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Changing Spheres or not? |
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C6Marcy
 
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  Member No: #4417
Location: South West |
After 12yrs is it worth considering changing the spheres? Do the aftermarket spheres offer any benefits or is the quality vastly inferior to OEM I suppose it can be done slowly and change one every payday? |
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cit-rotti
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  Member No: #3753
Location: Bayern |
Hello, Original balls last a very long time. If your C6 is still springing well, you can wait to switch. Removed balls can be checked with a ball tester to see what taring pressure is still present. Original balls can also be refilled because the 3-fold membrane is of high quality. Replica balls have a cheap membrane and a narrower flow channel - only original balls are really good. Always change all balls - spring cylinder and hardness regulator. Greetings Wolfgang |
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Paulius
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 Member No: #1821
Location: Vilnius |
Is it still possible to order OEM spheres new? | ||
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321dave
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 Member No: #614
Location: Dublin |
Paulius wrote ... Is it still possible to order OEM spheres new? Hi Paulius, I believe they are available from Citroen still but need to be ordered, as i bought a full rear set this time last year, but they are selling the Eurorepar brand ones as well and they are less than half the price of the Citroen original spheres with the logo on them. Im not sure what the difference is but if i had to guess it must be something probably to do with the membrane on the cheaper branded ones and it relates to the PSA parts supply business of Peugeot. Anyway, the Citroen logo version of the spheres are around 180 euros each if i remember the quote. Hope that helps. 321dave |
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C6Marcy
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Member No: #4417
Location: South West |
The reason why I was looking to change my spheres was the car seems to be able to cope with normal road surfaces but short sharp jolts eg expansion joints or slightly raised drains can be felt as a jolt through the entire car I have seen videos of the hydropneumatic suspension, when new, tackling cobbled roads and I don't have faith that mine could |
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arconell3
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 Member No: #922
Location: Kalkar |
That appears to be a shock absorption issue rather than a suspension issue. Unless your C6 is a 2.2 HDI, the Amvar (variable damping) system (inside the struts) would be responsible for such behavior, not the spheres themselves. Check and correct ride height first, see if there are any faults listed (Diagbox), check tire pressure and also the tire settings in Diagbox (make sure XL and the correct rim/tire combination are selected). Regards, Robert |
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C6Marcy
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Member No: #4417
Location: South West |
arconell3 wrote ... That appears to be a shock absorption issue rather than a suspension issue. Unless your C6 is a 2.2 HDI, the Amvar (variable damping) system (inside the struts) would be responsible for such behavior, not the spheres themselves. Check and correct ride height first, see if there are any faults listed (Diagbox), check tire pressure and also the tire settings in Diagbox (make sure XL and the correct rim/tire combination are selected). Regards, Robert I've managed to get Diagbox 7.62 working, slowly getting to grips with it Only fault in the suspension seems to be U116 The AMVAR seems to be set at 8-9 "steps" I have included a couple of pictures......wondering if the rear left sensor voltage is an anomaly?   |
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C6Marcy
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Member No: #4417
Location: South West |
I have had the car on a 4 post ramp today to get some measurements Front tyre radius 317mm Front left height measured 133mm (Kxm 184mm??) Front right height measured 133mm (Kxm 184mm??) Rear tyre radius 327mm Rear left measured height 196mm (Kxm 131mm??) Rear right measured height 198mm (Kxm 129mm??) Am I right in thinking the car is approximately 20mm too low? I have included a screenshot of my current suspension settings.....I'm at a complete loss where you program the suspension height on Diagbox  Any help gratefully received |
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Fraunie
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Member No: #3763
Location: Stockdorf |
When I am doing the height programming I set the height for the front at 0160 and the back at 0220. I am using the same radius (radii?) for the tyres as you have. The thing is when you are programming the heights via the procedure, you would set 0160 for the front and 0220 for the back. The system then corrects it to 0160 (+- 6) for the front and 0110 (+-6). Your settings for the back seem to high... |
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C6Marcy
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Member No: #4417
Location: South West |
Fraunie wrote ... When I am doing the height programming I set the height for the front at 0160 and the back at 0220. I am using the same radius (radii?) for the tyres as you have. The thing is when you are programming the heights via the procedure, you would set 0160 for the front and 0220 for the back. The system then corrects it to 0160 (+- 6) for the front and 0110 (+-6). Your settings for the back seem to high... Are you using Diagbox to adjust suspension heights? If you are just wondering if you could tell me what subfolders it's under |
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Fraunie
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Member No: #3763
Location: Stockdorf |
It is either suspension eco tech or CSS, I always have to search for it anew, sorry... | ||
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C6Marcy
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Member No: #4417
Location: South West |
Fraunie wrote ... It is either suspension eco tech or CSS, I always have to search for it anew, sorry... No problem, I can find alot of folders to "read" information but none that seem to be able to "adjust" the numbers........I'm probably in the wrong folder |
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cruiserphil
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  Member No: #38
Location: Celbridge |
Hello C6Marcy, You're on the ball! It would appear your car is about 20mm too low all around. I found Lexia a nightmare but with Diagbox, you just put in the measurements and then the heights should correct. Don't need the engine running, just ignition on! As per Fraunie, I can never remember where exactly the height adjustment menu is. After first input, it will ask you to press down respectively on front and rear enough to cause the car to react. Then it will ask you to measure and enter again. Hopefully you'll get a 'programming done' confirmation and all will be well. Best regards, Phil C. Hope this helps, Phil C. |
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C6Marcy
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Member No: #4417
Location: South West |
cruiserphil wrote ... Hello C6Marcy, You're on the ball! It would appear your car is about 20mm too low all around. I found Lexia a nightmare but with Diagbox, you just put in the measurements and then the heights should correct. Don't need the engine running, just ignition on! As per Fraunie, I can never remember where exactly the height adjustment menu is. After first input, it will ask you to press down respectively on front and rear enough to cause the car to react. Then it will ask you to measure and enter again. Hopefully you'll get a 'programming done' confirmation and all will be well. Best regards, Phil C. Hope this helps, Phil C. Many thanks for your input, I feel like I'm slowly getting used to the cars quirks but now need to get a grasp of Diagbox LOL Does Diagbox calculate the Kxm? Also if the car is 20mm too low it may make my hard town suspension much better once I figure out how to input the information |
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c6kev
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Member No: #1508
Location: Wales |
C6Marcy wrote ... Fraunie wrote ... It is either suspension eco tech or CSS, I always have to search for it anew, sorry... No problem, I can find alot of folders to "read" information but none that seem to be able to "adjust" the numbers........I'm probably in the wrong folder I struggled through all of this last week. See thread - Click Here - particularly the first post and the post by HiPOL from 15/8/17 The menu structure in Diagbox is : DIAGNOSIS -> GLOBAL TEST -> VARIABLE DAMPING -> SPECIFIC AFTER SALES OPERATIONS -> SET HEIGHTS I was unable to make any correction for left/right roll, but HiPOL's method works to raise/lower the front or back. I found that entering the same measurements for left and right minimised the number of failed operations. If you get an error message, try repeating the procedure a few times - it usually works in the end. The definition of madness is repeating the same procedure and expecting a different result. For this operation, being insane will be very helpful; the results don't appear to be consistent. Good luck, Kevin |
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