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Grilles for 1934, 35, and 36 GM trucks


To 1934-35 and 1936 GM Truck Customers

A limited number of new grilles have just arrived! They are totally SHOW QUALITY, mirrow-polished, stainless steel. Includes outer reinforcing band, vertical center bars, and special customer fasteners to attach to your outer shell.

LOOK HERE
and see

Limited Quantity!

Old Chevy Trucks.com

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#607316 - Tue Jan 05 2010 07:20 AM radiator overflow problem
josie Offline
New Guy
Registered: Thu Sep 17 2009 05:24 AM
Posts: 4
Loc: ks
hey guys i havent found my answer on the topic forum so my problem is i have a 49 pickup which i have had for years all original except motor which is a 235 62 chevy motor,it has always seemed to have antifreeze loss thru the radiator overflow tube,i have changed all hoses new radiator,new water pump,several thermostats,new heater hoses,fresh antifreeze and it will still lose water whether summer or winter especially just sitting there idling and i have lowered the level in the radiator it still wants to come out the overflow tube i have given up until i met this web site can you give me a clue josie
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#607319 - Tue Jan 05 2010 07:36 AM Re: radiator overflow problem [Re: josie]
Pete52 Offline
Shop Shark
Registered: Tue Jan 06 2009 10:40 AM
Posts: 1686
Loc: melrose pk. il.
How's the temp? If it's not overheating could be the rad cap needs to be replaced might not be seating against the rad inside lip where the rubber seals against the rad what pound rad cap are you running?Check to make sure your cap is sealing against the rad.lip inside the rad.


Pete


Edited by Pete52 (Tue Jan 05 2010 07:39 AM)
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1952 Chevy 3100
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#607335 - Tue Jan 05 2010 08:50 AM Re: radiator overflow problem [Re: Pete52]
Denny Graham Offline
Master Gabster
Registered: Mon Oct 02 2006 12:00 PM
Posts: 9886
Loc: Sandwich, IL
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#607344 - Tue Jan 05 2010 09:15 AM Re: radiator overflow problem [Re: Denny Graham]
dale937 Offline
Shop Shark
Registered: Wed Dec 31 2003 12:00 PM
Posts: 4896
Loc: NE Ohio
The simple fix is to install an overflow jug.It is natural for your radiator to overflow as the coolant heats up.
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#607345 - Tue Jan 05 2010 09:16 AM Re: radiator overflow problem [Re: Denny Graham]
Virginiafiretruck Offline
Shop Shark
Registered: Sat Jan 22 2005 12:00 PM
Posts: 1924
Loc: Virginia Beach
I agree with Denny. I run a zero degree cap and it doesn't overflow a single drip.
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#607421 - Tue Jan 05 2010 02:41 PM Re: radiator overflow problem [Re: Virginiafiretruck]
PapaJ Offline
Shop Shark
Registered: Fri Feb 20 2009 05:18 PM
Posts: 439
Loc: Security, CO
I would make sure and check when the motor is idling if in fact that it is leaking out the overflow tube and not the water pump or hoses.You can do a pressure test to find out.
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1953 Chevy Two-Ton
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Be careful calling yourself a expert,because an "EX" is a hasbeen and a"SPERT" is a drip under pressure.

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#607676 - Wed Jan 06 2010 12:57 PM Re: radiator overflow problem [Re: PapaJ]
truckernix Offline
Registered: Sun Mar 24 2002 12:00 PM
Posts: 8283
Loc: Bracebridge Ontario Canada
I would check the temperature of the upper rad hose when the gauge says it is warm. If the rad hose is cool, you have an air lock behind the thermostat and the coolant in the block will form voids and expell coolant out the overflow. This situation will not alwayys cure itself and in that case the air needs to be removed.
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1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!
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#607759 - Wed Jan 06 2010 05:41 PM Re: radiator overflow problem [Re: truckernix]
Spareparts2 Offline
Shop Shark
Registered: Thu Jul 20 2006 12:00 PM
Posts: 227
Loc: Lansing, Ks
Check the cap if it has a "R" in the part # it is the wrong cap it is for a system with a coolant jug. It will expell coolant into the jug when when it gets up to temp and suck the coolant back into the radiator when it cools off. The coolant level should be about 2 knuckles down on your index finger(old country boy measurement).
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