Opel Midi van workshop manual. Also marketed under the Bedford, GME, GMC, Isuzu, Vauxhall etc. brands etc.
It is in English but with a basic level of English it is well understood since it includes a large number of very descriptive graphics and the steps are numbered.
Treat the version with a right -hander but only affects the disposal of the controls, the rest is the same for the two variants.
There are 12 PDF documents, one for each topic.