Hi - I have installed a row of three Ford Transit Custom seats. All were woking fine but now one of them is stuck down. I can fold the seatback to the down position. I can pull the two tabs at the base at the rear of the seat - I hear something metal moving and the two red pins pop out...

Hello all...newbie here. I'm sorry if this has been asked and answered a thousand times but.... We are just about ready to buy our first grown up van having just sold our beloved T2. In your opinion, which is better T4 or T5. We are looking at a 2.5 TDI 2002 - 2006 depending on budget. And why...