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Mercury Grand Marquis
Classic 1964-1978 Ford Mustangs
Late Model 1979-New Ford Mustangs

How do you remove and replace a modulator valve in a 1986 Ford Mustang?


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Wiki User
2015-07-15 21:20:14
2015-07-15 21:20:14

You have to jack the car up and go under the passenger side and look close to the back of the transmission for the round modulator valve. There will be a little bracket around the end where the little hose comes out from. Unhook the little black hose from it and loosen up the bracket and it should come right out. Do it backwards putting the new on in. Tighten it back up, but not to too tight then hook the hose up and you should be set to go.

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The exact location of the transmission modulator valve on your Ford Mustang is dependent upon the year of the Mustang. Most of the time the transmission modulator valve will be on the back of the transmission.

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This transmission does not have a modulator valve.This transmission does not have a modulator valve.

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There is a modulator on some transmissions. If yours has a vacuum line going to the trans, it connects to the modulator and you simply remove the bolt holding it and pull it out.

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To change the transmission modulator valve in a 97 Pontiac Bonneville you will first need to lift the vehicle off the ground. Then, remove the vacuum hose and the defective valve. You can then replace with new, and replace the hose.

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That year did not use a modulator valve. The transmission is COMPUTER controlled.


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