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Re: Twingo C01 drum brakes proportioning valve
Tried looking at this from the other direction.
The valve number you gave TRW GPV1177 leads me here.
Analog parts of manufacturer: RENAULT - 770832859
Complete with pretty picture.
Which looks like a mechanically operated valve that would normally be on rear suspension somewhere.
Specifically says fitted to the CO6 models but you would need to work out what one of them is.
All I can suggest is looking round the suspension areas and seeing if you can find it.
If not, I reckon there isn't any proportioning valve as standard and any load sharing is down to brake design.
Currently in Dancingdad's garage:
Qashqai 1.6 spark driven, Kia Sedona 2.9 TDI, Scenic II 15DCi 2004 (SORN) not quite RIP.