5w30 full synthetic 4.5 qts
Use exactly the weight recommended by VW. The brand is your choice.
5w30
Yes.
When working on a car, it is important to have an engine diagram to use as a guide. An engine diagram for a 1996 Volkswagen Jetta 2.0 can be found in the maintenance manual.
A synthetic 5W30 will do you well.
No you can not use gas engine oil in diesel engine oil because processing of diesel engine is different from gas engine oil. If you use this then it damage your vehicles.
Castrol Synthetic oil, that's the oil i use for mine.
The car take Castrol Syntec 5w40
5W 30 Synthetic Blend
the engine oil to use is 5-w20
The correct oil for the 1992 Jetta is a 5W-40 oil. The Oil Filter is a Wix# 51342. Good Luck and Remember. Change Your Mind, Not Your Oil. Use the First In Synthetic Motor Oil's. See My Bio For more information. (according to the owners manual, 5W-40 is appropriate for cooler weather but during the summer in 80+ degrees you want 10W-40 ;])
Depending on what engine, Deisel or Gas, There are different API standards to go by (CF-4 for deisels & SL for gasoline). The Deisel Volkswagon Jetta calls for a 5W-40 CF-4 synthetic oil, and the gasoline engines call for a 5W-30 SL synthetic oil. Volkswagon recommends the use of Castrol 5W-40 SL Full Syntheticin the gasoline as well.