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> Transmisson, 1st Gear Question
xperu
post Jun 24 2017, 03:38 PM
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I drive a 74 4 cylinder. W pulling my shift into 1st, say at a complete stop I have a very difficult time pulling the shift into 1st and sometimes I have to put in 2nd to go. Most of the time I will put it in 1st while coasting to a stop. When going through the rest of the gears the trans shifts very smooth. Any help would be appreciated. Mike
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mlindner
post Jun 25 2017, 05:16 AM
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Mike, the first gear slider and synchro can be changed without a transmission tear down.....Only need to take off rear cone where first and reverse reside. Best, Mark
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stownsen914
post Jun 25 2017, 06:02 AM
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Other common causes of shifting issues that may be looking into if the above suggestions don't work:
Loose set screw in the knuckle on the shift rod just behind the engine firewall.
Shift linkages bushings worn. One in firewall, another back where linkage attaches to the trans.
Less likely, but misaligned shift linkage (just below shifter, where it attaches to shift rod).
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forrestkhaag
post Jun 27 2017, 12:42 PM
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QUOTE(stownsen914 @ Jun 25 2017, 05:02 AM) *

Other common causes of shifting issues that may be looking into if the above suggestions don't work:
Loose set screw in the knuckle on the shift rod just behind the engine firewall.
Shift linkages bushings worn. One in firewall, another back where linkage attaches to the trans.
Less likely, but misaligned shift linkage (just below shifter, where it attaches to shift rod).


and to add another possible issue: the clutch fork may have a worn plastic bushing therein causing inadequate compression of the t/o bearing. I had this problem with a solution of inserting a shaved edge dime into the fork cup then reinserting the bushing. All gears with no gnashing whatsoever now.

cheers
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Mark Henry
post Jun 27 2017, 02:00 PM
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QUOTE(forrestkhaag @ Jun 27 2017, 02:42 PM) *

QUOTE(stownsen914 @ Jun 25 2017, 05:02 AM) *

Other common causes of shifting issues that may be looking into if the above suggestions don't work:
Loose set screw in the knuckle on the shift rod just behind the engine firewall.
Shift linkages bushings worn. One in firewall, another back where linkage attaches to the trans.
Less likely, but misaligned shift linkage (just below shifter, where it attaches to shift rod).


and to add another possible issue: the clutch fork may have a worn plastic bushing therein causing inadequate compression of the t/o bearing. I had this problem with a solution of inserting a shaved edge dime into the fork cup then reinserting the bushing. All gears with no gnashing whatsoever now.

cheers

Also engine rubber mounts may be shot.
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