how do I adjust the oil pump chain on 1999 Volkswagen Jetta TDI

I need to remove the oil pump so I can look at bearings.
the engine model is ALH

Asked by for the 1999 Volkswagen Jetta TDI
1 answer 1 comment
If the Oil Pump Chain is too loose, I would replace it. How many miles are on this vehicle?
there is about 170,000 miles on the car but I need to know how to remove the oil pump and adjust the oil pump chain