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Transmission Modulator |
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SST343 
AMC Nut 
Joined: Jul/20/2007 Location: Virginia Status: Offline Points: 366 |
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 Topic: Transmission ModulatorPosted: Nov/19/2017 at 10:33am |
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What are the symptoms of a bad modulator?
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andyleonard
AMC Apprentice 
Joined: Dec/10/2016 Location: 90290 Status: Offline Points: 138 |
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Posted: Nov/19/2017 at 10:53am |
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Any particular car/transmission?
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SST343
AMC Nut
Joined: Jul/20/2007 Location: Virginia Status: Offline Points: 366 |
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Posted: Nov/19/2017 at 1:31pm |
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I have a 71 Javelin with an M11 BW.
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ramblinrev
Moderator Group 
Joined: Dec/28/2008 Location: Wisconsin Status: Offline Points: 11528 |
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Posted: Nov/19/2017 at 2:18pm |
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You would likely have some poor quality shifts, too soon or too late. It's easy to test a modulator....just get a clean vacuum hose on the tip and suck on it! It's also easy to replace. They just screw in to the tranny case; some of them have an adjustment screw; I can't recall if yours does.
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74 Hornet Hatchback X twins (since 1977)
62 American Convertible (still worth the $50 I spent in 1973!) AMCRC #513, AMO #384 70 AMX 360 4-speed (since 1981) |
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SST343
AMC Nut
Joined: Jul/20/2007 Location: Virginia Status: Offline Points: 366 |
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Posted: Nov/19/2017 at 3:18pm |
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This modulator is adjustable with the screw. I'm noticing a more than usual delay when shifting into reverse or drive.
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SST343
AMC Nut
Joined: Jul/20/2007 Location: Virginia Status: Offline Points: 366 |
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Posted: Nov/19/2017 at 3:22pm |
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Do you turn the screw adjustment clock-wise for more pressure?
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ramblinrev
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Joined: Dec/28/2008 Location: Wisconsin Status: Offline Points: 11528 |
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Posted: Nov/19/2017 at 3:38pm |
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Yes, screw it in clockwise for more pressure.
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74 Hornet Hatchback X twins (since 1977)
62 American Convertible (still worth the $50 I spent in 1973!) AMCRC #513, AMO #384 70 AMX 360 4-speed (since 1981) |
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