It isn't difficult. If car normally starts easily, crack 3 lines at the injectors. Crank engine until fuel comes out. Engine should start and run rough. Tighten lines. Let car run until smooth a normal. Done.

Some times, all it needs is some pumping on the primer.

There are likely destructions on youtube.

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85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. sold to a neighbor and member here but I forget his handle. The 84 is much improved from when I had it. 85TD beginning to repair to DD status. Lots of stuff to do.