Tyre pressure

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  1. #1

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    Tyre pressure

    Ideal tyre pressures for Corsa C (2003). Thanks.

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    its in the manual matey
    i do mine at 32 front 35 back

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    Thanks fella. Are yours at standard pressure? They seem well high. My old dear was running them at 28 all round (apparently a garage told her that).

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    i think its 28 at the front and 32 at the back

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    Premier Member Matt Hill's Avatar
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    SEARCHHHH!!!!!!!


    look at the owners manual too!
    Astra MK4 SRi-Turbo with Courtenay Sport Tuned Z20LEH VXR 888 Sport Maxx Engine - GONE

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    38 at the front | 35 at the back

    you are suppose to have a higher inflation on the tyres at the front due to the weight of the engine.

    my car is a 1.8 though so im assuming for a smaller engine it might be less

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    mine isnt that high and im a 1.2

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    Cold tyre pressures for a 1.2

    Normal Load is 32psi at the front and 26psi at the rear

    Fully laden is 35psi at the front and 41psi at the rear

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    from the faq

    What pressure should my tyres be?
    Engine - Z10XEP ECO
    Tyres - 155/80 R 13 - For Winter Months only
    Inflation With upto 3 Persons - F 35 R 35
    Inflation With full load - F 39 R 44

    Tyres - 175/65 R 14 - Pressures For Economical Driving
    Inflation With upto 3 Persons - F 39 R 36
    Inflation With full load - F 39 R 44

    Tyres - 175/65 R 14 - Pressures For Comfort Driving
    Inflation With upto 3 Persons - F 35 R 35
    Inflation With full load - F 39 R 44

    Engine - Z10XEP, Z12XEP
    Tyres - 155/80 R 13, 175/65 R14, 185/55 R15, 195/45 R16
    Inflation With upto 3 Persons - F 32 R 26
    Inflation With full load - F 35 R 41

    Engine - Z14XE
    Tyres - 175/65 R14, 185/55 R15
    Inflation With upto 3 Persons - F 33 R 30
    Inflation With full load - F 35 R 41

    Tyres - 195/45 R16, 205/40 R17
    Inflation With upto 3 Persons - F 33 R 30
    Inflation With full load - F 38 R 44

    Engine - Z14XEP
    Tyres - 175/65 R 14, 185/55 R15, 195/45 R16
    Inflation With upto 3 Persons - F 33 R 30
    Inflation With full load - F 35 R 41

    Engine - Z18XE
    Tyres - 175/65 R14*, 185/55 R15 (*Only Winter Months)
    Inflation With upto 3 Persons - F 33 R 30
    Inflation With full load - F 35 R 41

    Tyres - 195/45 R16, 205/40 R17
    Inflation With upto 3 Persons - F 38 R 35
    Inflation With full load - F 38 R 44

    Engines - Z14XE, Z18XE SRi only
    Tyres - 195/45 R16
    Inflation With upto 3 Persons - F 35 R 32
    Inflation With full load - F 38 R 44

    Engine - Z13DTH
    Tyres - 175/65 R14, 185/55 R15
    Inflation With upto 3 Persons - F 33 R 30
    Inflation With full load - F 35 R 41

    Tyres - 195/45 R16, 205/40 R17
    Inflation With upto 3 Persons - F 35 R 32
    Inflation With full load - F 38 R 44

    Engine - Z17DTH
    Tyres - 185/55 R15
    Inflation With upto 3 Persons - F 38 R 35
    Inflation With full load - F 38 R 44

    Tyres - 185/60 R15
    Inflation With upto 3 Persons - F 35 R 32
    Inflation With full load - F 38 R 44

    Tyres - 195/45 R16, 205/40 R17
    Inflation With upto 3 Persons - F 39 R 36
    Inflation With full load - F 39 R 44


    Combo Figures available upon request. Figures taken from the August 2003 Owners manual.

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    Cheers for the input. I put 32 in the fronts and 26 in the rears from reading online.

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    wtf is all this different pressure for the front and back all about? And the psi's seem way to high

    Every time ive been to a tyre place they've inflated mine to 32psi all around? I asked them about different psi for the front and rear and they said it should always be the same for all 4 wheels

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    corsa_mark's Avatar
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    Fronts should be higher as they have to carry more weight if running "standard". Full loads or loads of luggage means rears have to be higher.

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    What if your on 17s? I usually just put 30 or 32 in all round, cant remember which one lool. I looked in the manual but it doesnt have any 17 sizes

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    Quote Originally Posted by kyle_d View Post
    What if your on 17s? I usually just put 30 or 32 in all round, cant remember which one lool. I looked in the manual but it doesnt have any 17 sizes
    32 all round is fine mate. Not into all this mixed pressure for different loads etc

  16. #15

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    Quote Originally Posted by charlton_68 View Post
    32 all round is fine mate. Not into all this mixed pressure for different loads etc
    lol me neither, cool cheers mate.

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    I just done my 1.8 the other day... im sure it was in the manual as 35 front, 32 rear

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    Quote Originally Posted by charlton_68 View Post
    32 all round is fine mate. Not into all this mixed pressure for different loads etc
    that is just what tyre pressure mechanics put in wheels because 32psi is the average and they cant be bothered to look at the manual. the manual of every car states the correct tyre pressures due to the different weight of cars etc.
    Quote Originally Posted by Craig View Post
    I just done my 1.8 the other day... im sure it was in the manual as 35 front, 32 rear
    38psi front and 35psi back for mine mate, dont kno if it is different for facelifts with them having 16's on

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    Quote Originally Posted by Meza_SRi View Post
    that is just what tyre pressure mechanics put in wheels because 32psi is the average and they cant be bothered to look at the manual. the manual of every car states the correct tyre pressures due to the different weight of cars etc.

    38psi front and 35psi back for mine mate, dont kno if it is different for facelifts with them having 16's on
    i could be wrong... i have a rubbish memory lol

    cant be bothered running downstairs to check

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    Quote Originally Posted by gtc View Post
    Cold tyre pressures for a 1.2

    Normal Load is 32psi at the front and 26psi at the rear

    Fully laden is 35psi at the front and 41psi at the rear
    That. Although I always do the backs at 28PSI, the ride feels nicer than at 26.

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    Im even more confused now! I have a 1.2 with standard SXI's according to that list it says i should be running 32F 26R.

    Does it make much difference have the rear a lower pressure? Could i not run the rears the same as the front? I want the best for grip and economy.

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    I just put 36PSI all round for mine...

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    Premier Member Matt Hill's Avatar
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    bit high that is tbh...
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    NOW - BMW 5 series ///M Sport Auto

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    I do have a fully loaded car most times tho so thought 36psi all round would be fine...
    EDIT: Shall I drop all the tyre pressures to 32psi all round then?

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    what do i need for a standard 1.8 SRi?

  26. #25

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    As mentioned in the 9th post, 35psi for front, 32psi for back.

    Ignore the comments about having all round psi, higher or lower psi other than what your manual says (adjust the PSI if you are carrying heavy loads or quite a few passengers, as indicated in your manual).

    The correct PSI gives the correct amount of tyre to road distribution, allowing for even wear, optimal grip and economy. This also takes into account of your car's suspension and shocks set-up. The reason why the tyres at the front has more pressure (unless you are carrying more passengers or taking a heavy load) is due to the location of the engine and taking into account of braking. Under heavy braking, most of the pressure is applied to the front of the car (hence cars tilt forward, as dictated by motion, forces, etc... not gonna give a physics lesson here so I'm gonna stop ), this is where your front tyres come into play.

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