First car i have ever had with TPMS, so please bear with me , in August i set the tyre pressures as recommended in an ambient temp of 20C. to 33psi front & 36psi rear.
So in these winter temperatures of 8C or so what do you do?
Do you adjust your tyre pressures to the cold weather? what do people do on here?
Tyre Pressures in winter
They will have probably dropped so just adjust back to recommended number
On order
GT4 RS
Current
2019 992 S
2019 Macan S
2014 Modified Lotus Exige V6
2022 Seat Ibiza 1.0 (115ps) DSG Excellence Lux(dog’s!)
1987 928S4
1967 Jag Mk2 3.4
Ex
2012 Boxster S
GT4 RS
Current
2019 992 S
2019 Macan S
2014 Modified Lotus Exige V6
2022 Seat Ibiza 1.0 (115ps) DSG Excellence Lux(dog’s!)
1987 928S4
1967 Jag Mk2 3.4
Ex
2012 Boxster S
Pressures are correct 33/36. No need to change for winter. You might notice the TPMS display shows pressure increasing as tyres get hotter; think the fill pressure is supposed to be at 20degrees C
2017 Macan GTS Carmine Red
2005 Boxster S Artic Silver
2005 Boxster S Artic Silver
^^
..which does adjust for temps...
1st Sapphire SD
2nd Sapphire GTS
viewtopic.php?f=23&t=4296
Current 992 S Cab
viewtopic.php?f=23&t=9845&p=196465#p196465
2nd Sapphire GTS
viewtopic.php?f=23&t=4296
Current 992 S Cab
viewtopic.php?f=23&t=9845&p=196465#p196465
A change in ambient temp doesn't make a massive difference to pressures. Even a shift of 30 degrees C is only going to cause a pressure change of less than 10%
---
2018 Macan Turbo Exclusive Performance Edition with all the trimmings
viewtopic.php?f=23&t=10070
2018 Macan Turbo Exclusive Performance Edition with all the trimmings
viewtopic.php?f=23&t=10070
Certainly enough to change the instant TPM reading upwards by 0.2 or even 0.3 bar from rest to working temp in the summer (and “loosing” 0.2 bar from rest in the winter, which I guess was the OP query)
1st Sapphire SD
2nd Sapphire GTS
viewtopic.php?f=23&t=4296
Current 992 S Cab
viewtopic.php?f=23&t=9845&p=196465#p196465
2nd Sapphire GTS
viewtopic.php?f=23&t=4296
Current 992 S Cab
viewtopic.php?f=23&t=9845&p=196465#p196465
Thanks for your answers, i am aware of a drop in Tyre pressures as shown up in the TPMS reading, what i am trying to asseratian is how people on here deal with it. If you re inflate it is not @ 20C so therefore not as Porsche advise. Once you start driving the car the presures increase as the tyres warm up, so just trying to get my head round it. The drop in TP that i am showing is about 3 PSI per wheel cold.
2017 Macan S, Carrara White Metallic, Agate Grey Leather, 21” 911 Turbo Design wheels.
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