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Thread: What radiator cap? (aftermarket radiator)

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    Mechanic longboy's Avatar

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    What radiator cap? (aftermarket radiator)

    Hello all, i'm having trouble finding a radiator cap for a after market rad i bought years ago before the car was stood.
    I bought a standards capri/ escort cap. Doesn't fit, a bit small on the main OD doesn't touch the bottom of the neck and tabs won't go over the locking thingies on the neck.
    Long type cap touches the bottom of the neck but wont compress enough to close and thing the tab issue above is still there. Photos below:
    The neck OD is 57mm, 20mm deep with40 mm internal diameter





    Any help appreciated

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    Bodger

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    Re: What radiator cap? (aftermarket radiator)

    Im assuming your car is a 2L or 1.6 as the 2.8s dont have a spring in the cap and vent straight to the expansion tank.
    Should all be fairly standard have you tried bending the tabs on the car to fit better?
    Pic of the cap on the rad?

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    Mechanic longboy's Avatar

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    Re: What radiator cap? (aftermarket radiator)

    That's the issue. It's an after market radiator I bought years ago. Didn't come with a cap, I think some filling and a washer in the bottom of the neck is needed.

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    Bodger

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    Re: What radiator cap? (aftermarket radiator)

    Bumping a old thread but i have this problem currently

    Looking for a stant cap that fits this neck.

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    Re: What radiator cap? (aftermarket radiator)

    Looking at the dimensions above these are the same for my radiator from Ralloy.
    It has this cap:
    https://www.ralloy.com/alloy_radiato...ap/c23p13.html

  6. #6
    Bodger

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    Re: What radiator cap? (aftermarket radiator)

    Thanks mate, local radiator place sorted me out.

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