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Old 09-02-2011, 01:47 AM
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temperator coolant gage, from garrell.770

temp gage suddenly stopped working on lq9 chevy silverado engine. parts suppliar says there are to sensors or sending unitsm one to controll send info to electric cooling fan and one to send info to temp gage. the cost of an ac delco unit made in mexico is 38.00 and that i need to check my units to see if they are deffective, for if the package is opened, NO return. because of a slight handicap i have difficulty standing on something and leaning over into the engine bay. looking with a flashlite i cannot see either sending unit. maybe they are under the engine covers. anyone that has dealt with this before and can advise, please do so. thanks as always, garrell.770 (hotrod truck)

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Old 09-03-2011, 06:42 PM
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Well first off garrell chances are you are going to have to have a buddy help you being its a truck and the engine bay is a lil higher. I would have to ask you if the fans are turning on after a few minutes of idleing? If they are then you can rule that sensor out. As far as location they should be on the intake manifold by or near the thermostat housing and are usually brass with wires coming out from them. It could be a faulty sensor but could be more obvious like a wire that is cut or being shorted. Also don't rule out the guage itself. You can always go the cheap route and get an aftermarket temp guage from the auto parts store like the sun pro which run like 15 bux and have everything you need to install. Just a thought. Good Luck
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Old 09-04-2011, 12:36 AM
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thanks to 1badlemans

thanks to the response to my temp. gage problem. i have become reaquainted with an old friend that builds and restores older cars, this guy is a stickler for detail and precisement. like me though, he has some physical handicaps, three back and one neck surgeries. he has a young protege that has been working with him for 13 years, but back to the story. we really could not tell if the sending unit was bad or not so i told him to go ahead and open and install the original ac delco, mexico built replacement. it did not work, it looks like the needle hand is broken. i am going to check the oweners manual to see if there is also a warning light and with new belts, hoses and the radiator flushed and new coolant everything should be okay. thanks again for the help, having to wait for others to help me with just about everything is a real bummer! garrell.770 (hotrod truck)
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