BUSY BOLTERS Are you one?  The Shop Area
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Jul 21st, 2025 | | | | Joined: Oct 2012 Posts: 55 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2012 Posts: 55 | hey guys,
this might be a rediculous question, but on the head of my 1958 235, when looking from the front of the engine if you look at the upper right side of the head there is a hole, on top of the head, outside of the valve cover. Its fairly large, about 3/4" or so. WHAT GOES HERE?! i've been looking at pictures at it seems like its a sensor of some sort. I can't find anything in my manual, nothing online, and i cant remember wtf i took out of there! I probably left it in and the machine shop took it out. please let me know what it is.
| | | | | Joined: Nov 2005 Posts: 1,501 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 1,501 | Temperature sensor, if we are talking about the same place.
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| | | | | Joined: Mar 2012 Posts: 211 'Bolter | | 'Bolter Joined: Mar 2012 Posts: 211 | Maybe the Machine shop will know?. My temp sender is on rear drivers corner. | | | | | Joined: Aug 2011 Posts: 835 Shop Shark | | Shop Shark Joined: Aug 2011 Posts: 835 | In the link below is a picture of a 235 head from a chevy shop manual. The hole between head bolts 7 and 13 is where the temperature sensor goes. I am guessing this is what you are referring to. It is just outside of the valve cover. 235 head Kurt | | | | | Joined: Oct 2006 Posts: 9 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9 |
Buy,Sale,Trade inline Chevy/GMC engines and parts. International shipper, custom crate builder, 74% freight discount 48 state. James~503-740-6783 http://www.JJinlines.com | | | | | Joined: Aug 2005 Posts: 6,383 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,383 | hey guys,
this might be a rediculous question, but on the head of my 1958 235, when looking from the front of the engine if you look at the upper right side of the head there is a hole, on top of the head, outside of the valve cover. Its fairly large, about 3/4" or so. WHAT GOES HERE?! i've been looking at pictures at it seems like its a sensor of some sort. I can't find anything in my manual, nothing online, and i cant remember wtf i took out of there! I probably left it in and the machine shop took it out. please let me know what it is.
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| | | | | Joined: Oct 2012 Posts: 55 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2012 Posts: 55 | perfect! thanks you guys, i have no idea where mine is so i guess i have to order a new one. | | | | | Joined: Aug 2011 Posts: 835 Shop Shark | | Shop Shark Joined: Aug 2011 Posts: 835 | Are you sure the sensor is not just dangling out of the firewall still attached to the tube? If it is the typical gas operated gauge, (not electric) it can't be detached from the tube which is also part of the gauge. If the sensor has been detached/broken the whole thing is toast and you will need a new gauge.
Kurt | | | | | Joined: Aug 2005 Posts: 6,383 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,383 | If you have the gauge but the tube has been cut there are outfits advertising in Hemmings that can rebuild it.
Last edited by Tiny; 12/09/2012 10:01 AM.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Oct 2012 Posts: 55 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2012 Posts: 55 | really? i looked on my firewall and theres just a wire with a slip connector, i recall just unplugging it from the sensor. The machine shop must have pulled the sensor out of the head. | | | | | Joined: Oct 2012 Posts: 55 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2012 Posts: 55 | it looks to me that if i just got a new sensor in the head, the wire would plug right back on the sensor without a problem. or am i missing something? | | | | | Joined: Jan 2001 Posts: 5,320 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,320 | Starting in 1956 Chevrolet went to electric temp gauges.
Just buy a sender/sensor and hook up the wire.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Dec 2008 Posts: 893 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 893 | I'm quessing he has a electric temp sensor. I think second series 55 truck were the last to use the bulb set up. I think this is what he's looking for. http://www.americanclassic.com/images/SP815.jpg
Last edited by 55 SHAKER; 12/09/2012 1:21 PM.
Brian
1955.2 3100 Truck
The older I get the more dangerous I am!!!!! | | | | | Joined: Oct 2012 Posts: 55 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2012 Posts: 55 | got the temp sensor at my local parts shop, it was about $22, not cheap. | | |
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