Renault Laguna II - Phase 1 - Wheels and Tyres - Tyre Pressure Sensors - Member experiences and solution - Page 16 - Renault Forums :: Independent Renault forum

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post #76 of 560 (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?
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post #77 of 560 (permalink) Old 21st November 2005
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I have a spare but dud tyre sensor in my spare wheel well somewhere chakota so if you pm me we could arrange to meet.

Loughton is at the rear of the rail station and if you look from the station multistorey car park you can just about see my house in

Small world me finks..
post #78 of 560 (permalink) Old 21st November 2005
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I'm starting to wish I'd never bought my LagunaII, always seems to have a fault and expensive to repair and I don’t have a dealer in my town with a diagnostic machine. Two Renault garages but I have to travel 20 miles to identify problems.

I’ve always had a slow puncture on my rear passenger side and recently replaced the tyre, this did nothing. Now it doesn’t matter if the pressure is correct, the wheel flashes away. I therefore thought maybe the senor was broken so bought the replacement and took it to a tyre place as advised by the Renault garage (shocked, they don’t do tyres). According to both garages, once the sensor has been changed it should reset itself within a couple of days. No such luck. In fact the tyre is doing exactly the same thing so I’ve probably just replaced a working sensor.

The rear drivers side has recently been affected by the cold and flashes for a few minutes until you get down the road. Now its started to flashes continually and occasionally disappears altogether.

Never buying a French car again and when I buy a new vehicle, I will check with the local garage what they actually can do.
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post #79 of 560 (permalink) Old 21st November 2005
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I understand your frustration but it's a lack of understanding of the new technology + simple reset switch in the car that annoys most people.

I think your problems will be solved if you get the sensors reset at the dealers.

I was told the same story about the sensors reseting themselves after 15 - 20 miles by both Renault and the tyre fitters but it never happens.

Until proven otherwise I beleive it's a common misconception and one of the reasons I try to repeat the message over and over again.
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Send a message via MSN to Disky

just got mine sorted out after weeks of consultation with the tyre factors that fitted my front tyres.

They have finally sourced and fitted the new sensors to the front of my Lag2 dCi.
Then they asked me to take it to Ren to have them set up,,, 58 friggin quid for the privilage of setting the sensors up, took receipt back and got my ching from the trye factors

so the upshot of this is that they said they will NEVER do another tyre on a Lag lol

I bought 2 good Year NCT's @ 107 for the pair, and it cost them the price of 2 sensors and 58 for the reset............hmmmmmmmm not surprised they wont touch another lag,, once bitten and all that !!!!!!!!!!

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