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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHCrazy winter air pressure
Leading reported evidence
Check tire pressure across the fleet (3 cars + pickup)
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Performed · outcome unconfirmed · Original poster
Over the weekend I checked the tire pressure across the fleet (3 cars + pickup).
Leading evidence: 'Check tire pressure across the fleet (3 cars + pickup)' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check air often enough' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
I keep my 1999 C2 Cab 996 in a garage and havent checked the tires since before winter set in.
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A PO must have missed a few gears and knackered up the gear box so I had that changed on an extended warranty which I got with the car.
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Performed · outcome unconfirmed
I use the car daily and have put almost 9,500 on since last April.
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Rennlist: 1 discussions
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Over the weekend I checked the tire pressure across the fleet (3 cars + pickup). Uniformly all the tires were down 5-7 pounds. I check the air often enough that this was quite a surprise. One possible reason could be the wild temperature fluctuations this winter... 35 one day and 70 the next.
So everybody go check your tire pressures!!!
I know, I always mean to check at every gas stop... but I don't always. And I definitely check the Porsche more than the other cars.
I agree 100%. I just checked it after a deep cold spell that lasted a day.
all tires were down 3 to 4PSI which can really affect the ride quality as well.
Thanks
I keep my 1999 C2 Cab 996 in a garage and havent checked the tires since before winter set in. It's not been a real cold winter here in PA. But I was suprised to find no pressure loss since my last check. I have 18inch wheels and have 36psi front and 44psi rear. The only thing I can put that down too is when I last checked them the outside temp was in the 40sF and the same temps as they are today. I use the car daily and have put almost 9,500 on since last April. The car has 53500 on it with no problems. Apart from one thing. A PO must have missed a few gears and knackered up the gear box so I had that changed on an extended warranty which I got with the car.
THanks for the heads up on the tire pressures. I will check them more often in future.
We have Tire Pressure Monitoring System (TPMS) in wife's car, and when the temp drops significantly, it always triggers, and it looks like all four tires are having an issue. In reality, the air inside the tire contracts in the cold air, and expands in the warmer air. I live in Florida, so never too cold for too long, and if you fill them, then you have to release them a few days/weeks later when it's 80+ again, as they are then too high. It's a fun game her car and I play.
The primary cause of fluctuating tire pressures (usually attributed to temperature change) is the moisture content of the fill air. If you live in an high humidity region with big temperature swings, like Florida, have your tires filled with nitrogen.
Nitrogen has several properties that make it the superior fill besides its immunity to moisture. Ask any track rat about this.
relinuca
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