Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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Joined: Jul 2014
Posts: 105
35truck Offline OP
Shade Tree Mechanic
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Shade Tree Mechanic
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Posts: 105
Does the capillary tube disconnect from the gauge on my 35 truck, or does the bulb, capillary tube and gauge have to come out all together? If so, any tips on how to do it? the tube goes through a multi purpose firewall grommet and I'm not sure the bulb will fit through this opening. Thanks


Hainscou
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ChatMaster - 25,000
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ChatMaster - 25,000
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It comes out as a unit.


Gene Schneider
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The less flexing of the tube the better as the tube hardens then breaks making the gauge inoperative.
Tony


1938 1/2 ton Hope to drive it before I retire
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Backyard Mechanic
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Backyard Mechanic
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There is a cutout at the firewall underneath the grommet that is shaped to allow the capillary tube nut to be removed.As Tony says avoid flexing the tube. At the bottom of the sensor bulb is soldered and since the bulb is made of brass it can corrode with time and the fluid leaks out.

Joined: Jul 2014
Posts: 105
35truck Offline OP
Shade Tree Mechanic
OP Offline
Shade Tree Mechanic
Joined: Jul 2014
Posts: 105
Got it. thanks everyone for the help and info!


Hainscou

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