Question about 2010 Chevrolet Aveo

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Where is the fan censor located

My resevoir is overflowing because the fan is not keeping the water cool my engine light is not on

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  • Chevrolet Master
  • 1,209 Answers

I would start by checking for voltage. Make sure you do not have a blown fuse or bad relay. But if it is your fan temperature switch it should be either in the head or the intake manifold. You should have 2 temperature switches, one for the light or gauge and one for the computer and fans. The one for the light or gauge will only have 1 wire going to it, and the one you are after has more than one.

Posted on Apr 24, 2013

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Posted on Jan 02, 2017

clifford224
  • 1975 Answers

SOURCE: 98 monte claro overheats

You checked the relays but did you check all fuses that deal with those relays/fans ? Below are pictures of the fuse box locations and directly below each picture is the fuse layout for that fuse box. I have marked the fuses that you need to check. Alot of people don't check the "PCM BAT" fuse because it doesn't sound as if it deals with the fans but it does. Also the vehicles computer (ECM) have a big part in the fans working as well. If the fuses are good you are going to need to check some wiring. If the relays have numbers on them, you should have power at all times to the number 86 "plugs" in to the fuse panel. That's as far as I can take you at this point. If you need further testing you can reply/comment here or feel free to email me directly at csautomotivecars@att.net with your information and I will be happy to email you some further tests but you will need to have a digital volt/ohm meter for the next set of tests in order to diagnose the problem. Hope it's just one of those fises though. I hope this helps.....


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Posted on Sep 23, 2012

  • 409 Answers

SOURCE: Cooling Fan won't come on, coolant flows into overflow tank

there is a switch in the engine intake or cylinder head that controls the cooling fans. The switch is the one with only 1 green wire hooked to it. Turn the key to run, with the engine stopped pull this wire off and touch it to a ground( cylinder head, engine block) and the fan should start, if not look at the fuse, if it does you need to replace the switch.

Posted on Mar 14, 2010

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1 Answer

It has a smoking radiator and it hesitates when on highways and a coolant leak


You have a vapour lock. The coolant isn't flowing. The remaining water is not cooling your engine evenly so you could crack your engine block. The water that isn't circulating turns to steam. The water pump could need replacing if the impeller failed. You may need a new thermostat. Get someone knowledgeable enough to fill your radiator properly and then keep the overflow resevoir filled to half. Check that bottle at least every week.

Nov 28, 2013 | 2002 Chevrolet Impala

Tip

How to keep your car below boiling poimt. ALL CARS!!!


most times in the heat your cars cooling system can over load, to stop overheating, always check your vehicles radiator water never the overflow resevoir.

always make sure your top radiator hose is hot, when running and your thermo fans come on automatically when on average heat temp. (half way).

make sure you cannot hear any noises ( clunking, grinding etc) from the waterpump, and always make sure you dont see water leaking from the vehicle ( except when air con is on).

if you do spring a leak always get it repaired ASAP as delay may further damge your cooling system, eg, head gasket and or head, effects may be warped, bent or cracked cylinder head.

always check your radiator and top up if needed at least ONCE A WEEK to avoid damage. and keep your overflow resevoir kept on the correct level.

cooling system failure can produce a big effect on your engines running capability and also your wallet!!!!!

keep your car cool in the heat!!

and also note, coolant or anti freeze does not keep your car cool, it is a corrosion inhibitor and only prevents corrosion and muck in and around your cooling system, your thermo fans keep your car cool!!!!

on Dec 04, 2009 | Acura CL Cars & Trucks

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Ok ..continuing to have a overheating prob. w/a 2005 Lincoln LSV8...refilled the coolant tank (used mostly water) started her up and let it idle for 15-20 min. it did lose coolant from some where under the...


First there is but one water pump, next did you bleed the air out of the cooling system as directed in the factory manual? If you did then the engine may have a leaking head gasket. Water pump picture below. You may also have a leak in the recovery tank, but that would not cause the overheating unless you let it run dray. This engine is very easy to damage if overheated, think you should let an expert look at this problem.
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Engine overheating i have replaced the radiator has plenty of water


replace thermostat.then bleed coolant system, this is how you do it.fill the cooling coolant system with 50 / 50 dexcool and water to raise boiling point,straight water will evaporate boil away cause engine to overheat catch fire thats why you need 50 / 50 mixture antifreeze and water.to bleed coolant system first fill coolant system until coolant stay at the full cold mark on the the coolant overflow jug,then you start engine allow it to idle,place the heater and ac control in any ac setting except max and the temperature control to the highest setting,run engine until lower hose to water pump is hot. with the engine hot run the engine speed up to 3000 rpm and allow it return to idle, repeat this 5 times. slowly open the bleed valve on the thermostat housing or look for bleed valve at the water pump heater hose.open bleed valve for 15 seconds to expel any trapped air.then top off the coolant as necessary,and when top radiator hose hot thermostat open up.keep adding cooling to overflow until coolant level stop at full cold mark dont over fill coolant.if engine seem like overheating while looking at cooling gauge turn off engine wait a while until cool off add more coolant until coolant level stay stable and dont drop any.when open radiator overflow cap use large rag over the radiator cap to keep from getting scald open radiator cap a little at a time but dont open radiator cap until engine cool down first.replace the radiator overflow cap, thermostat,and engine coolant temperature sensor and check the cooling fans fuses and relays see what happens.

Aug 18, 2012 | 1998 Oldsmobile Intrigue

1 Answer

2001 eldorado where is the water temp sensor? I put in new thermostat, water pump is good, I had rad. reverse flushed, also the block, new rad. cap. it is losing a lot of water thru the resevoir overflow...


losing a lot of water thru the resevoir overflow tube the only thing I havent done is this sensor. The sensor wouldn't have anything to do with it . Cooling fans like Jeremy mentions or a blown head gasket . A weak radiator cap would also do it ,but you replaced that . your best bet ,take it to a qualified repair shop .

Jul 22, 2017 | Cars & Trucks

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Hello my 1994 camry toyota has a problem holding the water. We replaced the thermostat,fan switch,radiator cap, and it keeps comsuming the water. What do you think the problem might be? Javier


Javier, have you checked the coolant overflow tank for holes, cracks, or loose hose? When the engine in your car heats up, the coolant expands. The coolant overflow tank (located near the radiator) takes up any coolant that is forced out of the radiator. If the tank is damaged or not connected to the radiator correctly, the coolant will not siphon back into the cooling system when the engine cools off.

Dec 07, 2010 | 1994 Toyota Camry

2 Answers

Where is the thermostat sensor


Both the 4.0L and 4.7L engines use 195� thermostats for all model years from 1999-2004. When replacing a thermostat it is very important to install one with the same temperature rating (the only exception might be with certain performance modifications or chips that recommend or require a different temperature thermostat).

4.0L engine - Draining the cooling system WARNING: DO NOT REMOVE THE CYLINDER BLOCK DRAIN PLUGS OR LOOSEN THE RADIATOR DRAINCOCK WITH SYSTEM HOT AND UNDER PRESSURE. SERIOUS BURNS FROM COOLANT CAN OCCUR.

1. DO NOT remove radiator cap first. With engine cold, locate radiator draincock on the right lower side of radiator facing to rear of vehicle.
2. Attach one end of a hose to the draincock. Put the other end into a clean container. Open draincock and drain coolant from radiator. This will empty the coolant reserve/overflow tank. The coolant does not have to be removed from the tank unless the system is being refilled with a fresh mixture. When tank is empty, remove radiator cap and continue draining cooling system. To drain the engine block of coolant, remove the cylinder block drain plug, located on the side of cylinder block below the exhaust manifold.

4.0L engine - refilling the cooling system Coolant recommendations and cautions: The recommended mixture is 50/50 ethylene-glycol and low mineral content water. Never use pure antifreeze. Only Mopar Antifreeze Coolant, 5 Year/100,000 Mile Formula (glycol base coolant with corrosion inhibitors called HOAT) is recommended. This coolant offers the best engine cooling without corrosion when mixed with 50% distilled water. Antifreeze mixture must always be at least 44%, all climates year round. Maximum protection (-90d) is provided with a 68% mixture protection. If the percentage is lower than 44 percent, engine parts may be eroded by cavitation, and cooling system components may be severely damaged by corrosion. CAUTION: Mopar Antifreeze/Coolant, 5 Year/100,000 Mile Formula (MS-9769) may not be mixed with any other type of antifreeze. Mixing of coolants other than specified (non-HOAT or other HOAT), may result in engine damage that may not be covered under the new vehicle warranty, and decreased corrosion protection.

CAUTION: Do not use coolant additives that are claimed to improve engine cooling. 4.0L coolant capacity: 1999-2000: 13.0 qts. (including 2.3 qts. for resevoir) 2001-2004: 15.0 qts. (including 1 qt. for resevoir)

1. Tighten the radiator draincock and the cylinder block drain plug(s) (if removed).
2. Fill system using a 50/50 mixture of ethyleneglycol antifreeze and low mineral content water. Fill radiator to top and install radiator cap. Add sufficient coolant to the reserve/overflow tank to raise level to FULL mark.
3. With heater control unit in the HEAT position, operate engine with radiator cap in place.
4. After engine has reached normal operating temperature, shut engine off and allow it to cool. When engine is cooling down, coolant will be drawn into the radiator from the reserve/overflow tank.
5. Add coolant to reserve/overflow tank as necessary. Only add coolant to the reserve/overflow tank when the engine is cold. Coolant level in a warm engine will be higher due to thermal expansion. To purge the cooling system of all air, this heat up/cool down cycle (adding coolant to cold engine) must be performed three times. Add necessary coolant to raise tank level to the FULL mark after each cool down period.

For more details, you can refer to the Jeep WJ Service Manual Section-07-Cooling-System-Ewj7

Hope helped.

Nov 02, 2009 | 1999 Jeep Grand Cherokee

4 Answers

Why would the coolant be boiling in the overflow resevoir?


the engine is overheating or u have a defective radiator cap

Oct 17, 2009 | 2001 Chrysler Sebring

3 Answers

Coolant boiled and no check engine light!


You would need to check out the different cooling components. The radiator cap, thermostat, fan for radiator (car should run at 195 degrees), is anything blocking the face of the radiator, are any of the cooling hoses kinked or collapsed, is the water pump circulating the coolant, is thw belt still on the water pump?

May 23, 2009 | 2006 Ford Taurus

1 Answer

Coolant censor bad


Yes, there is another one. The one you replaced is the coolant level sensor. The ECT (ENGINE COOLANT TEMP) sensor is located near the thermostat housing. It has a 2 pin plug on it.

Aug 17, 2008 | 1996 Jeep Grand Cherokee

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