Oil and Oil Filters
VW Passat
Honda Accord EX

What is the best oil type for a 1999 VW Passat?

Answer

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Wiki User
08/13/2014

Since the VW Passat 1.8L engine has an Inherent Oil Sludge Problem, I would run an engine flush thru it.

Auto-RX I have heard nothing but good things about this product.

Once you get to the Rinse phase of the Auto-RX I would suggest using Castrol GTX 5W�30 and a Quality Wix Filter #51393.

Then once you have completed the Second Application and Step 5.

I would switch to a Full Synthetic designed to meet the VW Oil Standard 502.00 like AMSOIL's European Car Formula Synthetic 5W-40 Motor Oil (AFL) and a Quality Wix Filter #51393.

Models with 1.8L Engine codes AEB, ATW, AUG, AWM only use engine oil that conform to volkswagen oil standard VW 502.00 (with viscosities of SAE 5W-40, 5W-30 or 0W-40).

I would also on every other oil change use the Engine Flush Available from Amsoil. I would also keep a very detailed Maintenance log and all receipts.

I called VW the MAX oil change interval for the 1.8L engine is 5000 miles.