Question about 1994 Chevrolet Suburban

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Temperature gauge not working after water pump and thermostat rep

After water pump and thermostat replaced gauge stopped working where can i locate on engine

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Most sender to gauge are on the thero housing, if the therostat housing has one or two senders on it, one it temp and one controls fan, see if wires on sensors are hooked up, thanks robert b.

Posted on Jun 19, 2009


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Changed out water pump and thermostat and vehicle runs high temperature what could be issue?

Reasons the Temperature Gauge Reads High

If the temperature gauge reads high, it could mean your engine is overheating. Another reason your reading might be high is you could be losing coolant. A small leak or evaporation may cause your radiator to slowly lose coolant. A third reason your temperature gauge reads high could be because the thermostat is broken. If this is the case, you may need a coolant temperature switch replacement. The last reason the temperature gauge could read high is because of a water pump, or water pump gasket failure. If the water pump is malfunctioning, it may need to be replaced by a professional.

What to Do If Your Temperature Gauge is High

If your temperature gauge is reading high, it means your car is overheating. This is a very serious matter and you should never drive an overheating car. If your car starts to overheat, shut off the air conditioner and open the windows immediately. If this does not reduce the overheating, turn on the heater as high as it can go. If this still doesn't work, pull over on the side of the road, turn off the engine, open the hood carefully, and wait until the vehicle cools down. Never open the radiator cap while the engine is hot - coolant can spray and burn you. Once the vehicle has cooled, take the car to a mechanic right away so they can diagnose the problem. Cars are especially susceptible to overheating in hot climates, like what's common in cities like Los Angeles, Phoenix, Las Vegas, or Atlanta.
The temperature gauge is an important tool in your vehicle that shows the temperature of your engine's coolant. Contact YourMechanic and have your car inspected for overheating if it reads too high, as this can cause serious problems...

Reasons the Temperature Gauge Reads Cold

On most vehicles, the temperature gauge reads cold until the engine has run for a few minutes. If the temperature gauge still reads cold after the engine has warmed up, the gauge may simply be broken. Another reason the temperature gauge could read cold is if the thermostat in the vehicle stays open. With the thermostat stuck open, the engine can be overcooled, causing a low temperature reading. If this is the case, the thermostat may need to be replaced.

Oct 28, 2017 | Cars & Trucks

2 Answers

My truck keeps over heating after a new radiator and new water pump and new fan clutch and new thermostat and there isn't any water in the oil

Air lock find out where the bleed nipple is and undo carefully if engine hot and wait for the water to stop spitting and hissing ( like a kettle) Top up with water/antifreeze careful to pour slowly to avoid air bubbles accumulating.

Feb 15, 2015 | Cars & Trucks

1 Answer

Runs hot

Some times when the cars overheat after driving it for a while could be because the water pump blades are in bad shape, there's a leak that has not been detected, the thermostat is not opening when it should, etc. Normally the thermostat is located near the water pump. The water pump is normally located on the front of the engine (which is where the drive belts are). Some cars have the engine placed sideways in relation with the front of the car, so don't confuse the front of the car with the front of the engine. If I'm not mistaken, your 1996 Dodge Intrepid has an engine that is placed facing towards the front of the car. If that's the case, look for the hoses that come from the radiator and they should lead you to the water pump (normally the intake of water) and to the thermostat (normally the return of water to the radiator). If I recall correctly, the thermostat compartment should be right in front of you when you open the hood, right in the middle close to the radiator, but as I said above, if is not there, just follow the hoses from the radiator and you'll find it. The thermostat's work is to stop the water from going back to the radiator until it has reached a particular temperature, at which point it should open to let the hotter water out of the engine into the radiator to cool down a bit, and when the "cooler" water from the radiator makes it into the engine the temperature of the water will make the thermostat close again. Keep in mind, every time I say water I mean water mixed with coolant/antifreeze. You're NEVER suppose to just put water alone in your engine as a regular practice. Only in an emergency situation where you don't have any other choice would you do that, in order to make it to the nearest place where you can replace it with the proper water/coolant/antifreeze mixture. Thermostats are sold by temperature. Some times you can find thermostats that have lower or higher temperatures stamped on them or on the box. The use of those depends on the climate you live in (cold north states, hot south states, caribbean, etc.) Ask your mechanic or auto parts expert to see which one is the proper one for your car in the state you live in. In some cars you can check the water pump without having to take it out just by removing the thermostat and putting everything back together (except the thermostat, of course), then taking the radiator cap off. Turn the car on to see if the fluids in the radiator are circulating properly. If not, then you'll have to take the pump off to investigate deeper. Don't forget to replace the thermostat in it's proper place, since most cars use sensors that work upon the temperature of the engine and its water to do different things. So it's not a good practice to eliminate a thermostat on a car. Also, verify that the radiator cap is in good working order. Some radiator caps work just like the thermostat, when they reach a particular high temperature they open to liberate excessive pressure to prevent the radiator to explode or crack, etc. Thermostats and radiator caps are not that expensive, so if you are going to do this tests, you might as well just replace them with new ones anyways. That way you'll know you will not have problems with those in the near future. Hope this helps you! Best wishes!

Jun 02, 2014 | 1996 Dodge Intrepid

1 Answer

Temperature gauge doesnt work

Are you getting heat?If so then the temp. sensor is faulty.It's a cheap fix for what you have already done

Jan 18, 2014 | 1994 Mercury Tracer

1 Answer

Gauges on dash not working

check for the alternator failure. probably not charging.

Sep 29, 2012 | Cars & Trucks

1 Answer

2005 Buick rendezvous heater blowing cold and temperature gauge not working properly?

Faulty coolant temperature sensor and a faulty heater control valve.

Jan 14, 2012 | 2005 Buick Rendezvous

1 Answer

Need to replace thermostat but cannot locate it. need diagram or description of location.



Jun 13, 2010 | Ford Laser Cars & Trucks

3 Answers

Temperature gauge is high but radiatior fan is working

how is the radiator and the thermostat?  Do the cooling fans come on?  Are you totally filling the cooling system and bleeding it?

Mar 25, 2009 | 1998 Toyota Corolla

2 Answers


It actually sounds to me like you're low on coolant. My Jeep leaks coolant and whenever it gets low the temp gauge will go real high and then drop, and the heater doesn't work well. This is because the cooling system of your car is supposed to be a closed system, full of coolant and no air. When coolant leaks out, the space it used to occupy is now occupied by air, which does not transfer heat well. When 'air' is passing through your cooling system, no heat can be transferred from your engine to the heater and radiator, resulting in a hot engine and no heat at the heater. Then when a pocket of water passes through the system, the temperature gauge quickly falls as the water absorbs the heat from the engine. The hot water that cools the engine is where the heater gets it's heat from as well, so when water passes through the heater core, the heater works, but when it's filled with air, it doesn't.

Hot water runs through the heater core regardless of whether or not your thermostat is open or closed. That's why your heater works in the winter even before the engine is at normal operating temperature. The fact that the heater stops working is a good sign that the thermostat is probably not the culprit.

As for the water pump. If the water pump was bad, your temp gauge would go into the red and stay there. Water pumps generally don't work intermittently. Either it's good and ot works, or it's bad and it doesn't.

However, if you are in fact low on water, as I suspect, it means you probably have a leak somewhere. The leak could be in the water pump housing gasket, so depending on where you take it for repairs, they may try to sell you a new water pump anyhow. So just beware of that.

Feb 12, 2009 | 2004 Chevrolet Blazer

1 Answer

Running Hot

Sounds like the water pump.Check if you see coolant or coolant residue behind the water pump pulley.

Dec 06, 2008 | 1995 Subaru Legacy

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