Whats your tire pressure?
#1
Driver
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Whats your tire pressure?
Might be a bit of a silly thread however the dealer kind of confused me...
I have the stock Bridgestone All seasons that came with the AWD. I remember the day I picked up the car, the two front tires were 39-40 psi, and the back two tires were 41 psi. I drove off the lot and everything was fine.
Fast forward to my first service where they literally check nothing, the service guy said he dropped my tire pressure because it was "way too high," typically used for track at that psi. I thought nothing of it, and all tires were about 34 to 36 psi.
I noticed in the winter months here in Toronto, especially on very cold days, my tire pressure was typically 29 to 31. On a warmer day like today (about 6 degrees celsius) its about in that 34 to 36 range again.
If you really think about it, we are talking about a 10-12 psi drop in tire pressure from when I got it day one, to the very cold winter days. What do you use? What should I use? I feel like I should keep it at 40psi range, just how it came day one.
I have the stock Bridgestone All seasons that came with the AWD. I remember the day I picked up the car, the two front tires were 39-40 psi, and the back two tires were 41 psi. I drove off the lot and everything was fine.
Fast forward to my first service where they literally check nothing, the service guy said he dropped my tire pressure because it was "way too high," typically used for track at that psi. I thought nothing of it, and all tires were about 34 to 36 psi.
I noticed in the winter months here in Toronto, especially on very cold days, my tire pressure was typically 29 to 31. On a warmer day like today (about 6 degrees celsius) its about in that 34 to 36 range again.
If you really think about it, we are talking about a 10-12 psi drop in tire pressure from when I got it day one, to the very cold winter days. What do you use? What should I use? I feel like I should keep it at 40psi range, just how it came day one.
#2
I think 40 is fine and within allowed spec for the tires but you may get a firmer ride from the tires. When I had my winter tires mounted I asked them to fill it at 35lbs and I've seen it range from 32 - 39 lbs depending on temperature outside and accuracy/consistency of the TPMS. In the summer I'll probably fill it around 32lbs.
#4
have u check the sticker on the driver side door? go read it out there or the manual book. it should have the answers for your question. anyway, for fsport rwd its 36 psi all around.
#5
On my RWD they are supposed to be at 36psi all around. They typically get up to 40-41 after driving a bit, which is normal.
Also the guy is on crack about the track pressure. They should be way lower for the track since they get hotter and will increase more on their own. Plus softer = more grip. Maybe he meant autocross...
Also note, dealerships almost never check tire pressures on new cars. Just pump them up and let 'em go. When I picked up my Tundra brand new, sticker called for 46psi all around (off-road tires). The pressures were... 40, 34, 51, and 49.
Also the guy is on crack about the track pressure. They should be way lower for the track since they get hotter and will increase more on their own. Plus softer = more grip. Maybe he meant autocross...
Also note, dealerships almost never check tire pressures on new cars. Just pump them up and let 'em go. When I picked up my Tundra brand new, sticker called for 46psi all around (off-road tires). The pressures were... 40, 34, 51, and 49.
#6
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It obviously varies but it should be 36 psi. Mine is usually lower than 36 once I start driving the car but it eventually goes higher than 36 after I've been driving the car for a little while.
#7
Lexus Champion
36 psi cold, per the manual.
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#9
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One silly question , is the tire pressure suppose to be the same for 17" to 20" tires ?
Or different pressure for different sizes ?
Or different pressure for different sizes ?
Last edited by felixlau; 03-22-14 at 07:46 AM.
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