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c4 transmission problem
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Rory View Drop Down
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Joined: 16-April-2013
Location: Key Peninsula
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Points: 1 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Rory Quote  Post ReplyReply Direct Link To This Post Topic: c4 transmission problem
    Posted: 27-April-2013 at 11:11AM
I have a 1972 gran torino sport. I had the c4 xp rebuilt by a frie nd at his school. Now it wont shift after it warms up. I can go about a mile or two with it shifting great but then it shifts as if i removed the modeulator. I tried several modulators and adjusted them with no differance. I am afraid my friend may have messed up the trans but i am hoping for an easier fix. Any help would be greatly appreciated.
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ghosttrain2 View Drop Down
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Joined: 05-July-2011
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Points: 46 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ghosttrain2 Quote  Post ReplyReply Direct Link To This Post Posted: 06-May-2013 at 5:58PM
A split valve body gasket or over torqued valve body can give these symptoms. Might be the easiest things to check.
1977 LTD, 2 door
1972 N code Ranchero, Project
1972 Torino formal roof
1970 Torino 500, Project
1974 Cougar parts car
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Robbdtme View Drop Down
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Points: 765 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Robbdtme Quote  Post ReplyReply Direct Link To This Post Posted: 07-May-2013 at 4:26PM
Trans fluid over filled could cause that too.
Johnny cash Special 74-75-76 freak. 77 XR7. 78 LTD II sport looks pretty but poop 302 in it.
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Robbdtme View Drop Down
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Points: 765 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Robbdtme Quote  Post ReplyReply Direct Link To This Post Posted: 08-May-2013 at 6:02AM
Fully warm it up for a bout a half hour then while running in Park check the fluid level. As little as half a quart too much can really goof it up. Since it works cold I really think this may be your problem
Johnny cash Special 74-75-76 freak. 77 XR7. 78 LTD II sport looks pretty but poop 302 in it.
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