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#893316 10/30/2012 4:54 PM
Joined: Sep 2010
Posts: 60
C
'Bolter
'Bolter
C Offline
Joined: Sep 2010
Posts: 60
Advice needed for the best way to remove an original 4-speed transmission from a 1952 1/2 ton Chevy pickup with torque tube. Needs synchronizers.

Joined: May 2001
Posts: 7,440
Extreme Gabster
Extreme Gabster
Joined: May 2001
Posts: 7,440
Best way is on a rack with a transmission jack. If you don't have that you can use a shop crane through the passenger door to lower it to the ground.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
Joined: Sep 2010
Posts: 60
C
'Bolter
'Bolter
C Offline
Joined: Sep 2010
Posts: 60
Thank you, cletis. Hope you have a Happy Thanksgiving.

Joined: Sep 2006
Posts: 3,597
B
'Bolter
'Bolter
B Offline
Joined: Sep 2006
Posts: 3,597
FYI, the SM-420 weighs 135 lbs.

Joined: Feb 2006
Posts: 549
A
Shop Shark
Shop Shark
A Offline
Joined: Feb 2006
Posts: 549
Originally Posted by cletis
Best way is on a rack with a transmission jack. If you don't have that you can use a shop crane through the passenger door to lower it to the ground.

I've used jack stands and a floor jack for years cletis. I'd bet you've done it as well.

Joined: Aug 2011
Posts: 835
K
Shop Shark
Shop Shark
K Offline
Joined: Aug 2011
Posts: 835
When I was a pup, I used to just wrestle that SM-420 in and out by myself.
.
Last time I did it I used a small floor jack. Didn't need to put the truck on any kind of stand. You will want to have a helper to keep the tranny stable as you work the jack.

Don't forget to drain the oil out of the tranny before you do this if you want to keep everything pristine in your shop. Oil can leak out of the shift tower when you lay the tranny on its side or it can leak out the back if you tip it that way.

Kurt

Joined: Sep 2010
Posts: 60
C
'Bolter
'Bolter
C Offline
Joined: Sep 2010
Posts: 60
Thank you, for all advice.
Transmission came out fine. It's at the transmission shop for repairs.

Joined: Jun 2012
Posts: 44
J
New Guy
New Guy
J Offline
Joined: Jun 2012
Posts: 44
Sorry to get in on your post but I have a 1953 GMC w/4 speed and I can only see 2 top bolts holding transmission in. Is there 2 lower ones or does the bellhousing have to come out to remove the transmission. Thanks

Joined: Nov 2006
Posts: 2,544
D
Shop Shark
Shop Shark
D Offline
Joined: Nov 2006
Posts: 2,544
The lower bolts are inside the bellhousing and go into the transmission.

Joined: Jun 2012
Posts: 44
J
New Guy
New Guy
J Offline
Joined: Jun 2012
Posts: 44
I have never done this job, one of tech tips is to put a t5 in and mount to bellhousing and being able to retain stock clutch and starter button with no other mods. is there any way those bottom bolts can be accessed except by bellhousing removal? If I read the other posts the engine would have to come out to be able to remove the bellhousing? This my son, who is 21, and would like to be able to stay at highway speeds. Any other suggestions?

Joined: Nov 2006
Posts: 2,544
D
Shop Shark
Shop Shark
D Offline
Joined: Nov 2006
Posts: 2,544
To get at the bolts all you have to do is remove the tin cover on the bottom of the bellhousing and then you can get inside to remove the bottom transmission bolts.

Joined: Jan 2012
Posts: 3
O
Just totally retired. Have a 51 3/4 ton, just got moved in.
Just totally retired. Have a 51 3/4 ton, just got moved in.
O Offline
Joined: Jan 2012
Posts: 3
:dang: thanks for the info. Have a 51 doing the same thing.


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