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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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Four-C Service Required" HELP PLEASE.Views : 4535 Replies : 30Users Viewing This Thread : |
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May 16th, 2021, 14:53 | #21 |
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Last Online: Yesterday 17:17
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Location: Rochdale
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Sorry but is this a wind up, or have you totally got your wires crossed( pun intended!)
The strut on ebay may be for a D5 but is not a 4C shock absorber. A strut is the complete assembled article,top mount,bump stop,gaiter,spring and in the middle of it all the damper - which in the case of the 4C is where the solenoid is housed. From the bottom of the damper should be a control wire - if yours don't have this it's either not a 4C or has been butchered. The accelerometer should be mounted on one of the 'wings' on the strut so the complete strut unit has two wires, one from the small box like accelerometer and one from the bottom of the damper - both of which lead to connections in the engine bay. If yours dont comply with this no amount of testing or cleaning will get the system to work with damaged/wrong components. Look at https://www.skandix.de/en/spare-part...our-c/1036140/ and you can see what a 4C damper looks like. |
May 16th, 2021, 14:59 | #22 |
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Last Online: Apr 24th, 2024 00:09
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Location: derbyshire
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Ok no wires no butchering so the ones on my xc70 must of been replaced then
so i take it i have to live with the message but still not sure why its only showing a fault on one side? but thank you Last edited by c70man; May 16th, 2021 at 15:02. |
May 16th, 2021, 15:19 | #23 |
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Location: Rochdale
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I don't know why you would only get fault codes for one side if both have been replaced with the wrong components, but I can understand why it was done - replacing 4C dampers with new would take a surprisingly substantial number of beer tokens. I have read several people asking if 4C can be replaced with 'ordinary' dampers and somehow 'trick' the system into not throwing a code but have never read where someone actually achieved it.
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May 16th, 2021, 17:25 | #24 |
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Last Online: Apr 24th, 2024 00:09
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Location: derbyshire
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yes, i had herd you cold short the wiring some how
i have since noticed two more sockets in the engine bay with no lead going out of them i guess they must of been the shock connections. well i will live with it for now see how it goes when i can i will try purchase the proper ones thank you for you help all the best steve |
May 16th, 2021, 17:37 | #25 |
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Last Online: Today 01:20
Join Date: Aug 2020
Location: Dagenham
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Just at a guess it would probably be a bit more than just shorting pins, I may be wrong on this one but a lot of sensors use variation of resistance to signal to the ecu. You might try and find out what resistance it is supposed to be and putting in some resistors, seeing as they are literally pennies (although you'll probably have to buy a bag of 200) I would bet decent money it isn't that simple though just because nothing ever is
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May 16th, 2021, 17:51 | #26 |
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Last Online: Apr 24th, 2024 00:09
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yes
if there was some one out there that could put a meter on one that would tell me what sort or resistors required. |
May 16th, 2021, 18:33 | #27 |
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It's quite an old article but have a look at https://www.ipdusa.com/techtips/1008...-volvo-have-it
The last line of the last paragraph:- 'Four-C is integrated with the traction control, braking systems and engine management on your Volvo so removing it is not a simple matter' Probably sums up why there doesn't appear to be a 'simple fix' to replace or fool the system. |
May 16th, 2021, 19:14 | #28 |
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ok thank you
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May 16th, 2021, 19:53 | #29 |
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Location: Dagenham
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wow ok so it's not really even advisable to try then is it, if you're not really sure what effect that's going to have on your abs and traction control, etc
I recall having convo. recently about preferring to not have any of that stuff anyway, which is fair game for debate / personal preference... but having it there and malfunctioning is probably even worse than not having it at all sounds like an ebay / breakers job to me if replacing it with new outvalues the car or makes it not worthwhile Last edited by stuart bowes; May 16th, 2021 at 20:02. |
May 16th, 2021, 19:58 | #30 |
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2 for the price of one compared to scandix..
here or just one that's a lot cheaper: here ** edit: scratch that last one I think it's wrong anyway scandix gives you the part number doenst it, or you can post up your VIN and someone will check for you if you haven't got VIDA Last edited by stuart bowes; May 16th, 2021 at 20:01. |
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