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42 degrees F in the garage this morning, checked tire pressures with my 'tire pressure gauge' and found all 4 of them 4.5 lbs low. During my pre sunrise jaunt felt the 'wobble like' crawling while driving down the road. Later this morning, filled all 4 to two pounds above OEM rates (34 fronts, 35 rears). This is and was in anticipation to the much lower temps as winter months are almost upon us. After filling tires, WOW... Super fast (no lag) steering and dang if it felt the car was brand new again! OK, enough, PSA time... Check your tire pressures if this time of year means lower temperatures! Have fun!
The door placard on my SRT states 36 PSI Front/Rear
The difference is interesting, if anyone knows the reason share with the board.
This is interesting, can you take a picture of your placard and post it? Every limited/roadster N/A XF I have seen since buying mine, 32 front and 33 rear (OEM tires/OEM placard)
Had the rear tires replaced. The right rear center tread was almost bald like the tire had been run over inflated. The left rear had normal wear for a tire that had around 40,000 miles on it. Went with Conti 275/35-R19's.
42 degrees F in the garage this morning, checked tire pressures with my 'tire pressure gauge' and found all 4 of them 4.5 lbs low. During my pre sunrise jaunt felt the 'wobble like' crawling while driving down the road. Later this morning, filled all 4 to two pounds above OEM rates (34 fronts, 35 rears). This is and was in anticipation to the much lower temps as winter months are almost upon us. After filling tires, WOW... Super fast (no lag) steering and dang if it felt the car was brand new again! OK, enough, PSA time... Check your tire pressures if this time of year means lower temperatures! Have fun!.
Originally Posted by copperfieldkid
The door placard on my SRT states 36 PSI Front/Rear
The difference is interesting, if anyone knows the reason share with the board.
I just checked the tires on the Crossfire and found them about 2-3 lbs low due to temperature drop. Pumped the tires up to 36 psig, which is what I've used since I bought the car back in OCT/2008.
I just checked the tires on the Crossfire and found them about 2-3 lbs low due to temperature drop. Pumped the tires up to 36 psig, which is what I've used since I bought the car back in OCT/2008.
copperfieldkid, thanks for the picture, learning new things, FUN! dedwards, happens at least twice a year depending on when I get to them. If any tires wind up more than a pound or two below the others, they get extra checks and a visual for any leaks. So far have never had to use a plug on any of the xf tires over the years (just lucky, I guess)...
Replaced the alarm/siren with Mercedes part# 219 820 32 26. Works well. Three beeps when locking with the key fob, one when unlocking. Interestingly, if you unlock the vehicle and do not open the door within 40 seconds, the doors lock again. If you unlock with the key fob and open the doors and then close them, there is no automatic door lock feature. The old alarm had gone off three times randomly in the last 2-3 weeks.
Replaced the alarm/siren with Mercedes part# 219 820 32 26. Works well. Three beeps when locking with the key fob, one when unlocking. Interestingly, if you unlock the vehicle and do not open the door within 40 seconds, the doors lock again. If you unlock with the key fob and open the doors and then close them, there is no automatic door lock feature. The old alarm had gone off three times randomly in the last 2-3 weeks.
Bit of trivia: A remote keyless-entry system using a handheld transmitter first appeared on the French-made Renault Fuego in 1982 followed by the U.S. made (in the Kenosha AMC plant) Renault Alliance in 1983. The first car I owned with it was a 1987 Renault GTA Convertible that I bought in 1991.
BTW whomever recently said to re-check our tire pressures on the first cold day of Winter was spot on. All of mine were down around 5psi. As mostly a Florida boy that was never something I had to worry about before.
Bit of trivia: A remote keyless-entry system using a handheld transmitter first appeared on the French-made Renault Fuego in 1982 followed by the U.S. made (in the Kenosha AMC plant) Renault Alliance in 1983. The first car I owned with it was a 1987 Renault GTA Convertible that I bought in 1991.
BTW whomever recently said to re-check our tire pressures on the first cold day of Winter was spot on. All of mine were down around 5psi. As mostly a Florida boy that was never something I had to worry about before.
Glad to help! I do not trust electronic systems in general and the XF's TPMS is a dinosaur when it comes to TPMS systems. Very expensive and just garbage. I've been using a tire gauge since about 6 years before my first car (when my Dad worked in a 'full service' gas station mid 60's). The places equipped with a 'gauge' on the air hose, usually are so broken they are inaccurate (a safe and prudent standard when dealing with any tires in general). Anyone who has read many of my 'TPMS' replies know I am a 'tire gauge only' owner/operator with all my vehicles. I am so glad the XF isn't incorporated into the 'MIL', and is easily bypassed from lighting up on the dash. This helps in case I move to a state that does have vehicle inspections. Owners who have vehicles that incorporate the TPMS into the MIL are screwed (no I have no idea which vehicles use the MIL for it's TPMS). It is extremely hard to fathom how much they (owners) would have to spend to have those systems maintained.....
Glad to help! I do not trust electronic systems in general and the XF's TPMS is a dinosaur when it comes to TPMS systems. Very expensive and just garbage. I've been using a tire gauge since about 6 years before my first car (when my Dad worked in a 'full service' gas station mid 60's). The places equipped with a 'gauge' on the air hose, usually are so broken they are inaccurate (a safe and prudent standard when dealing with any tires in general). Anyone who has read many of my 'TPMS' replies know I am a 'tire gauge only' owner/operator with all my vehicles. I am so glad the XF isn't incorporated into the 'MIL', and is easily bypassed from lighting up on the dash. This helps in case I move to a state that does have vehicle inspections. Owners who have vehicles that incorporate the TPMS into the MIL are screwed (no I have no idea which vehicles use the MIL for it's TPMS). It is extremely hard to fathom how much they (owners) would have to spend to have those systems maintained.....
.
I just turned off my TPMS light and now use a much better aftermarket TPMS that has very accurate sensors mounted on the valve stems as a cap replacement. The head unit is small and solar powered, shows not only the current pressure in each tire, but the temps as well. You can also set alarm/warning for both pressures and temps to whatever level you want.
The whole kit cost $50 and took 3 minutes to install and gives so much better information than the factory TPMS.
I moved my car over to the middle of the garage into its winter storage position, I should have done it a couple of weeks ago but I takes maybe twenty back and forths to get there. Now to inflate the tires to about 50 psi, put on the cover and say goodbye till next year. Mice found the birdseed so some traps are to be laid out. I think the chipmunks have hibernated by now, I would hate to trap one of those little fellows.
I just turned off my TPMS light and now use a much better aftermarket TPMS that has very accurate sensors mounted on the valve stems as a cap replacement. The head unit is small and solar powered, shows not only the current pressure in each tire, but the temps as well. You can also set alarm/warning for both pressures and temps to whatever level you want.
The whole kit cost $50 and took 3 minutes to install and gives so much better information than the factory TPMS.
Yeah, I saw a post with that a while ago, they look like a great system and like you said, only @ 50 bucks. I wonder if those states with vehicle inspections would accept them? Giving the exact pressure (checked every once in a while with a tire gauge, for accuracy) would be great for someone like me but I still would use ole reliable! LOL
I also saw someone post that said something like 'the sensors on his system were stolen' (even though have a locking nut system to stop that).