Replacing the seals on a Bosh CP-1 High Pressure fuel pump, car won't start

Car was running with little power, especially up hills, after a month of this, car wouldn't start.
Checked these basics first. Car needs Air, Fuel and compression to run.
*** Air Side ***
- air filter not blocked (Run without filter in, see if it's better)
- Turbo turns freely, and not worn.
- air pipes/manifold not blocked, or leaking
- MAP and MAF sensors working as they should do (volt meter, or OBD)
- Check glow plugs all come on and resistance 0.8 to 1.2 Ohm. (my other video)
- Check glow plugs aren't loose (no/low compression)
- Check crank sensor pick-up
- Check fuel pressure sensor

*** Fuel side ***
- Low pressure pump working (listen for it Pos 1 & 2 of ignition)
- Fuel filter not blocked, or full of water (usually a drain underneath)
- Fuel in High Pressure rail
- Injectors fire (my other video)
- injector fuel return test (leak down test)

Anything else?
A few of you want these details...

https://www.ebay.co.uk/usr/dieselexchange1?_trksid=p2057872.m2749.l2754

Видео Replacing the seals on a Bosh CP-1 High Pressure fuel pump, car won't start канала Alan Mann