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Thread: Torque settings for cylinder head RR V8

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    Gofer/teaperson
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    Default Torque settings for cylinder head RR V8

    Just bought a RR 4.0 V8 M Reg, that needs a little putting back together. I have tried to get a haynes manual - but with no luck. Please can someone help me and supply the torque settings i need for the cylinder heads. Many thanks.

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    Gofer/teaperson
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    Default Re: Torque settings for cylinder head RR V8

    Hiya,

    New member also, but hope the following helps.

    From the manual it is three stage process and should be done in sequence working out from the centre

    Stage 1 - 20 Nm
    Stage 2 - 90% more
    Stage 3 - 90% more

    Done forget these have to be new bolts as the old ones will have stretched. I replaced mine with studs.

    Hope that helps
    Martin

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    Mechanic StrangeRover's Avatar
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    Default Re: Torque settings for cylinder head RR V8

    10-bolt heads use stretch-bolts! Not torqued-down as such; they are tightened in sequence by 90 degrees at a time. The gasket set usualy says exactly what to do.
    I have a new gasket in my garage and if nobody has posted the details I'll go and look it up tomorrow.
    Same truck: Different colour.One of last 300 Series V8 Discos.

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