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DocCreer 
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Joined: Oct/03/2009 Location: Portland Oregon Status: Offline Points: 1568 |
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 Topic: Trans issuesPosted: Apr/22/2017 at 11:42am |
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Is the trans in a 61 American a 3 or 2 speed, it seems to only shift once.Also reverse does not work until its warm, new fluid tho...any idea's
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61 American
82 eagle limited |
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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: Apr/22/2017 at 11:57am |
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Low band needs adjustment? I think in that type of tranny low band does reverse as well.
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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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tyrodtom
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Joined: Sep/14/2007 Location: Virginia Status: Offline Points: 6214 |
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Posted: Apr/22/2017 at 12:08pm |
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It's a 3 speed. AMC never used a 2 speed.
I'm not familiar with that year, but some years would start out in 2nd gear at some shifter positions.
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66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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DocCreer
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Posted: Apr/22/2017 at 1:45pm |
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Why would it only work when warm?
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61 American
82 eagle limited |
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304-dude
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Posted: Apr/22/2017 at 1:49pm |
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Thermal expansion allowing bands to tighten around drums better.
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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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DocCreer
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Posted: Apr/22/2017 at 3:02pm |
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So I need to adjust the band again?
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61 American
82 eagle limited |
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304-dude
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Posted: Apr/22/2017 at 3:37pm |
If you properly adjusted the band... maybe it is the servo? Something within the actuation of clamping the band around the drum not fully functional until warmed up. Have you had the tranny apart or just did routine maintenance. |
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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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rocklandrambler
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Joined: Feb/09/2013 Location: Nanuet, NY Status: Offline Points: 3953 |
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Posted: Apr/22/2017 at 7:32pm |
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If when starting out you put the gear selector in D2 it will only shift once from 2nd to 3rd. Using D1 should give you two shifts..
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Past AMC's
1974 Hornet X (new) 1975 Gremlin X (new) 1964 Classic 660 Cross Country 1965 American 440-H |
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DaemonForce
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Posted: Apr/22/2017 at 9:10pm |
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This sounds like old Cruiseomatic tech to me. White dot is D2 and that located between Neutral and D1 in this location: P-R-N-[D2]-D1-LO.
Green dot is D1, the next position and this is the dual-range behavior that leads people to believe a 3spd is actually a 2spd. The D2 position is commonly thought to be DRIVE like every modern driver tries to understand. The naming convention indicates that it is in fact a drive position but cycles down no lower than 2nd gear. So the behavior is a 2nd gear launch, upshifting automatically into 3rd gear. 1st gear engages and gets cycled only in the D1 and LO position on the shifting mechanism. If this isn't the case, either your shift linkage isn't positioned correctly or you have a modern select-shift system that will only mimic these behaviors with a full manual valve body. |
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tomj
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Posted: Apr/22/2017 at 9:12pm |
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could be internal leaks causing drain back inside, or worn pump that is losing capacity, in addition to heat. the little Borg Warner air cooled transmission is a fine thing, but at over 50 years old, it's allowed to complain!
the symptom that my most recently owned auto needed servicing was it got increasingly slow to go into reverse when cold, usually the first time. they lasted about 100,000 miles between full teardown/rebuilds, but i drove mine fairly hard and lots of highway and camping etc.
you should find and owners manual, or better yet, a technical service manual. auto shift patterns and behaviors in old transmissions varied a lot. there's two different early Borg Warner patterns too, one that's P R N D1 D2 L and another one with R all the way down... |
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1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5 http://www.ramblerLore.com |
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DocCreer wrote: