A – There are a variety of places where coolant can leak from the cooling system. One common location is the auxiliary coolant pump, that I discuss on this page. The focus of this page is one particular problem; a slow loss of coolant into the engine oil with no indication of loss, other than the slow drop in coolant level. Oct 22, 2022 · The heater may stop working in Audi A4 due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. 1. Low coolant or air in the cooling system. Low coolant level or air in the cooling system can Jan 31, 2019 · So friends A8 4,0TDI 2005 has had a comfort control module problem for nearly 8 years. First problem was that trunk light was on all the time. VAS said the light was off when trunk closed and on when open, even if it was on all the time. So trunk switch works properly. Second problem is that now recently left brake lights have started to go on Improving the handling for car owners first priority in your A4 tuning project. If you set the toe out to 0.8 to 1.3 degrees on the front, and add some negative camber then cornering will radically improve. On the track, quick turns are very important, and suspension plays an important role in this. Dec 23, 2023 · 3. Common Engine Problems 3.1. B5 Generation Engine Problems The B5 generation of the Audi RS4 was produced from 1999 to 2001 and is known for its powerful twin-turbocharged 2.7-liter V6 engine. While this engine was impressive in terms of performance, it did have some common issues that owners should be aware of. Dec 20, 2010 · A 98 Audi A4 2.8 5spd. The issue: So on Saturday night on the drive home I started to get a funny smell like burned plastic or something like that. Sunday we used the family far so I didn't drive my Audi. Jan 12, 2010 · 19K. Sep 16, 2018. by mikex921. 1 1 of 64 64. vwvortex.com is an independent Volkswagen enthusiast website owned and operated by VerticalScope Inc. Content on vwvortex.com is generated by its users. vwvortex.com is not in any way affiliated with Volkswagen AG. Discussion area for the 30v 2.8 liter V6 engine found in the VW Passat and Audi A4 & A6. Oct 5, 2004 · I have a boost gauge on my 1996 audi a4 b5 1.8t quattro. Usually, at idle, my gauge shows a value of -20 in / hg which is considered normal I think. Since today, at idle the value has risen to about -12 in / hg, I deduce that I have a problem with vacuum hoses and an air leak somewhere. On the AEB, I learned that the "vacuum circuit" is quite The facelift B8.5s are very bulletproof cars, that being said there are some issues you should be aware of. Motor mounts above 50K miles, need to be checked tons of people have had theirs replaced under warranty right before 50K miles. "creaking noise" on startup, this could be loose chain guides due to a faulty initial design. Aug 26, 2022 · 3. Leaks. The "gearbox malfunction" in the Audi A4 may be due to leaks in the transmission caused by a faulty seal or gasket. If you suspect that your Audi A4 has a leaking transmission, the first step is to check the fluid level at certain intervals. If the fluid level is draining faster than usual since you last refilled it, then it's likely pzShd.