Because the oil cooler is built onto the radiator in this case. This cools the oil and helps cool the engine. On some cars the oil cooler is mounted in a separate location. Not all cars have oil coolers.
5w30 or 5w40
snug
your oil cooler is leaking
Yes, there is an "O" ring inside the fittings.
4.3 US Qts. Use 5W40 or 5W30 weight oil.
The oil drain valve on a 2000 Ford Explorer Sport is located near the rear of the oil pan. The radiator drain petcock is located at the bottom the radiator.
locate the oil filter , most volkswagen have the "ops" on the filter hosing just above the filter.
metal pan is the oil pan on 2003 Volkswagen Passat.
how to remove oil pump for 99 vw passat.
what oil do I use for a 59 reg vw Passat 2.0 tdi
Location of oil pressure switch 2003 VW passat
I used 6 quartz and add after 2000 miles a little more.