Question about 1989 Ford Thunderbird

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1989 ford thunderbird std brake system vacuum booster install?

My 1989 ford thunderbird standard brake system needs a replacement brake vacuum booster, because the original one was broken. The rod and spring which attached to the brake pedal linkage came out of the boot. Because this rod came out of the diaphram hole of the brake vacuum booster, removal of the rest of the booster, the disk, was not that difficult. Unfortunately, I cannot get the replacement brake vacuum booster installed because there is not enough room to squeeze the booster with the rod attached into the area where the rod goes through the firewall hole to be bolted down. The Hayes manual and the instructions that came with the part both say to just slide it in and bolt it up, but the part appears to be a little too big to fit between the the firewall, the engine, and the wheel well. Do I need to pull the engine or something? Is the 1898 brake vacuum booster rod removable? Should I force it down into the area, risking bending the diaphram?

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  • David Belser Jan 22, 2009

    The part is the correct one. How do I know if the rod comes out. I do not want to damage the part.

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There are a Couple of Different Variations on the Boosters. Make sure that you have the Correct one First. If you do, Just work it, Some of the Rods are Removeable by the Way.

Posted on Jan 21, 2009

  • Travis Humphries
    Travis Humphries Jan 22, 2009

    If it is Removable it will Screw out Most times.

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