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1971 javelin automatic shifting problem |
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jimclo2002 
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Joined: Aug/22/2012 Location: Delaware Status: Offline Points: 207 |
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 Topic: 1971 javelin automatic shifting problemPosted: Aug/19/2014 at 6:48am |
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The problem I'm having if put the car in D drive and go the transmission does not seem to shift into the next gear. BUT If I put the shifter down in 1st then and then into 2nd while driving its seems ok
don't know why it does not go through the gears normally when in Drive Any help.. comments? |
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304-dude
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Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: Aug/19/2014 at 6:54am |
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Modulator valve or vacuum leak.
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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farna
Supporter of TheAMCForum 
Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19676 |
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Posted: Aug/21/2014 at 9:37am |
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If that doesn't do the trick, pull the valve body and clean thoroughly -- could be a sticking shift valve. I bet replacing the modulator and/or vacuum line will fix it though.
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Frank Swygert
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