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Geoff You don't actually need a special tool, which, in any case is only a 13mm spanner. After removing the sensor from the tyre valve, simply remove the locking washer (which isn't held in by anything - so a fingernail is the only tool you need) unscrew the top which is only finger tight but in desperation a pair of pliers used carefully will be OK. Then remove and replace the CR1632 lithium battery and reassemble.

2023-06-12 07:57:42 Helpful (0)
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