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1954 GMC 350 Hydra-Matic Truck w/Hydraulic rear hoist #1308996
Tue Apr 30 2019 01:45 AM
Tue Apr 30 2019 01:45 AM
J
jorb  Offline OP
Shop Shark
Joined: Mar 2011
Posts: 1,213
Wis
1954 GMC 350-27 Original > eBay

What is that blue cylinder looking thing, to the right of the heater temperature control hoses Picture
There is some kind of hose attached to the bottom of the blue cylinder heading downwards.
The blue cylinder is held in place by a bracket that is mounted on the firewall.

I think this truck has tranny cooler hoses.

Re: 1954 GMC 350 Hydra-Matic Truck w/Hydraulic rear hoist [Re: jorb] #1309140
Wed May 01 2019 03:19 AM
Wed May 01 2019 03:19 AM
M
Mike B  Offline
Shop Shark
Joined: Mar 2004
Posts: 3,702
Hughesville, MD
Looks like a fresh air filter for a Hydrovac booster to me. In later years they put then inside the cab on the firewall or behind the seat on the floor.

Mike B smile

Re: 1954 GMC 350 Hydra-Matic Truck w/Hydraulic rear hoist [Re: jorb] #1309284
Thu May 02 2019 06:59 PM
Thu May 02 2019 06:59 PM
J
jorb  Offline OP
Shop Shark
Joined: Mar 2011
Posts: 1,213
Wis
"Looks like a fresh air filter for a Hydrovac booster"

Could be ?

Re: 1954 GMC 350 Hydra-Matic Truck w/Hydraulic rear hoist [Re: jorb] #1309290
Thu May 02 2019 08:27 PM
Thu May 02 2019 08:27 PM
2
2ManyTrucks  Offline
Shop Shark
Joined: Aug 2018
Posts: 187
california
It is the fresh air filter for the Hydrovac,
that is a factory location before it got moved to inside the cab
I worked on this exact unit in a different truck and removed these parts from wrecks at the salvage yard for some of my trucks.
I have some documentation about the air lines and clamps needed to install it in that location. But I don’t know where it is off hand.
-s


1430s, 1420, 9430
-2MT
Re: 1954 GMC 350 Hydra-Matic Truck w/Hydraulic rear hoist [Re: 2ManyTrucks] #1309402
Fri May 03 2019 04:06 PM
Fri May 03 2019 04:06 PM
J
jorb  Offline OP
Shop Shark
Joined: Mar 2011
Posts: 1,213
Wis
Thanks for the clarification.
Now I'll know what it is, if I see another one in the future.

Must be pretty hard to find filters?


Moderated by  John Milliman, Tiny 

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