abdu14

i have a audi 97 a4 2.8 12v qt bout to hit 90,000 miles i am wondering should i get my oil system flushed there is a system at pep boys where they clean it out with some detergent. should i get this done plus what other things should in get done. i already did my timing belt and water pump along with all the hoses and all the other belts. anything else?

Nate (ETKA+Scumbag)

the car's life?

Audi Junkie

Auto-Rx is a non-solvent cleaner used in industrial applications where solvents cannot be used. Firstly, keep you car AWAY from Pap Boys. DIY oil changes are much better. WalMArt oil servie is pretty good, gotta BYO filter, but that have lots of oil choices. In summer, 15w-40 diesel-rated oil is best and it's cheap. Another good oil at most Walmarts is Mobil 1 5w-40 SUV oil and another is their SUPERTECH 10w-30 Synth with High Mileage additives. Hi-Mi oils are another way to go, but Auto-Rx is the King of Seal conditioning, but I'd use the Hi-Mi oil in it's absence. 15w-40 summer and 5w-40 winter. Do a few frequent changes of 15w-40 then a Hi-Mi oil like MaxLife or the SUPERTECH. Unless you want to get into the Auto-Rx...an excellent product. Again, solvent flushes are a last resort. Solvents disslove sludge, spreading it throughout the engine and also "dissloving" seals.

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