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Socast



Member Since: 25 Sep 2014
Location: Somerset
Posts: 594

United Kingdom 2006 Range Rover Sport Supercharged Santorini Black
Noisey ACE pump

Hi everyone,

I've been through the ringer a little and I'm hoping someone can point me to a possible solution.

My 06 RRS SC currently sounds like a BMW half series (new Mini) and it's doing my fruit. The cause of the whine has been tracked to the ACE pump.
I've tried quite a few bits already, I bought a brand new valve block (was very cheap on eBay), bought a new reservoir and also tried swapping out the pump for one I bought from a breakers yard. The system has been flushed/bled and a new filter fitted in the valve block.

After all that it's still whining, one thing with swapping out the pump for a different one is that the sound is DEFFINATELY coming from the pump as the pitch/volume of the whine has changed since swapping them over.

Now there is every possibility that the pump I bought from the breakers yard isn't right but these pump's hardly ever fail, I've had it suggested that it may be the insulation on the pipe mounts has corroded and is causing the noise to feed back through the chassis etc.

Now before I go and spend £900 on a new pump has anyone got any other ideas ?

Post #490852 Mon Mar 14 2016 9:35am
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Malc H



Member Since: 18 Feb 2020
Location: Bristol
Posts: 6

England 2008 Range Rover Sport Supercharged HSE Java Black

Hi did you ever find the cause of the noisy ace Pump?
I know this is an old post but my car has same fault and I have also changed everything except the reservoir.

Post #595153 Tue Feb 18 2020 9:02pm
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Socast



Member Since: 25 Sep 2014
Location: Somerset
Posts: 594

United Kingdom 2006 Range Rover Sport Supercharged Santorini Black

No, I replaced the entire system bar the actual sway bar actuators. I’ve now come to live with it 😂

Post #595154 Tue Feb 18 2020 9:11pm
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Malc H



Member Since: 18 Feb 2020
Location: Bristol
Posts: 6

England 2008 Range Rover Sport Supercharged HSE Java Black

Thank you for your speedy response.
Looks like I am in for an interesting time, mine is so noisy I am now considering changing the ace fluid to a higher viscosity, I know many say only use the correct fluid but have to do something radical.

Post #595155 Tue Feb 18 2020 9:39pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1847

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

When is it noisy? It’s a pretty simple set up. 2012 5.0 SC AB
Mods:
TPMS
Genuine LR DRLs
Remote Boot close from key fob
2016 Discovery 4 Mirrors AKA RRS2
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE
2014 LR4 Homelink
2016 FFRR Electrochromatic Wing Mirror Glass

70 plate Focus ST (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)
1943 Whites M16 Halftrack (Current)
16 plate Eurofighter Typhoon, 2 x Eurojet engines with 20,000lbs thrust each. 1380mph

Post #595702 Fri Feb 28 2020 2:35am
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Malc H



Member Since: 18 Feb 2020
Location: Bristol
Posts: 6

England 2008 Range Rover Sport Supercharged HSE Java Black

Hi its very noisy above 1000rpm it emanates from the ACE.Pump new one fitted slightly better at first but now exactly the same.
Just like Socasts issue who has also changed everything except the active role bars. Hoping fluid change and full bleed of the system may help otherwise will have to turn up the volume on the Showaddywaddy cds

Post #595885 Sun Mar 01 2020 10:40pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1847

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

Defo from the pump? lots of other parts in this area and noise travels! 2012 5.0 SC AB
Mods:
TPMS
Genuine LR DRLs
Remote Boot close from key fob
2016 Discovery 4 Mirrors AKA RRS2
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE
2014 LR4 Homelink
2016 FFRR Electrochromatic Wing Mirror Glass

70 plate Focus ST (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)
1943 Whites M16 Halftrack (Current)
16 plate Eurofighter Typhoon, 2 x Eurojet engines with 20,000lbs thrust each. 1380mph

Post #595891 Mon Mar 02 2020 2:14am
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Malc H



Member Since: 18 Feb 2020
Location: Bristol
Posts: 6

England 2008 Range Rover Sport Supercharged HSE Java Black

yes sadly
as part of the major refurb;
Supercharger refurbished
new water pump
all idler and tensioners replaced
new alternator
new belts
even new viscous fan bearing
engine is smooth and quiet.
Used stethoscope for identification. Pipework is quiet.
Alway happy to receive any ideas / views, thanks for your interest. As you say it is a simple system but reading on the web and other forums its seems to be an issue no one has fully resolved - yet. This car previously belonged to my son and he had all LR dealer service and repairs including this noise - eventually they claimed its ’Normal’!!!!!
Lovely car though.

Post #595927 Mon Mar 02 2020 5:24pm
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Disco_Mikey



Member Since: 08 Apr 2012
Location: Dundee, Scotland
Posts: 4319

United Kingdom 2010 Range Rover Sport Supercharged HSE Santorini Black

When was the filter in the valve block replaced?

Post #595931 Mon Mar 02 2020 8:04pm
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Malc H



Member Since: 18 Feb 2020
Location: Bristol
Posts: 6

England 2008 Range Rover Sport Supercharged HSE Java Black

at the same time the valve block was changed by the LR dealer

Post #595935 Mon Mar 02 2020 9:49pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1847

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

Does the sound change if you take the cap off the reservoir? The system is so simple that at rest, the pump just pushes fluid to the valve block and it’s then returned to the reservoir and back to the pump. Can you see the fluid returning to the reservoir at idle?

I can say that (touch wood) my system doesn’t make any noise and I have a healthy return at idle. 2012 5.0 SC AB
Mods:
TPMS
Genuine LR DRLs
Remote Boot close from key fob
2016 Discovery 4 Mirrors AKA RRS2
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE
2014 LR4 Homelink
2016 FFRR Electrochromatic Wing Mirror Glass

70 plate Focus ST (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)
1943 Whites M16 Halftrack (Current)
16 plate Eurofighter Typhoon, 2 x Eurojet engines with 20,000lbs thrust each. 1380mph

Post #595936 Mon Mar 02 2020 11:00pm
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Malc H



Member Since: 18 Feb 2020
Location: Bristol
Posts: 6

England 2008 Range Rover Sport Supercharged HSE Java Black

Have checked today, the sound does not change with the cap off and there is a healthy flow of fluid.
I have taken off the reservoir and fluid easily flows from the inlet and outlet so no blockage on the internal filter.
Removed valve block filter and I was expecting the fluid in the pipes and the reservoir to drain but less than an egg cup of ACE fluid flowed,
Do you or anyone know if there is solenoid valve that opens the primary circuit?
Thank you both for your ideas.

Post #596194 Sat Mar 07 2020 10:44pm
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Baz0195



Member Since: 29 Jun 2018
Location: Telford
Posts: 23

England 2010 Range Rover Sport 3.0 TDV6 HSE Santorini Black

Hi there. I had my front ACE pipes replaced on my59 2010 shape RRS and ever since then I’m getting a noise from under the driver’s side foot-well when cornering it’s like a metal on metal sound which I thought was coming from the wheel but it has been looked at by my indie & had the front wheels & brakes apart tried a new Wheel bearing but still doing it. I was told that it could be coming from the ace as it sounds like fluid in Pipes kind of noise which now makes sense as it started just after the ACE pipes was changed, I had to have the car back as it in for an mot tomorrow & the indie had to carry on with there other customers, it’s booked back in on Thursday, any ideas what it could be would be much appreciated ðŸ‘ðŸ»

Post #599751 Fri Jun 05 2020 6:01pm
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Brit Plumber



Member Since: 05 Jan 2018
Location: Sleaford, Lincolnshire
Posts: 1847

England 2012 Range Rover Sport Supercharged Autobiography Fuji White

Check the rubber mounts are 1, present and 2, intact. There should be 2 on the pipes behind the wheel And one clamp near the front body mount under the drivers side. If the fitter re-used the original mounts, there’s a good chance they were goosed when he removed them. If they are good, check the valve block mounts are good and that the pipes are not touching the body or chassis. There’s at least 4 or 5 different front ace pipes so have they fitted the correct version? 2012 5.0 SC AB
Mods:
TPMS
Genuine LR DRLs
Remote Boot close from key fob
2016 Discovery 4 Mirrors AKA RRS2
2014 L405 Surround Camera retro fit (WIP)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE
2014 LR4 Homelink
2016 FFRR Electrochromatic Wing Mirror Glass

70 plate Focus ST (Current)
1942 VEP Ford GPW Jeep (Willys) (Current)
1943 Whites M16 Halftrack (Current)
16 plate Eurofighter Typhoon, 2 x Eurojet engines with 20,000lbs thrust each. 1380mph

Post #599757 Fri Jun 05 2020 10:47pm
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