hi im john, my 90 has a bad cold start problem and we have done everythin appart from changing the lift pump, we hav tried but hav recieved the wrong lift pump twice in a row. my landy is 1987 and is a 2.5td, not 2ootdi! the pump in mine at the moment looks like its from a series 3 and has a shorter arm than these new ones, does anyone have any ideas why im having trouble or hav a solution for me ?, thanks