If it's a 1.8T you should be between 35 psi and 60 psi @ 2000 rpm at normal operating temp
metal pan is the oil pan on 2003 Volkswagen Passat.
behind the oil filter
The recommended oil for a 2003 Volkswagen Passat with a 2.8L engine is 5w30. This is well suited for most driving conditions.
I found using the Mobil-One 0w30 synthetic oil to have the best results. It's not cheap but it works for me.
6 liters.
Location of oil pressure switch 2003 VW passat
Add oil!
I assume you want to drain the oil out. The sump plug is under the engine - about in the middle. You would need to remove the underbody covers (10 mins) and then you will see it.
replace your abs module its a common problem with v6 passat 99-2003 model.
It's located near the oil filter and on oil cooler/filter plate.
you need to drop the transmisison oil pan,
The oil pump is located in the oil sump/pan and driven by a chain attached to the crankshaft.