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Audi A4 Sludge Problems

5 messages,  Last post on Nov 30, 2009 at 3:11 PM

You are in the Audi A4 Forum. Your Hosts are pat & karens

What is this discussion about? Audi A4, Convertible, Sedan, Wagon

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#1 of 5 Audi A4 Sludge Problems by pistol_pete1 Aug 02, 2007 (5:26 am)
Is engine sludge still an issue with new Audi A4s, or has Audi finally resolved this problem?   I'm looking to buy a new Audi and this is obviously a major concern for me. Don't want to plunk down $35k and then have it die on the highway after only 60k miles due to engine sludge. Replies to this message: shipo (Aug 02, 2007 6:15 am)
#2 of 5 Re: Audi A4 Sludge Problems [pistol_pete1] by shipo Aug 02, 2007 (6:15 am)
Replying to: pistol_pete1 (Aug 02, 2007 5:26 am) Actually they resolved the issue back in 2003 when they retroactively changed the oil spec for their engines. Use oils certified to meet the 502.00 VW oil spec (or better still use oils that meet the higher 503.01 oil spec), change your oil on schedule and you shouldn't have any problems.   That said, if you're making lot of short trips and never letting the engine fully warm up, then simply reduce your OCI, and take it out on the highway and put the pedal to the metal once a week or so.   Best Regards, Shipo
#4 of 5 Post moved by pat HOST Nov 22, 2007 (5:43 am)
Here's the link: lpierre, "Audi A4 Maintenance and Repair" #1668, 21 Nov 2007 6:50 pm.
#5 of 5 sludge blues by bobdave1 Nov 30, 2009 (3:11 pm)
My 2003 A4 had a 50,000 mile dealer service 2 months ago. Servce included oil , etc. My oil light recently came on & I went back to dealer who now informs me of a bad sludge problem at 52,000 miles. Shouldn't something have shown up when they changed the oil 2 months ago??

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