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Joined: Sep 2007
Posts: 393
R
'Bolter
'Bolter
R Offline
Joined: Sep 2007
Posts: 393
I've just had my radiator rebuilt and am freshening up the whole radiator support area (1947 AD 216) I have done a lot of searching on the site but am uncertain about the orientation of the bolts that attach the radiator support to the cross member. I have read and seen that they either go down (i.e. head up) or upside down (i.e. head at the bottom. Is there a right way or does it matter? I believe the bolts are 2 inch carriage bolts. (I don't trust some of the things the previous owner(s) have put on the truck.) Any help greatly appreciated. Thanks.


It's a small world, but I wouldn't want to paint it.
Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269
Rusty,

Here are some rough illustrations of the from motor mount for a 216/235/261:

Master Parts Catalog
Shop Manual

Two carriage-stle bolts are pushed down through the mounting plate on the front of the block.
Here are instructions.

Here is a post with photos/explanation.
Here is another thread/discussion with a good photo-album by Denny.

Joined: Jan 2010
Posts: 4,263
D
Shop Shark
Shop Shark
D Offline
Joined: Jan 2010
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Radiator

...link...

Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269
Thanks, DADS50

That is a different mount from mine.

I do not know which year used which mount.

Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269

Joined: Jan 2010
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D
Shop Shark
Shop Shark
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Joined: Jan 2013
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J
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Rule of thumb: If you put the bolt up from the bottom and the nut falls off, the bolt drops out and everything falls apart.
If the bolt goes in from the top and the nut falls off the bolt stays in place. Everything is loose but doesn't fall apart.

Joined: Apr 2015
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C
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Joined: Apr 2015
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The rule of thumb I use is: bolt down, bolt head in direction of rotation, bolt head forward in direction of driving. This is unless the only way to insert bolt head is in the opposite direction.


1959 3100 Apache Fleetside
Joined: Jan 2010
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D
Shop Shark
Shop Shark
D Offline
Joined: Jan 2010
Posts: 4,263
The center mount support has no nuts, it uses a threaded plate

The bolt can only go up from the bottom.



The support on my 50 1/2 ton has two mounting points
The bolt can come from the top and is held in place with nuts.

Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269
DADS50,

You are correct, 1947-48 mounts were different from 49-55st. Can you find an illustration for the earlier radiator mount?

http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0102.htm

Maybe someone will post links to photos (or, if you have already posted some, would you post the links again?).

The FAM is for 54/55st.

Thanks,


Moderated by  Phak1, Woogeroo 

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