XJ8(X350) Tire Pressure
#1
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Can anyone tell me what the correct tire pressure is for a 2004 XJ8? The tire has a max pressure of 44lbs. However, when I brought it home they were at 20lbs, so I filled to ~40lbs.
The car did not come with an owner's manual and I wasn't able to find the recommended pressures in the downloadable owner's manual I do have. I've read somewhere that this information is posted on a sticker in a door jam somewhere, but have checked all 4 doors and haven't been able to find it.
Thanks,
Eric
The car did not come with an owner's manual and I wasn't able to find the recommended pressures in the downloadable owner's manual I do have. I've read somewhere that this information is posted on a sticker in a door jam somewhere, but have checked all 4 doors and haven't been able to find it.
Thanks,
Eric
#2
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Open the fuel door cover. the label is applied to the inside. It recommends 28-30 PSI front and 30-32 PSI rear.
The maximum inflation of 40 PSI is for maximum weight loading of the tire. Filling to that level will give you a really hard and bouncy ride and also negatively effect the handling. Follow the Jaguar recommendation for safe handling and ride.
The maximum inflation of 40 PSI is for maximum weight loading of the tire. Filling to that level will give you a really hard and bouncy ride and also negatively effect the handling. Follow the Jaguar recommendation for safe handling and ride.
Last edited by edobernig; 06-17-2012 at 08:59 AM.
#3
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A few months ago someone posted some Jaguar tech specs - I just tried searching and couldn't find them, unfortunately.
What I remember is that for tire pressures and some other things, the table had two columns: USA/Canada and ROW. I puzzled over that and finally surmized that ROW must mean Rest of World. Interestingly the USA/Canada pressures for my 05 XJ8L were 30/32 F/R, which is what it says on the doorplate on my car, but in the ROW column they were either 33/35 or maybe 34/36. I figure they do that on the assumption that we US/Canadian softies want a comfy ride, and the rest of the world prefers better fuel economy. I run mine now at 33/35 or more. Fuel economy is a mpg or two better, and ask me in a couple of years whether the tires are wearing OK.
Ray
What I remember is that for tire pressures and some other things, the table had two columns: USA/Canada and ROW. I puzzled over that and finally surmized that ROW must mean Rest of World. Interestingly the USA/Canada pressures for my 05 XJ8L were 30/32 F/R, which is what it says on the doorplate on my car, but in the ROW column they were either 33/35 or maybe 34/36. I figure they do that on the assumption that we US/Canadian softies want a comfy ride, and the rest of the world prefers better fuel economy. I run mine now at 33/35 or more. Fuel economy is a mpg or two better, and ask me in a couple of years whether the tires are wearing OK.
Ray
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