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Discussion Starter · #1 ·
As a newcomer to the world of Jaguar and this forum, I am having some difficulty in working out the correct tyre pressure for my 2007 X Type 2.2D, 17" 225/45 Pirelli zero rosso shod, cat.

On the internet there are a wide range of answers to this question, ranging from 30 to 38psi, however non are specific to this car.

I can find no indication of tyre pressure, either on the end of the dash, A or B post, or behind the filler cap, nor has the previous owner written the values in the hand book.


There are probably values for laden and unladen travel, and I have seen reference to comfort settings.

It would help me if someone with a similar car could send details of their tyre pressure sticker, indeed it would be helpful if somewhere on this forum there was an archive of the various decals used with each car type, such a resource could put an end to this question once and for all.

I hope to post some fixes on this site shortly, including problems that the local dealer could not fix without an open cheque.

Many thanks
 
G

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Tyre Pressures 0-100 mph
(0-160 km/h)
Front205/55 R162.2 bar (32 lbf/in2)
Rear205/55 R162.2 bar (32 lbf/in2)
Front205/50 R172.3 bar (34 lbf/in2)
Rear205/50 R172.2 bar (32 lbf/in2)
Front225/45 R172.1 bar (30 lbf/in2)
Rear225/45 R172.1 bar (30 lbf/in2)
Spare4.2 bar (60 lbf/in2)
 

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Worth a thousand words... Good idea of yours to create an archive - this one's near to falling off as well!

2007 2.2D SEL Diesel

http://i793.photobucket.com/albums/yy214/n****i/Jaguar%20X-Type/TyrePressureTable.jpg
 

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Pressures

We have a 2.2 & the tyre pressure label is inside drivers side door post. You have to get down on your hands & knees, get your face right up to the door post at rear of front wing. Difficult to find at best of times. Pressures, well given that the tolerance on some pressure gauges that I have seen is +/- 2 psi it's not a precise reading anyway. Add to that temperature variations, when sun is on one side of car & tyre is warm to the touch, that can make a noticeable difference of more than 1 psi. Despite all this tyre pressures are most important. We are running on Pirreli 225/45R17's Some time ago checked ours following Main Dealer Service. Plate says Front 32 Rear 30 they were set at 34psi Front & Rear. Spoke to Service Manager, he advised that in his opinion 34 all round reduces tyre wear a little & still gives a comfortable ride. He was right & we have run on 34 all round ever since without a frown. If in doubt then would suggest stick to Jag Specifications on pressures dependent on whether your running on OE. Spec. Tyres. If you have 18" wheels then low tyre pressures are not good at all not so much tyre depth to bounce up & down on increasing risk of possible wheel damage.

Roger.
 

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Discussion Starter · #5 ·
Many thanks for all the helpful information, I had previously set the pressures to 33psi front and rear when cold, and I use a bourdon type gauge which is about as good as they get, they seem too soft to me.

I was given a table of tyre specifications, size, manufacturer and pressures for a range of engine types though not all.

I am having a little difficulty posting this as a table, so might try as an image a little later today.

Richard
 

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Discussion Starter · #6 ·
Not quite sure if this will work but here goes, and before you all go and change your tyre pressures I have no means of checking the authenticity of these figures, I believe they are from an American source if the original spelling is anything to go by.

Wheel Tyre Size Tyre Type Wheel Engine Comfort Normal
Front Rear Front Rear
psi psi psi psi

16" 205/55 R16 91V Pirelli P6000 6.5Jx16 2.0 30 30 35 32
2.5 and 3.0 32 32 38 35
2.0 and 2.2D 32 30 35 32
205/55 R16 91H Continental CH95 6.5Jx16 2.5 and 3.0 32 32 38 35

17" 225/45 R17 91Y Pirelli P Zero 7Jx17 2.5 and 3.0 30 30 38 35
2.0 and 2.2D 32 30 36 34
225/45 R17 91H Continental CH95 7Jx17 2.5 and 3.0 30 30 38 35
225/45 R17 94W Continental Sport contact 7Jx17 2.5 and 3.0 34 34 38 35
2.0 and 2.2D 34 34 38 35
205/50 R17 93Y Pirelli P Zero Rosso 7Jx17 2.0 34 34 36 34

18" 225/40 R18 92Y Pirelli Zero Nero 7.5Jx18 2.0 34 32 38 35
2.5 and 3.0 36 34 40 35
2.0 and 2.2D 34 32 38 35
spare T 125/85 R16 99M Pirelli 4Jx16 All 60
 

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Speaking of which, does anybody know anything about load ratings? I've got 91-rated tyres on the back, and 94 on the front. I don't suppose there's any great difference between the two, but it's as well to use what the manufacturer specifies.
 
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