Question about 1986 Mercury Marquis

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How do i take off the ignition control module on a 1986 merc marquis

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The module is bolted to the distributor with either two T-20 torx bolts or 2 7/32" bolts. They make a tool just for removing these that has both bits. If they are the torx bolts than a t-20 torx bit should work. If they are the 7/32" bolts you will need a very thin wall 7/32" socket. A regular socket will not work.

The tool is very cheap, available at most part stores, and will save you a lot of time.

After you have the bolts out pull straight down on the module and it will unplug from the pickup coil located in the distributor. Don't be surprised if the pickup coil disintegrates when you remove the module.

The other thing is sometimes you'll need to rotate the distributor to gain access to the bolts. There is a bolt that holds a retainer that clamps down on the distributor when it enters the block. If you have to rotate it mark the distributors position before you loosen anything so that you know where to set it back to when you are finished.

Posted on Oct 03, 2010

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