1.8T oil changes (regular vs. synthetic)

they would have been designed with some sort of secondary cooling system. But they don't.

Yes they do... the VW turbo is also cooled by engine coolant.

Reply to
Woodchuck
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In article snipped-for-privacy@aol.com writes: $Exactly - It passes THRU the turbo, it doesn't stay there. It goes back into the engine where it $gives off the extra heat to the engines cooling system.

Yes, when the engine is running. When you shut off the engine, the oil stops flowing, and whatever oil happens to be in the turbo at that time _does_ stay there.

This is why you allow a turbocharged engine time to cool down a bit before shutting it off (or why some turbocharged engines have devices which continue to pump the oil for a while after ignition is turned off).

Reply to
Hi Ho Silver

That's were we must have faith in the VW engineers, and I think they have done a good job because I don't think I replaced less than 10 turbos since

1998. The problem ones were not the turbo but the oil line that fed the turbo on the early 98-99 cars.

into the engine where it

Reply to
Woodchuck

|dave said the following on 11/3/2003 8:51 AM: |> Did you/they use the proper oil filter. I was told by my VW parts manager that |> the 1.8T engines went with a slightly different oil filter starting in 1999. |> Looks the same but possibly it has finer mesh. I am not sure on this. |> He also claimed that they also use Valvoline 5W-30 in the engines. | |It was either Purolator or Fram, can't remember which - probably the |worse of the two (Fram).

Last i looked, Fram was still listing the PH2870 for thses, which is a common filter that has been around forever and fits half the cars on the road. I'd not let anything get screwed onto my car unless it was OE/Mann or Wix. Purolator maybe, if it's their premium line. Rex in Fort Worth

Reply to
Rex B

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