Question about 1995 Chevrolet Caprice

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Cooling fans not working on 1995 camaro z28

Engine overheats. Replaced Water pump, radiator, engine sensor, thermostat. Fans inoperable but work when connected directly to battery.

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  • Anonymous Mar 20, 2014

    fuel pump, alternator, battery, coils, cam sensor and cooling fans works on and off. Please help. Thanks

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You have a burnt fan relay...if it were my car i ould run a jumper to the fuse panel so that when you turn the key on the fan will also come on and run.its not hard to do and it will stop the car from overheating

Posted on Jan 24, 2009

  • bella0916 Sep 05, 2011

    it works but if the massflow sensor is pluged in it wont work if i unplug it the fans come on

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1 Answer

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

1 Answer

I bought a 95 Camaro z28 with a lt1 v8 and I just changed alot of sensors and the water pump, pcv, thermostat, gauge sensor ,all the cooling hoses ,spark plugs and wires ,new opti-connector,fans are...


Did you burp the air out of the cooling system? That needs to be done if you haven't - air will trap the thermostat and keep it from opening. Check my tips and tricks for how to do this.

Jul 15, 2011 | 1995 Chevrolet Camaro

1 Answer

I have a 1995 camaro z28 5.7liter v-8 and it keeps on running hot when i leave the a/c on and when the car is at an complete stop.someone told me i need a water pump i bought one but it is still running...


Check your cooling fans to make sure they are running when it's hot. If they are not running, you need to replace the coolant temperature sensor, which is mounted on the radiator and it tells your fans when to turn on based on the engine temperature.

May 25, 2011 | Chevrolet Camaro Cars & Trucks

2 Answers

1997 polo overheats even after removing thermostat


On a water cooled engine... the impeller on the water pump is no longer working correctly. It has probably come loose from the input shaft and is no longer pumping water. You can prove this on a warm engine by filling the radiator to the top and then accelerating / decelerating the engine... if you don't get a change in the water level the water pump is shot.

Kelly

Feb 21, 2010 | 2001 Volkswagen Golf

1 Answer

Radiator over heated


1) A malfunctioning engine is causing radiator to overheat. 2) Cooling system is not working right. Check from simple to complex: a) water level b) broken hose, or other component seeping water. c) water pump d) frozen thermostat in the closed position d) fans not kicking in.

Dec 09, 2009 | 1995 Honda Accord

3 Answers

1996 328IS, Over heating after 25 minutes of idling,


clogged with old rad chunks
no white smoke

Sep 05, 2009 | 1997 BMW 328

2 Answers

1995 Toyota Camry 4 cylinder runs hot


Hi,

Firstly, ensure you have the required 'mixture' of coolant/water (must have required coolant).

Second, I would recommend you re-test all the cooling system sensors again (make sure they're within specifications), in case a new one is faulty.

Third, ensure the new thermostat was of the correct temp setting (they all differ), so that it opens at the required time. Most cooling systems operate within 90 - 100degC.

Fourth, make sure the radiator (and associated hoses) aren't blocked.

If your temp gauge is reading higher than normal, but NOT in the danger zone...then this can be considered normal (especially if you've replaced with new components) and nothing to be concerned about.

However, if the temp gauge IS in the danger zone....then this suggests the coolant is not flowing through the cooling system properly.

If all above components test ok, then it's possible your water pump may not be pumping enough volume.

Cheers,

Aug 16, 2009 | 1995 Toyota Camry

1 Answer

Overheating


  1. There are many different reasons that can cause an engine overheat, but they all have in common three aspects. The three aspects which all engine overheat factors have in common are that they cause that the heating system can not get rid of heat, they cause a loss of coolant or they directly cause too much heat in the engine.
  2. One first problem which might be the cause of an engine overheat is a problem with the radiator cap and the pressure it holds. If the radiator cap does not hold pressure correctly then coolant could boil and therefore the engine would overheat. Another reason might be caused by thermostat failures; it is recommendable that you check it.
  3. The car engine might also overheat due to coolant leaks such as those from the radiator, the hoses, the water pump, the freeze plugs or any others. Also, problems in the water pump could be the cause and therefore you should check it and replace it in case it is needed.
  4. Some other reasons by which the car engine could overheat are problems in the exhaust system which you can discover by checking vacuum readings, pipes and converter. Besides, you should also make sure that the radiator hose has not collapsed and the ignition timing is working properly.
  5. You should also check the electric cooling fan by making sure that the fan motor, the relay and temperature are correct or otherwise it could cause the engine to overheat. Besides this, you should also check the radiator in case there are any debris in it as well as you should check its hose in case it has collapsed.
  6. It is also recommendable that you check the antifreeze concentration which should be 50/50 in order to be correct, otherwise it could cause the car engine to overheat. If you do not find why your engine does overheat, you should ask a mechanic or an expert for advice. You should not try to fix this if you do not have the proper tools and general car knowledge necessary for it.

May 01, 2009 | 1993 Chevrolet Camaro

1 Answer

Overheating prob in chevy camaro z28 97


Check for obstruction in front of radiator/condenser that would cause loss of airflow through the core.Sometimes these cores get clogged with bugs or debris and airflow is deminished. The reason for overheat with A/C on is that the condenser adds to the heat in front of the radiator and if there is not enough airflow then the engine also runs hot because radiator can not be cooled sufficiently.
hope this helps

Apr 20, 2009 | 1993 Chevrolet Camaro

1 Answer

4.6 lit cadillac overheats although I replaced the thermostat


did you try replacing the radiator cap and the temp sensor?

Mar 31, 2009 | 1997 Cadillac DeVille

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