Question about 1998 Chevrolet Cavalier

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Engine overheating cooling fan dosent seem to be working.found and replaced blown 30a fuse, but it still didnt come on.

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  • Glenn Smith
    Glenn Smith Dec 07, 2008

    chevy truck over heating while running

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2 Answers

Cooling fan relay faulty..its in the same local as the 30A fuse..3rd from the firewall i think

Posted on Jul 06, 2008

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  • Master
  • 375 Answers

Did u check that the related fuse location spark?it could be your fan wire that lost connection with the power supply.

Posted on Jun 24, 2008

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2 Answers

Cooling fans are not coming on, what could be the problem?


Either the temp sensor is bad, or the relay is bad. or the fan motor is bad. Or you have a blown fuse.
Look for fuse first.... To test if fan motor is bad disconnect the connector to the fan and jumper it to the battery.if it spins it's good. the other two. use a component locator to find their location and replace. they are inexpensive. Temp sensor is in the cooling circuit (radiator...maybe next to thermostat) the relay will be in a fuse box under the hood.

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1 Answer

Cooling fan does not run?


At the main fuse and relay box, check the 30A EGI INJ fuse. If OK, the main relay closes to apply power to the cooling fan relay. Next, check the 30A FAN 1 and FAN 2 fuses.If OK, power is being applied to the fan control module. The PCM processes engine coolant temperature sensor input and sends a signal to the fan control module which, in turn, causes the cooling fan motor to operate. Fan failure could be caused by malfunction of the cooling fan relay, the fan control module, the engine coolant temperature sensor, the cooling fan motor itself, or the PCM

Oct 06, 2012 | 2005 Mazda MPV

1 Answer

Bat Main 4 (30A) fuse is blown and A/C blower is not working.


By A/C blower you mean the A/C fan by the radiator? it is possible that the fan motor has failed therefore requiring more amperage to try to turn it and as a result it blows the fuse. Disconnect the fan and install good fuse and turn A/C on if the fuse does not blow replace the fan.

Sep 27, 2012 | 2005 Pontiac Grand Prix

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95 toyota corolla 1.8 engine, cooling fan works but only when you disconnect the fan switch, or by pass the fan relay, it's not overheating, but it's causing the coolant to overflow the resivor. Replaced...


Check the engine main relay, the radiator fan relay no. 1, 30A CDS and FAN fuses, and the ECT (engine coolant temperature) sensor for proper function. For the ECT, there should be continuity when the engine is cold (200F).

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1 Answer

Overheating


WHEN CAR STARTING OVERHEATING MAKE SURE COOLANT LEVEL DIDNT GET TOO LOW. IF NOT I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP IF OVERHEATING WHILE SITTING IDLING COOLING FAN NOT COMING ON.CHECK COOLING FAN FUSE AND RELAY IF ALL IS GOOD.CHECK COOLING BY HOTWIRING IT.IF RUNS YOU HAVE A BAD COOLANT TEMPERATURE SENSOR OR FAULT IN WIRE CIRCUIT.IF FAN DONT RUN WHEN HOTWIRED REPLACE FAN MOTOR.IF CAR STILL KEEP OVERHEATING CHECK ENGINE OIL LOOKS LIKE MILK BLOWN HEAD GASKET.IF OIL LOOKS OKAY YOU NEED RADIATOR AND ENGINE FLUSHED OUT.

Aug 24, 2010 | 1996 Chevrolet Caprice Classic

2 Answers

2006 4.7 Jeep Commander Overheating


Can you see the cooling fans come on? When the engine gets to 212 degrees the fans should come on. To test the fans, with the engine running turn the A/C on high, the fans should come on .
The system also has a 212 switch that screws into the intake manifold. This is what turns on the fans with no A/C.
I hope this helps you.

Sep 06, 2009 | 2006 Jeep Commander

1 Answer

Overheating 2003 dodge durango. What could be the problem??


When engine running, ensure no engine combustion gas bubbles in coolant resevoir (if so, the head gasket is blown).

Check cooling fans are operating ok (when required when car warms up), if not check
1) fuse,
2) relay operation,
3) heat sensor switch.

Replace thermostat.
When re-filling cooling system, bleed off any airlock as necessary.

Check for collapsing (soft) coolant hose on suction side of waterpump when engine revs above idle.

Sep 01, 2009 | 2003 Dodge Durango

2 Answers

A/C smelled like smoke then blew 30A fuse - Silverado 1500 2004


You may want to change the blower motor as a precaution.
Do all the fan speeds work?
If not .....change the fan resistor board which is right beside the fan at the same time you change the blower fan motor.

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1 Answer

Overheating and no ac , replaced coolant fan didnt help


Headgasket may be blown. Try using the Goop found at local auto centre "Liquid Coolant Sealant"
Issue you are having is carbons leaking into the coolant tank is causing additional "BOIL" almost like blowing extremely hot air into water... Causing it to boil.
Your A/C is alone part of your Blower Fan, a completely different element to the cooling system, and you will need to recharge your AC
Try the goop. It really does work!!

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1 Answer

My saturn l300 keeps blowing the #2 cooling fan fuse 30a


wiring may be shorting to a ground somewhere check wiring harness and connectors for a ground fault!!swampratt200!!AAAEE!!!

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