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post #76 of (permalink) Old 21st November 2005
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I suppose everyone's experience varies. My only problems with the pressure sensors have been down to corroded on metal caps, or one case of the electronics module separating from the stem and rattling loose round the inside of the wheel (the only symptom of this was severe front wheel imbalance that led me to believe that someone had kerbed the car - the sensor carried on working flawlessly.)

I initially assumed that these sensors somehow recharged from the movement of the wheel, but it turns out that they have a 'sealed for life' battery in there with a finite lifespan. At some point, the battery is going to die, and the sensor will stop working as a result. When this happens to one, it probably makes sense to replace all four so that you only get to pay the 45 quid reprogramming fee once. Some of the earlier Laguna IIs must be getting on for five years old now, which is pushing your luck with a lithium battery, so I'd expect this to become a fairly common problem.

The pressure sensing valves look like they would fit most wheels. The only real issue is whether or not the wheel you choose has room for the actual sensor, which is a relatively large block attached to the base of the valve. If you're going wheel shopping in person (as opposed to on-line/mail order) then why not see if you can scrounge a dud valve from your local Renault dealer, then just take it with you and see if it fits?
Currently in Horatio's garage:
2010 Laguna III Initiale.
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