I have got a replacement car seat for my Megane from a scrap yard as all the
springs and lumbar control have gone in my drivers side seat and it is very
The car seat I got from the scrap yard is from a car which had been in a
crash and although the seat isn't damaged the seat belt tensioners fired in
the accident. Does anyone know if I can just take the one off my old seat
and fit it to the new one?
Do you even need them to be working?
I would appreciate any advice
I believe Caterham installed them into their 7 to meet injury criteria
legislation, to permit continued export.
As part of the seatbelt system they are homologated, but (Assumption) I
assume that if you unplug your old one and fit it to the new seat then plug
it back in it will still be part of the original vehicle, so there will not
have been a change to necessitate the control module to be reprogrammed.
If you do unplug it, don't forget to disconnect your battery and ensure all
static has gone from the vehicles safety system before un/plugging anything.
Better still, pay someone to do it (Like a Renault garage) - it is their
risk bodily and liability for any replacement PBP.
Well thanks for all the advice. I tried it today and it worked just fine. I
disconnected the battery and the appropriate fuse in the engine fuse box.
Waited a while so any remaining charge leaked off. Once I had the new seat
in and connected it all back up it didn't fire so I presume all is well.
If you plug the new seat into your car with discharged tensioner the SRS ECU
will know and illuminate the fault lamp, so yes you should swap the original
You will need to disconnect the battery and leave it for 15-30mins for
everything to go completely dead and reduce the chance of a fault lamp
Be very careful when you are working with the tensioner that it doesnt go
off- there is no "safe" key for these that you insert, and whilst they dont
go off as easily as an airbag be cautious.
Turn on the ignition switch after and reconnect the battery- try to make
sure the lead contacts the battery post once and properly rather than
brushing it- i..e make a good clean contact.
Hopefully you wont have the SRS lamp lit!
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