Steve123 Posted April 23, 2020 Share Posted April 23, 2020 Hi, my RS4 B8 has 80,000 miles on the clock. It has recently had a high pitched whine or screech develop in the engine compartment. My local independent Audi garage who specialises in S and RS Audi’s had it overnight for a diagnosis but was unable to define what it is. They speculated unsurely that it might be the air con pump, but clearly didn’t know for sure. Although they made a suspension change on the car earlier this year and I am pleased with that, my confidence in them has been a bit shaken now. I know I have not provided much info here, so please fire away with any questions you might have. Many thanks, Rosanne. Quote Link to comment Share on other sites More sharing options...
audiA4carpet Posted April 23, 2020 Share Posted April 23, 2020 Any chance of posting a video/audio of the noise, and the circumstances under which it occurs it may help us to diagnose. Quote Link to comment Share on other sites More sharing options...
ricecrispy1966 Posted April 23, 2020 Share Posted April 23, 2020 Hi could they not remove the belt that drives the aircon pump to see if that cures the noise. 1 Quote Link to comment Share on other sites More sharing options...
Steve123 Posted May 15, 2020 Author Share Posted May 15, 2020 On 4/23/2020 at 1:08 PM, audiA4carpet said: Any chance of posting a video/audio of the noise, and the circumstances under which it occurs it may help us to diagnose. Sorry for the delay in replying. We’ve been badly affected by Covid 19. Your idea is good.I will see what I can do. Thanks. Quote Link to comment Share on other sites More sharing options...
Steve123 Posted May 15, 2020 Author Share Posted May 15, 2020 On 4/23/2020 at 1:11 PM, ricecrispy1966 said: Hi could they not remove the belt that drives the aircon pump to see if that cures the noise. They didn’t say if they’d tried that. I will get them to do it. Thanks. Quote Link to comment Share on other sites More sharing options...
Magnet Posted May 15, 2020 Share Posted May 15, 2020 Hello Steve, If indeed they haven’t tried that, then I would be seriously looking for another garage! You don’t tell us:- Engine rev. associated? Only when the car is moving? Being constructively critical, you are not giving us much to go on. Kind regards, Gareth. Quote Link to comment Share on other sites More sharing options...
Steve123 Posted May 15, 2020 Author Share Posted May 15, 2020 1 hour ago, Magnet said: Hello Steve, If indeed they haven’t tried that, then I would be seriously looking for another garage! You don’t tell us:- Engine rev. associated? Only when the car is moving? Being constructively critical, you are not giving us much to go on. Kind regards, Gareth. Hi Gareth, luckily I have two Audi specialists locally, plus a main dealer . You are absolutely right, I haven’t given much information. This is because I didn’t know what to say other than what I have done so already. My hope was to prompt questions from people who know more than I do. You, for example, have done just that, i.e is it only when the car is moving ? As it happens, my wife uses this car, which has not been driven for a couple of months due to the fault and lockdown, so she can’t remember. I've just started it and will let it run for ten minutes to see if the screech develops whilst the car is parked for that length of time. Personally, I seem to recall that once the screech commences during driving, it then continues whilst parked. It’s now ten minutes later. The screech commenced five minutes ago whilst the car was parked. It is a loud and high pitched screech. Thanks for your response. I’d be very grateful if it were to continue. Cheers, Steve. Q Quote Link to comment Share on other sites More sharing options...
Magnet Posted May 15, 2020 Share Posted May 15, 2020 Sorry, too old to know what ‘Q’ is supposed to stand for! Quote Link to comment Share on other sites More sharing options...
Steve Q Posted May 15, 2020 Share Posted May 15, 2020 2 hours ago, Magnet said: Sorry, too old to know what ‘Q’ is supposed to stand for! I too aren't sure what Q means. 1 Quote Link to comment Share on other sites More sharing options...
Steve123 Posted May 17, 2020 Author Share Posted May 17, 2020 On 5/15/2020 at 6:39 PM, Steve Q said: I too aren't sure what Q means. Neither am I. Where did you see it ? Quote Link to comment Share on other sites More sharing options...
Magnet Posted May 17, 2020 Share Posted May 17, 2020 Hello Steve, Slipping belt? - auxiliary one? Thanks for the additional detail - it really does help. Information is king when anyone is trying to diagnose anything at a distance and without access to the vehicle. Kind regards, Gareth. p.s. Not a fan of this, but you can get spray on belt anti squeal. It might be helpful as a test. Quote Link to comment Share on other sites More sharing options...
Steve123 Posted May 17, 2020 Author Share Posted May 17, 2020 By the way, to those of you who are trying to help me with the screech from my B8, it is a 2016 model. The 2006 was an earlier car. Thanks. Quote Link to comment Share on other sites More sharing options...
Steve123 Posted May 17, 2020 Author Share Posted May 17, 2020 1 hour ago, Magnet said: Hello Steve, Slipping belt? - auxiliary one? Thanks for the additional detail - it really does help. Information is king when anyone is trying to diagnose anything at a distance and without access to the vehicle. Kind regards, Gareth. p.s. Not a fan of this, but you can get spray on belt anti squeal. It might be helpful as a test. Hi Gareth, Thanks for your very helpful suggestion. I had no idea that such sprays we’re available, I shall certainly get some. The purpose of my original request for help is really just to brainstorm, so ideally I might find a solution, or alternatively I get enough ideas to talk knowledgeably with the the garage , thus permitting me not to be an idiot ripe for exploiting. Cheers, Steve 1 Quote Link to comment Share on other sites More sharing options...
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