I believe there was a technical bulletin about this, recommending that the VW installations of the 1.8T be run the way Audi, who wasn't have the issue, was running them. So that meant using the much larger diesel Rabbit oil filter, like the Bosch 72174, or the Mann or Knecht equivalents, which upped the oil capacity of the engine, and then running only synthetic
What kind of oil filter are you running? My LQ4 was always 40 at idle when warm, about 50 to 60 cruising. I started using AC Delco filters and ended up just under 40 at cruise and 20 hot at idle like you have. Went to a Wix at my next oil change and got the original pressure back. The Delco filter was restricting pressure. No problems since with Wix
What kind of oil filters are you using? Ac delco filters caused similar oil pressure on mine, switched to wix and now it always has like 45psi at hot idle, and around 60 at cold start.
I looked up filters and Bosch was the superior brand. I use my military discount and buy six at a time through Home Depot since the Mrs. Edge and my son's Escape take the same filter as my 2.5L Maverick. IMO the filter is as important as the quality of oil.
I do a lot of miles in my diesel so I buy in bulk from rock auto and the shipping barely goes up
My last order I made sure to get all of the filters from the same warehouse while still getting good brands like Wix and Bosch
I wouldn’t worry about who does the service. Just don’t use shitty Filters. Use OEM or Wix.
I always buy Bosch filters for both our VW's
I used the WIX as it looked like it matched the dealer installed filter better. It also has internal O rings that seem to seal it better on the shaft.
Had a conversation with a WIX rep and was told their best filter is done filtering around the 5000 mile range.
Bosch Filter verbaut, hat sich unten die Dichtung am Filter abgelöst und den Ölkanal im Filtergehäuse zu gemacht ???????? kommt also nicht nur bei „billigfiltern“ vor sondern auch bei den nahmhaften Herstellern…
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