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Old 10-21-2007, 02:22 PM
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Broke temp bulb

I replace the thermostat cap (old one broke and has the temp sensor bulb on it) in a SB, intending to use the sensor bulb on the drivers side on the engine but didn`t work. I try to change it and I broke it, leaving the core with nowhere to grip it.

Appreciate any trick to get it out, or where to locate a new bulb easily.

Thanks.

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Old 11-11-2007, 07:52 PM
russlaferrera
 
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Can you use an ez out?
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Old 11-11-2007, 08:44 PM
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BTDT only on a 200 Ford I6 cyl head.. big screw type easy out, and less than 2 mins, including the time finding the ez out tools
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Old 11-12-2007, 08:02 AM
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Sorry guys, but whats "ez out"? A counter rotation drill? Drilling the old bulb, can cause any damage?

What if I locate a new bulb on top (side) of radiator, where flow is coming from thermostat?

From Chile, appreciate your help, thanks.
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Old 11-12-2007, 05:54 PM
russlaferrera
 
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A EZ out is a round tapered piece of metal that looks like a tap, but has a counter clockwise serrations instead of treads. They come in many sizes 1mm-25mm or larger.

You drill a hole into the broken part to be unscrewed. Tap the EZ out in the part then turn counter clockwise to remove the part.

Most auto stores or hardware stores have them. Once you see one you will figure it out on how to use them.
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Old 11-13-2007, 09:55 AM
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Thank you Russ, got one of those.

But Im still thinking that the bullb has an inner body (filled with something) too weak for the ezout to properly engage. I think the outer body (brass) is stronger but too "bonded" to the 70s SB head.

Any prior treatment to get it loose? (heat, some solvent, ...?)

Thanks again
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Old 11-13-2007, 06:02 PM
russlaferrera
 
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I would try heat. The brass is sift so I would drill the switch out to remove the rubber bulb . Make sure the EZ out fits the drilled hole. Then heat the brass fitting red hot, then use the EZ out to remove the fitting. Because of the size on the fitting I would use as a minimum of Mapp gas. I don't think a propane torch will get hot enough.

BE CAREFUL, follow all safety procedures!
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Old 11-14-2007, 08:20 AM
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Thank you again Russ, Ill give a try, let you know.

So far I look on the other head for the hole for the bulb and this engine doesnt have one (my 69 307 camaro has it), pretty rare.
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