Hi all so I'm back in an rs6 c5 .....
I have a slight issue and am trying to locate ...
On normal driving and heavy acceleration it sounds like the cars got a supercharger very high pitch whining noise and goes up with rpm then tails off and then comes back more noticeable after the car has warmed up ....from what iv noticed it gets louder sometimes on a right hand bend
Anyone experienced this? Any help appreciated
Thanks
High pitched noise
Re: High pitched noise
Could it be a pully or tensioner on it a way out? . Does it make any difference with the air con on/off ?
Does it do it when stationary ? Or only when moving? .
Does it make any difference with more electrical items turned on ? .
Does it do it when stationary ? Or only when moving? .
Does it make any difference with more electrical items turned on ? .
Cheers Al
04 c5 rs6 , Ebony Black, Bare shell repaint , Milltek's, PSS9's,Hotchkis Arb's,Gutted precats, hybrid turbos, Bosch 044 ,And an annoying EML light
04 c5 rs6 , Ebony Black, Bare shell repaint , Milltek's, PSS9's,Hotchkis Arb's,Gutted precats, hybrid turbos, Bosch 044 ,And an annoying EML light
Re: High pitched noise
Aircon don't work needs gas will be doing that this week
I did suspect a pulley or tensioner but if I rev the car in idle it sounds fine
On load sounds like a supercharger
I did suspect a pulley or tensioner but if I rev the car in idle it sounds fine
On load sounds like a supercharger
Re: High pitched noise
Could be a turbo issue or a boost leak from somewhere.
Is it using oil or blowing smoke on boost ?
Is it using oil or blowing smoke on boost ?
Cheers Al
04 c5 rs6 , Ebony Black, Bare shell repaint , Milltek's, PSS9's,Hotchkis Arb's,Gutted precats, hybrid turbos, Bosch 044 ,And an annoying EML light
04 c5 rs6 , Ebony Black, Bare shell repaint , Milltek's, PSS9's,Hotchkis Arb's,Gutted precats, hybrid turbos, Bosch 044 ,And an annoying EML light
Re: High pitched noise
Possibly gearbox ATF cavitation. Check the level. Make sure the right strainer is installed.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: High pitched noise
Gearbox is shifting ok don't seem like any issues there ?
How do I check the oil level ? By removing the plug while car is running ?
No smoke blowing boost fine can hear the noise after the car has warmed up ....
Power steering maybe ?
How do I check the oil level ? By removing the plug while car is running ?
No smoke blowing boost fine can hear the noise after the car has warmed up ....
Power steering maybe ?
Re: High pitched noise
Maybe power steering. Checked the level?
Checking the ATF is a bit involved. Depending on how DIY you are you might be better off getting a specialist to do it.
Eliminate the other possible causes first. Could be belt noise.
Checking the ATF is a bit involved. Depending on how DIY you are you might be better off getting a specialist to do it.
Eliminate the other possible causes first. Could be belt noise.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: High pitched noise
Does the pitch increase with engine speed or road speed?
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
Re: High pitched noise
Ok I'll give the rest of it a go.... can't hear anything on idle
Yes it increases with rpm soecially when I change gear down becomes more apparent ...
Yes it increases with rpm soecially when I change gear down becomes more apparent ...
Re: High pitched noise
Silly question, you're talking about external of the passenger compartment?
You're not talking about amp whine from the radio are you?
If external, I'd go with power steering as Shopp suggested. Easy to check the level in the engine bay.
How long you had the car? Has it got the correct fluid in?
You're not talking about amp whine from the radio are you?
If external, I'd go with power steering as Shopp suggested. Easy to check the level in the engine bay.
How long you had the car? Has it got the correct fluid in?
previous- Pug 205 gti, 306 gti, 309 gti Goodwood.
Audi S3, S4 V8 avant.
Porsche Macan Turbo.
Gone but NEVER forgotten - C5 RS6 Misano red avant.
Now - Empty garage
If you don't know where you're going, any road will take you there!
Audi S3, S4 V8 avant.
Porsche Macan Turbo.
Gone but NEVER forgotten - C5 RS6 Misano red avant.
Now - Empty garage
If you don't know where you're going, any road will take you there!
Re: High pitched noise
Hi chunky79 iv had the car about 2 weeks power steering fluid seems to the correct level with the green hydraulic fluid innit looks clean .... I have a slight whine while turning steering nothing major
Sorry yes talking about external noise
The only way I can describe it is sounds like a mini supercharger
Happens more at high revs and sometimes on a right hand sweeping bend
Also I have that horrible rattle on cold start which I believe is the cam chain on the back? Could that be the issue maybe wrong engine oil ?
What oil is best for our cars ?
I'm thinking the following
Chain tensioner
Power steering
Front diff
Aux belt tensioner
Cambelt tensioner
Sorry yes talking about external noise
The only way I can describe it is sounds like a mini supercharger
Happens more at high revs and sometimes on a right hand sweeping bend
Also I have that horrible rattle on cold start which I believe is the cam chain on the back? Could that be the issue maybe wrong engine oil ?
What oil is best for our cars ?
I'm thinking the following
Chain tensioner
Power steering
Front diff
Aux belt tensioner
Cambelt tensioner
Re: High pitched noise
Does your neighbour have a cat? 
-
simonpoulton
- 3rd Gear
- Posts: 265
- Joined: Sat Mar 05, 2016 6:40 pm
- Location: Essex
Re: High pitched noise
Does it happen when in neutral?
Current: RS6 C5 Avant, E60 5 Series, '78 Mini (Queued for restoration)
Past: R56 Mini Cooper S
Past: R56 Mini Cooper S
Re: High pitched noise
If you can get underneath and whip the aux belt off (there's an auto tensioner) this may help you pin point the sound. Could be the alternator.
previous- Pug 205 gti, 306 gti, 309 gti Goodwood.
Audi S3, S4 V8 avant.
Porsche Macan Turbo.
Gone but NEVER forgotten - C5 RS6 Misano red avant.
Now - Empty garage
If you don't know where you're going, any road will take you there!
Audi S3, S4 V8 avant.
Porsche Macan Turbo.
Gone but NEVER forgotten - C5 RS6 Misano red avant.
Now - Empty garage
If you don't know where you're going, any road will take you there!
Re: High pitched noise
Sorry, just read through again.
From your comment that it seems to do it under load, this is a good place to start. Check your intercooler/ pipes and vacuum hoses.
previous- Pug 205 gti, 306 gti, 309 gti Goodwood.
Audi S3, S4 V8 avant.
Porsche Macan Turbo.
Gone but NEVER forgotten - C5 RS6 Misano red avant.
Now - Empty garage
If you don't know where you're going, any road will take you there!
Audi S3, S4 V8 avant.
Porsche Macan Turbo.
Gone but NEVER forgotten - C5 RS6 Misano red avant.
Now - Empty garage
If you don't know where you're going, any road will take you there!