Question about 2002 Hyundai Santa Fe
My car, Audi A3 (53 plate), has suddenly developed a knocking noise from the engine area. It is much louder when idling and on occasions is accompanied by a spongy, vibrating clutch. In addition, my car's fan stayed on for 2 hours after only a 10 minute drive. Any ideas?
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Posted on Jan 02, 2017
Change the coolant temperature sensor. They're known problem areas on other Audi models, including my A4. The part runs about $20 from www.ecstuning.com and it's the problem probably 75% of the time. If that's not a fix, it could be a thermostat that is stuck open and causing the gauge to never read warm.
Posted on Aug 11, 2008
SOURCE: audi a3 1.8t dump valve fitting
A dump valve replaces the recirc valve. Did you see the reply to your prior post on this topic that I put up the other day? You can do it but it'll cost you your catalytic converter and O2 sensors - that has been proven out many times in the past. If you don't care about that and don't mind spending $1200-1500 every year or 18 months to replace those parts, then go to www.audiworld.com or www.audidiy.com and look in the tech areas - there are step by step procedures there that walk you through recirc valve replacment. They'll show you how to fit an aftermarket recirc valve, but you can follow that procedure to do a BOV as well.
Seriously though, as I said before, some cars are fine with BOVs but Audis are not. You're going to cost yourself a LOT of money just for the sneeze sound and slightly slower turbo spool. Your car and money though so it's your decision.
Posted on Oct 19, 2008
You can not put a liquid where metal is supposed to be. Just a general rule of thumb. The high RPM's had been too much for the engine, and A rod bearing, or rod knocking is about the same thing. Dont try the heavier oil thing, I hate when ppl suggest such stuff. Just replace the bearing, or in most cases and cost efficent, the engine.
Posted on Jan 15, 2009
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