Get the Diagnostic Trouble Codes (DTC). Codes from Vida-DiCE preferred.

RickHaleParker's suggestions would be helpful. My guess is that your transmission needs to be rebuilt. Your initial fix sounds like the filter was getting clogged with worn material and once this happened the transmission did not have enough pressure to move the car. When you replaced the filter and...

i plugged in my ob2 reader. I don't have a volvo code reader but the reader i do have gave me 3 codes. P0751, P0756, and P0700. P0751- shift solenoid "A" Performance or stuck off P0756- shift solenoid "B" Performance or stuck off P0700- Transmission Control System (MIL Request) ...