Question about 1994 Toyota Camry

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Car will overheat sometimes fan is coming on , water is flowing through engien fine and no water is coming out of overflow and thermostat is fine, fuses are all fine and i have made trips to work( 30 min drive) for a week sinc last overheating with no over heating then on weekend it overheats doing a 2min trip checked since overheating again and car is fine everything working and no leaks

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Hi,

Judging from your symptoms there almost has to be either air in your system or the coolant level is low. You might want to first try driving the car upa very steep hill or simply jack it up and start it and let it run until the temp is in the normal range. If this does not solve your problem I would recommend draining and refilling your cooling system using the following procedure:

Add engine coolant into the radiator until it overflows. Tighten the radiator drain plug.
Capacity: 6.2 liters (6.6 US qts, 5.4 Imp. qts)

HINT:

* Use of improper coolants may damage the engine cooling system.
* Use "Toyota Super Long Life Coolant" or similar high quality ethylene glycol based nonsilicate, nonamine, nonnitrite, and nonborate coolant with long-life hybrid organic acid technology.
* New Toyota vehicles are filled with Toyota Super Long Life Coolant (color is pink, premixed ethylene glycol concentration is approximately 50% and freezing temperature is -35°C (-31°F)). When replacing the coolant, Toyota Super Long Life Coolant is recommended. Follow the manufacturers dilution recommendations on the label.

DO NOT FURTHER DILUTE PRE-MIXED MANUFACTURER APPROVED ETHYLENE GLYCOL BASED COOLANT IF USED.

* Observe the coolant level inside the radiator by pressing the inlet and outlet radiator hoses several times by hand. If the coolant level goes down, add the coolant.

NOTICE: Do not use plain water alone.

(c) Pour coolant into the radiator reservoir tank until the coolant reaches the full line. the full line.
(d) Install the radiator cap.
(e) Start the engine and run the engine for 10 seconds.
(f) Remove the radiator cap after 10 seconds. Pour coolant if the coolant level is lower.
(g) Repeat (d) to (f) until the coolant level remains the same from steps (d) to (f).

HINT: Perform the procedures above before the engine warms up. A warmed up engine causes the thermostat valve to open, and the air inside of the engine circulates between the radiator and the engine.

(h) Install the radiator cap.
(i) Warm up the engine until the thermostat valve begins to open.

HINT: As the engine warms up, press the radiator inlet and outlet hose several times by hand.

(j) Stop the engine and wait until the coolant cools down to room temperature. If the coolant is below the full line, add coolant.
(k) Install the radiator cap and check the radiator reservoir tank coolant level. If it is below the full line, add coolant.

I am guessing that there is still more air in the system. When air gets trapped near the thermostat it will cause the exact issues that you are dealing with.
Be sure to check that the fan is coming on when it is supposed to and check that all air dams and diverters are in place and in good condition.
Also, are you sure that there is not a head gasket leak, that can cause similar issues.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Sep 14, 2010

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1999 Cadillac Eldorado ,overheating changed thermostat , overflow cap ,no white smoke coming from exhaust.hot blowing from heater


Are the cooling fans coming on ? Go under the hood in the engine compartment , with the vehicle running have some one turn on the A/C , do you see and or hear the cooling fans come on ? Could be the coolant temperature gauge is bad ! How many miles on the vehicle ? Ever have water pump replaced ?

1

Check for a loss of system pressure.
Is there a loss of system pressure?
--
Go to Step 2 yes
Go to Step 3 no

2

Inspect and repair any faulty hose connections.
Does the engine still overheat?
--
Go to Step 3 yes
System OK

3

Check for low coolant protection (-37?°C/-34?°F).
Is there low coolant protection (-37?°C/-34?°F)?
--
Go to Step 4 yes
Go to Step 5 no

4

Test solution. Replace the coolant if necessary.
Does the engine still overheat?
--
Go to Step 5 yes
System OK

5

Check the water pump belt for low tension.
Is the water pump belt tension too low?
--
Go to Step 6 yes
Go to Step 7 no

6

Replace the water pump belt tensioner.
Does the engine still overheat?
--
Go to Step 7 yes
System OK

7

Check for an inoperative thermostat bypass.
Is the thermostat bypass inoperative?
--
Go to Step 8 yes
Go to Step 9 no

8

Replace the bypass.
Does the engine still overheat?
--
Go to Step 9 yes
System OK

9

Check the water pump.
Is the water pump inoperative?
--
Go to Step 10 yes
Go to Step 11 no

10

Replace the water pump.
Does the engine still overheat?
--
Go to Step 11 yes
System OK

11

Check the radiator fins for obstruction.
Are the radiator fins obstructed?
--
Go to Step 12 yes
Go to Step 13 no

12

Inspect and clean the radiator fans.
Does the engine still overheat?
--
Go to Step 13 yes
System OK

13

Check the cooling system passage for obstruction.
Is the cooling system passage blocked?
--
Go to Step 14 yes
Go to Step 15 no

14

Inspect and flush the system. Reroute or replace the hose if necessary.
Does the engine still overheat?
--
Go to Step 15 yes
System OK

15

Check the water pump belt for damage.
Is the water pump belt damaged?
--
Go to Step 16 yes
Go to Step 17 no

16

Replace the water pump belt.
Does the engine still overheat?
--
Go to step 17 yes
System OK

17

Check the cooling fans.
Are the cooling fans inoperative?
--
Go to Step 18 yes
Go to Step 19 no

18

  1. Inspect the electrical connector. Replace if necessary.
  2. Does the engine still overheat?
--
Go to Step 19 yes
System OK

19

Check the throttle body circuit flow.
Is the throttle body circuit flow restricted?
--
Go to Step 20
Go to Step 21

20

  1. Inspect the orifice and associated hose. Replace if necessary.
  2. Does the engine still overheat?
--
Go to Step 21
System OK

21

Check for a stuck thermostat.
Is the thermostat stuck in the closed position?
--
Go to Step 22
--

22

Replace the thermostat.
Does the engine still overheat?
--
--
System OK

Sep 16, 2015 | 1999 Cadillac Eldorado

2 Answers

Losing water causing overheating


My first question is make model and year.
Second, are you saying the engine is boiling over into the overflow tank and onto the ground ? Is the tank about half full when the engine is cold ?
Have you run the engine with the thermostat removed to test ?
Usually when you can hear the coolant moving around, you have air in the system and it is not full of liquid coolant.

Feb 04, 2013 | Cars & Trucks

1 Answer

97 Cavalier overheats when idling..fan not working..replaced thermostat and relay sensor..Fan works when straight wired.


You may have a bad relay. Have you tested it to see if it is working or have you changed it out with a new one?

Dec 01, 2012 | 1997 Chevrolet Cavalier

2 Answers

2002 ford windstar sel overheating


first check coolant level in radiator coolant level sound low.if coolant overflow jug empty.coolant sysyem low, when add coolant to coolant overflow jug coolant level should stay at full cold mark.if coolant level okay,engine overheat while sitting or moving in slow traffic either coolant fan relay or fuse could be bad.or engine coolant temperature sensor could be bad. coolant sensor turn on cooling fan at certain temperature.hot wire check to make sure cooling fan motor not bad or short in wires.if all is good have pcm check it controls fan relay to through the coolant temperature sensor signal when coolant get hot.

Nov 04, 2012 | 2002 Ford Windstar

2 Answers

Why is my car overheating?


You might have a clogged radiator. If so replace the radiator. I would first replace the thermostat as it might be bad. When they go bad they usually stay stuck in the closed position. When closed there is no flow of water to or from the radiator. You can check the thermostat by removing it, it is located on your upper radiator hose, the return hose. To check it boil a pan of water and and using a pair of pliers hold the thermostat in the hot water. If the thermostat is bad it will not open. Hope this helps.

Aug 08, 2012 | 2006 BMW 3 Series

2 Answers

1988 b2200 is overheating--we've changed out the lower radiator hose, thermostat, and the upper hose is fine. Why is it overheating? Radiator, heat pump, or water pump?


!st check and make sure the water is flowing in the radiator, then check
the timeing, Mazda will run hot if the timeing is rong.

Jul 19, 2012 | 1988 Mazda B2200

2 Answers

Car is running hot (temp gauge rises above normal)


Try the overflow tank cap. The seal will go bad and not hold the psi causing the water to flow out this is something you will not always see which will cause the engine to overheat or temp gauge to rise. Also the thermostat could be sticking and cause the temp gauge to rise. Are the fans turning on when the temp gets high? If so then I would resort to the above first. If the fans are not coming on, the relay or fan/s could be the problem.

Jun 29, 2010 | 1996 Mercedes-Benz C-Class

2 Answers

My car overheat very high. my reserve tank will over flow and will boil up, and then runs out of coolant. why?


When the engine overheats, steam moves to the reserve tank to relieve pressure in the system, and can seem like it is overflowing.

Civic cooling systems always require an auxilliary fan or blower. Have this checked for serviceability. If the aux.fan is working properly, this points to other problems with your cooling system, which may include faulty hoses, water pump failure, and/or water temp. sensor failure.

Hope this helps.

Jun 29, 2009 | Honda Civic Cars & Trucks

2 Answers

Overheating


did you bleed air out coolant. if you did check engine oil when engine cool .could have a blown head gasket. if it look like milk shake . head gasket leak . reason blow no heat check see heater blower motor working.if yes . heat control unit or heat door not open in dash vacuum line to heat door actutator could be leaking.

Mar 23, 2009 | 1999 Pontiac Grand Am GT

3 Answers

2004 Jeep wrangler 4.0 - 6cyl overheating


I had the same overheating problem in my jeep ! My problem was finaly found out to be the clutch in my fan its a different kind of clutch system it work as this. When your jeep gets warmer the tighter your fan clutch gets .While cool your fan moves slowly. now to test your clutch just warm up your jeep and rev it up a bit if your fan dose not pick up speed then it is sliping.What will come out of this is that you fan will the seez and run full all the time. if you jeep dose not overheat wile moving then it is not your thermo stat period.

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