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Classic/Antique Car Repair/1967 Ford Mustang Transmission

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Expert: - 11/15/2007


Question
I have a 67 Mustang with a 289 engine. It has an automatic 3 speed transmission which leaks.  I've been told that my front and rear seals need to be replaced.  I'm wondering if just replacing the seals is ok or if it would be a good idea to have the transmission rebuilt all together.  Any insight would be helpful. Thanks!

Answer
This is one of those cases that it is an "in my opinion". You are going to have to remove the transmission from the car to replace the front seal. The rear one can be done from under the cat after removing the drive shaft. In my opinion the hard work is done and the car is 40 years old. I would go though the transmission while it is out of the car and at least replace all of the seals and O rings as well as the bands and clutches. Good luck.
Brad

Classic/Antique Car Repair

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Brad Sears

Expertise

All automotive including antique and collectible. However if the car has been modified I can only answer in general terms and maybe get you pointed in the right direction.

Experience

Automotive tech instructor. Syndicated auto columnist 1970's though the early 1990's. Syndicated auto radio talk show, Ask Brad About cars, CBS Radio 70's through 90's TV Show "Last Chance Garage" 1980's PBS-TV syndicated. Auto instructor for the following companies: Fram Autolyte Holly Carter AMF Ford Motor University Of Conn Blue Hills Technical School Sugar River Technical Center Grew up in a family garage in Needham Mass and turned wrenches from the age of 14.

Publications
Manchester Union Leader, Nashua Telegraph, Motor Service Magazine, Yankee Magazine, Popular Mechanics (Saturday Mechanic early 80's), Los Angeles Times, New York Times, and lots more.

Education/Credentials
More than I care to remember. Basically Franklin Technical Institute in Boston, Northeastern University, Fitchburg State Teachers College, Tufts University, and a lot of factory schools along the way.

Awards and Honors
Moto Award winner. And much more.

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