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Ride Level ECU Error
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3
Ride Level ECU Error

Code: C1A20
Pressure increases too slow when filling Reservoir (INTERMITTENT)

Where should I start looking first?


I have a brand new compressor in the box in the garage but before I replace it I want to ask here if it might be something else.

Ride hight is fine and its not dropping over night.


Open to all sensible suggestions .
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
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Post #141476926th Jan 2015 6:40 pm
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tayaste
 


Member Since: 15 May 2013
Location: Chester
Posts: 7633

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

I had this fault on mine. Was told it was the silica balls needed drying. I replaced it with an amk . No probs since. If you have a new compressor why not fit it and then you will be able to service your old one for spare or sell it .
  
Post #141477926th Jan 2015 6:52 pm
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Allan_T
 


Member Since: 10 Sep 2012
Location: Northampton
Posts: 1034

United Kingdom 2007 Discovery 3 TDV6 GS Auto Java BlackDiscovery 3

Seeing that you already have a replacement I would fit that instead of investing time any money in the old unit.
 GAP IID Pro Multi Vehicle Defender L316 2007-2015 - Discovery 3 - Discovery 4 - Discovery Sport L550 - Freelander 2 - Range Rover Evoque L538 - Range Rover L322 - Range Rover L405 - Range Rover Sport L320 - Range Rover Sport L494
Electrical Fault Diagnostics
 
 
Post #141479626th Jan 2015 7:09 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Are the silica balls in the Air Dryer or the compressor, if they are in the Air Dryer maybe I should also replace that. As I don't have a spare Air Dryer I would have to get one off Steve.

If my Dryer is stuffed then replacing the compressor might be a false economy or do I miss understand .
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #141480826th Jan 2015 7:30 pm
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Allan_T
 


Member Since: 10 Sep 2012
Location: Northampton
Posts: 1034

United Kingdom 2007 Discovery 3 TDV6 GS Auto Java BlackDiscovery 3

Did the brand new compressor not include the air dryer Question
 GAP IID Pro Multi Vehicle Defender L316 2007-2015 - Discovery 3 - Discovery 4 - Discovery Sport L550 - Freelander 2 - Range Rover Evoque L538 - Range Rover L322 - Range Rover L405 - Range Rover Sport L320 - Range Rover Sport L494
Electrical Fault Diagnostics
 
 
Post #141484926th Jan 2015 8:11 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

LOL, now I have to go out to the garage and open the box.
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #141485226th Jan 2015 8:14 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

OK, opened the box, 2 covers (One split in two ), Compressor & a bag of fitting & pipes.

I take it that the compressor fitted to mine is the original from 2005 when the car was new so think this is the correct replacement.


Click image to enlarge



Click image to enlarge
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #141487126th Jan 2015 8:29 pm
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tayaste
 


Member Since: 15 May 2013
Location: Chester
Posts: 7633

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

That's the new type. Easier to fit than replacing like for like, as you can cut the pipes instead of having to wrestle them out
  
Post #141487726th Jan 2015 8:36 pm
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Woolmeister
 


Member Since: 26 Mar 2007
Location: Chandler's Ford
Posts: 3459

Ukraine 

You might want to check to see if your air tank is leaking before fitting the new compressor.

To be fair, if you're still on your original compressor on an 05MY you've done well. I would replace the compressor and the air tank if you're considering keeping the car for any length of time.


Steve
 2021 BMW iX3 Premier Edition in Carbon Black ⚡️🔌
2019 Škoda Kodiaq 2.0 Tdi 190 DSG Sportline in Quartz Grey. Excellent vehicle. Gone.
2017 Discovery Sport HSE Auto in Carpathian Grey and Ebony Leather. Modern JLR Junk. Gone.
2007 Discovery 3 TDV6 S Manual in Zermatt Silver with Ebony Cloth (143k) Gone, but now patrolling the Asia section of the West Midlands Safari Park! 
 
Post #141492626th Jan 2015 9:37 pm
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therealboss
 


Member Since: 21 Mar 2014
Location: Co Carlow
Posts: 1958

Ireland 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

The reason I thought there were no leaks was that once she goes to sleep the hight stays the same, even over 2 or the days it stays up. Because she was not sinking, I guessed that there were no leaks, if the Air Tank was leaking, I thought it would end up sitting on the bump stops after a few days.
 Dale




Mods to date.
D4 Rear Lights
Xenon Lights fitted & De-Tangoed
RAI, V8 Brake Upgrade, AMK Compressor
Beanie Grill
ProSpeed Roof Rack & Ladder
ProSpeed Tree/Rock Sliders
Disco3.co.uk Orange Sticker
ATR's Fitted
Club Blackvue 
 
Post #141493826th Jan 2015 9:44 pm
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