Copper grease for TPMS caps ?

[Ridgeway]

I seem to remember a few people advocated the use of grease on the TPMS sensors (Tyrepal) and i wondered if copper grease is the correct type ?

 

[Wombles]

I seem to remember a few people advocated the use of grease on the TPMS sensors (Tyrepal) and i wondered if copper grease is the correct type ?

Sure someone here will know the answer but if in doubt suggest giving TyrePal a call (01543 870 190) or email as they have technical back up staff.
Mr Wombles has never used grease for any of ours over several years & no mention of it in the current instructions but will watch here to see what others do.

 

[Ridgeway]

Thanks and i now know there's a Mr and Mrs Wombles

 

[Wombles]

Just found this in website FAQ:
"TyrePal Solar and TC215 sensors have a brass thread which is very resistant to corrosion when used on normal tyre valves with a brass thread.

Corrosion occurs mostly where different metals are in contact in the presence of an electrolyte like salty water. Some specialised tyre valve stems are made of aluminium. We do not recommend using the system with this type of valve as corrosion will occur where the different metals are in contact.

If the monitor does not receive signals from a sensor for an extended period, it displays an alert for that tyre position. The exact period before this alert is given depends on the model.

Recommended precautions:

• Put a small amount of WD40 or silicone grease on the locking ring and on the threads of the valve stem. This film separates the different metals.
• Remove the sensors once a month during winter to prevent bonding.
• Remove the sensors if the vehicle is to be unused for several months.
• Do not use the locking rings if the vehicle is being used in extremely salty conditions, such as a boat trailer where the wheels may be immersed in the sea."

 

[Wombles]

Thanks and i now know there's a Mr and Mrs Wombles

I'm the one who spends too much time on the forum & he's the techie one!

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[JeanLuc]

Having had some sensors seize onto the valves in the past, I now rub a smear of silicone grease onto the thread before installing. The seizure was not caused by metal incompatibility but rather, I think, by the weak solution of leak detector spray that I used. I now rely solely on a water spray with just a drop of washing up liquid to test for leaks when fitting the sensors.

 

[Ridgeway]

Thanks both, you just saved me from spending £12 on copper grease ! i have some silicone grease for my bike so will add a tab.