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Username Post: 3 spd - open driveline        (Topic#360078)
54er210 
Contributor
Posts: 163
54er210
Loc: Upper Austria
Reg: 08-29-15
03-08-20 03:20 AM - Post#2788177    

Hello,

I do have a question to a problem I am not sure about.
I changed the original tranny on my 54 inline 6 to a 3 spd out of a 56 chevy to get an open driveline.

Now the thing is, sometimes the 3rd gear just pops out while driving, sometimes more regularly, sometimes a few days not. I cant´t figure out a regularity about that popping out.

Tryed to adjust shifting linkage, but din't solve the problem ...

Any other idea what could cause this? Anyone had this problem too?

Thank you,
Regards from Austria,
Stefan



 


johnwd98 
Contributor
Posts: 457
johnwd98
Age: 70
Loc: Little Falls, MN
Reg: 09-05-10
03-08-20 07:11 AM - Post#2788183    
    In response to 54er210

2-3 synchronizer is bad. When I was a kid, I replaced the synchronizer regularly. A few "power shifts" and the synchronizer would come a part.

1950 Fleetline, 355 TBI, mild cam, 700R4, 3.73 posi rear Blazer axle, MII front. Remote door and trunk locks, GM cruise control, A/C,


 
RAM_51 
"4th Year" Silver Supporting Member
Posts: 5662
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
03-08-20 09:37 AM - Post#2788194    
    In response to 54er210

Sometimes a misaligned transmission will cause the it to jump out of gear. I see that Chevrolet had this problem and it is discussed in one of my service bulletins and solved it by shimming the transmission where it botls to the bell housing.

1951 Fleetline Preservation
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 
Dean50 
"14th Year" Gold Supporting Member
Posts: 1517
Dean50
Loc: Detroit area
Reg: 01-02-07
03-08-20 09:49 AM - Post#2788195    
    In response to RAM_51

Hi Ram
How did they know where to shim?

Dean50



 
RAM_51 
"4th Year" Silver Supporting Member
Posts: 5662
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
03-08-20 09:58 AM - Post#2788196    
    In response to Dean50

Let me see if I can post that bulletin. Stay tuned...file damage to the previously scanned images....in reviewing what I can see though...a dial runout indicator may be required and there is also a mention of a stronger spring in the box on the column. Just a sec...it's 8 pages.

Attachment: BULLETIN_DR-70_1.jpeg (2.42 MB) 7 View(s)




Attachment: BULLETIN_DR-70_2.jpeg (2.43 MB) 8 View(s)




Attachment: BULLETIN_DR-70_3jpeg.jpeg (2.07 MB) 9 View(s)




Attachment: BULLETIN_DR-70_4.jpeg (1.9 MB) 7 View(s)




1951 Fleetline Preservation
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 
RAM_51 
"4th Year" Silver Supporting Member
Posts: 5662
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
03-08-20 10:51 AM - Post#2788202    
    In response to RAM_51

Tha balance of the Bulletin:

Attachment: BULLETIN_DR-70_5.jpeg (2.22 MB) 6 View(s)




Attachment: BULLETIN_DR-70_6_jpeg.jpeg (2.57 MB) 7 View(s)




Attachment: BULLETIN_DR-70_7.jpeg (2.09 MB) 6 View(s)




Attachment: BULLETIN_DR-70_8.jpeg (2.25 MB) 6 View(s)




1951 Fleetline Preservation
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 
Dean50 
"14th Year" Gold Supporting Member
Posts: 1517
Dean50
Loc: Detroit area
Reg: 01-02-07
03-08-20 12:38 PM - Post#2788216    
    In response to RAM_51

Wow. I guess that about covers that!
Thanks Ram. You have an incredible library.

Dean50



 
RAM_51 
"4th Year" Silver Supporting Member
Posts: 5662
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
03-08-20 12:47 PM - Post#2788218    
    In response to Dean50

Seems I have a little more info on the '49s as they were still "shaking out" problems with the new models.

1951 Fleetline Preservation
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 
54er210 
Contributor
Posts: 163
54er210
Loc: Upper Austria
Reg: 08-29-15
03-08-20 02:01 PM - Post#2788227    
    In response to RAM_51

Thank you for this incredible information, need to take some time to read it carefully.
But one question remains when I see this documents, is this a "doing at home job"?



 
RAM_51 
"4th Year" Silver Supporting Member
Posts: 5662
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
03-08-20 02:36 PM - Post#2788229    
    In response to 54er210

I suppose someone could do it at home...but keep in mind, I am only trying to indicate that your problem may indicate a misalignment problem or could be something as simple as needing a different spring in the box on the column. Have you looked there? Also, keep im mind that this only addresses a car that is completely the same year [1949] and does not address mixed years [i.e. closed drive line / open drive line].

I had read though some similar information on our vintage Chevrolets jumping out of gear when I worked at an auto craft shop year ago that was associalted with the U.S. Army. I think it was in one of the Service News issues. A guy came in and said that his car was not staying in gear and would "pop-out" at speed. I asked him for more information and learned that he had done some clutch work to it. I asked if he had any parts left over to which he described things that, to me, seemed like shims. He thought they were not important. Maybe wrong, but I summized that that was his problem.

1951 Fleetline Preservation
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 
rrausch 
"16th Year" Silver Supporting Member
Posts: 14285
rrausch
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
03-08-20 02:53 PM - Post#2788232    
    In response to RAM_51

Ram, is it your take that the alignment problem originated in the bellhousing?

1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.




 
52BA 
"13th Year" Gold Supporting Member
Posts: 185
52BA
Loc: Newberg, Oregon
Reg: 04-12-06
03-09-20 08:55 AM - Post#2788273    
    In response to 54er210

Have you cleaned and put fresh lube inside of the
shift box on the column?
I had the same problem years ago and it was the 60 year old lube would not let the internals in
the box operate freely. Some even add a little
gear oil to thin the new grease some.
Gary



Edited by 52BA on 03-09-20 08:56 AM. Reason for edit: No reason given.

 
2blu52 
"19th Year" Silver Supporting Member
Posts: 19269
2blu52
Age: 86
Loc: Montana
Reg: 03-12-02
03-09-20 09:22 AM - Post#2788278    
    In response to RAM_51

I had a similar problem to this, but with the transmission from the 52. I borrowed a dial indicator and checked the alignment and it was okay. (the engine had been out of the car 3 times.) I rechecked the shift rod alignment, had the transmission apart and replaced the front bearing, needle bearings and thrust washer. Helped a lot but did not cure it. I found that Chevrolet had updated the springs in the shift lever indention's and found a pair of NOS and changed that. The problem finally just went away and I suspect it was the springs for the indents that changed things.

"PEACE IS THAT GLORIOUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"

THOMAS JEFFERSON


 
54er210 
Contributor
Posts: 163
54er210
Loc: Upper Austria
Reg: 08-29-15
03-09-20 10:31 AM - Post#2788285    
    In response to 2blu52

Ok, thank you.
I will check lubrication first, then the spring, an will see if there is any improvement.

Thanks for your help.
Regards
Stefan



 
50hotrod 
"8th Year" Silver Supporting Member
Posts: 1066
50hotrod
Loc: Wisconsin
Reg: 07-25-11
03-09-20 11:22 AM - Post#2788287    
    In response to 54er210

Hello 54er210,
Have you checked the motor mounts? If things are moving around that could be the problem.

1950 CHEVY 2 DOOR 327 TRI POWER FENDERWELL HEADERS HEIDT FRONT SUSPENSION 700R4 TRANS 411 REAR



 
gcrkfrd 
"2nd Year" Silver Supporting Member
Posts: 140
gcrkfrd
Age: 73
Loc: Neosho, MO.
Reg: 04-01-18
03-11-20 06:24 AM - Post#2788409    
    In response to 50hotrod

When I was a young lad, there was a garage here, that drilled the holes deeper for the detent balls in the side cover. It seemed to work, 55 Years ago.

52 Styleline Fourdoor 62 235 PG


 
RAM_51 
"4th Year" Silver Supporting Member
Posts: 5662
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
03-11-20 11:37 AM - Post#2788437    
    In response to rrausch

  • rrausch Said:
Ram, is it your take that the alignment problem originated in the bellhousing?


That seemed to be one of Chevrolet's takes on it. And it seemed to align with the guy that did his own clutch work. Never good to have parts left over. But again all bets are off when you are mixing and matching different drive trains; there are bound to be "bugs" that need to be worked out.

1951 Fleetline Preservation
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 


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