking possibly from the sealhttp://i484.photobucket.com/albums/rr208 how do I lock the cams from the other side to change it there was a cap that's plastic but I can't pry it off is this correct that this needs to be removed I'll try and attach a picture