Question about 1995 Chevrolet K1500

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How to tell when you have a bad fan clutch

Temperature gauge fluctates while driving. Do I have a fan clutch going bas

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Open the hood while motor is cooling and grab fan blade if it spins really freely you need a new one. Provide you have a fan clutch, and not an electronic fan motor sorry just have to put it out there some folks mistake a electric fan for a clutch fan. Clutch fans are designed with a spring on the front of them, that tightens and forces the fan to pull more air into the engine compartment and when your fan clutch is working well you can hear the whine they make when in hot days with lots of traffic and you may see a little difference in temp but probably not enough to notice

Posted on Oct 21, 2019

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Besides checking the fan as described by others start by replacing the thermostat. Most common failure

Posted on Oct 23, 2019

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Posted on Jan 02, 2017

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SOURCE: Temperature gauge

Hmm, check your thermostat on correct behaviour, seen this before

Posted on Apr 14, 2009

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2 Answers

2003 chevy trailblazer cooling temp running 230


Smart man using a scanner for the actual temp. Assuming you're not losing coolant....2 things I'd look at here, 1st is you may have air in the system, make sure to purge all the air. 2nd is your fan clutch, I've replaced a few fan clutches in my own Trailblazer. Have had them bad right out of the box brand new. Have had bad brand new fan clutches on 2 of my last Trailblazers. You should hear it engaging especially in stop and go traffic.

Aug 02, 2016 | 2003 Chevrolet TrailBlazer

1 Answer

How can you tell if you have a bad fan clutch


It is a difficult process to check the correct operation of a thermal fan clutch.
Mostly if it is suspected the clutch is not working as it should and the age and the mileage of the car is significant it is best to replace the unit.

The clutch would be suspected if strange noises are heard that can be traced to the fan or if some engine overheating is being experienced, mostly at low speed or extended periods of idling.

To check the fan meets specification, first you need to know the temperature the clutch is designed to fully engage and then by whatever means available the fan clutch must be raised to that temperature and force applied to ensure direct drive has been achieved.

Oct 19, 2015 | Cars & Trucks

1 Answer

Temperature gauge on a 2008 Dodge Grand Caravan keeps fluctuating while driving


First things first....
INSPECT COOLANT LEVEL
Low ????
PRESSURE TEST SYSTEM
PRESSURE TEST RADIATOR/EXPANSION TANK CAP
INSPECT DRIVE BELT(s)
INSPECT COOLANT HOSES
INSPECT HEATER HOSES
INSPECT BYPASS/MISC. COOLANT HOSES/PIPES
TEST THERMOSTAT OPERATION
INSPECT RADIATOR TEMPERATURE
INSPECT RADIATOR COOLING FAN(s)/CLUTCH OPERATION
INSPECT CONDENSER/AUXILARY COOLING FAN(s) OPERATION(s)
INSPECT RADIATOR & CONDENSER FOR DEBRI
OBSERVE COOLANT TEMPERATURE GAUGE OPERATION

If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_2f0886b7d6af32ce

May 01, 2015 | Dodge Cars & Trucks

1 Answer

Triton v10


Begin with the basics....
INSPECT COOLANT LEVEL,
Low ????,PRESSURE TEST SYSTEM,
PRESSURE TEST RADIATOR/EXPANSION TANK CAP,
INSPECT DRIVE BELT(s),
INSPECT COOLANT HOSES,
INSPECT HEATER HOSES,
INSPECT BYPASS/MISC. COOLANT HOSES/PIPES,
TEST THERMOSTAT OPERATION,
INSPECT RADIATOR COOLING FAN(s)/CLUTCH OPERATION,
INSPECT CONDENSER/AUXILARY COOLING FAN(s) OPERATION(s)
INSPECT RADIATOR & CONDENSER FOR DEBRI,
OBSERVE COOLANT TEMPERATURE GAUGE OPERATION,

If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_2f0886b7d6af32ce

Jul 07, 2014 | Ford Excursion Cars & Trucks

1 Answer

Isuzu Trooper fan clutch not working as it should?


Its very possible the fan clutch has locked up and is now a direct connection from the fan to the water pump.
Depending on if it is controlled by temp or speed, it may not run at full speed when cold or at idle.
When the engine is cold and not running, a normal fan clutch would let you turn the fan blade without turning the pulley.

Oct 01, 2012 | 1991 Isuzu Trooper

2 Answers

Why is clamate control on 2006 wingroad ultra sensitive?


This can be caused by a bad controls or bad blend door motor, the door motor and controller will need to be tested to see which is causing the problem,

when you say temp fluctuates what happens? are you using the a/c and you turn temp down one click and it goes to hot ?
Is the temp going from hot to cold hot to cold as you drive?

Aug 12, 2012 | Nissan Cars & Trucks

3 Answers

Why does my temperature gage go over half when i drive with the ac on in a 90 degree climate? when i dont have the ac on, it stays on half. i had the radiator and engine flushed out and i'm using the...


Hi,
A/C increases Engine Temp in two ways.
1, extra 2-6hp load on engine.
2, hot condenser in front of radiator heating air going through cooling system.

A small difference in engine temp can be expected, but if the car is running hot get it sorted out.

Oct 07, 2017 | Chevrolet TrailBlazer Cars & Trucks

2 Answers

Temp gauge is in normal, 200 degree, range when starting. Within a few minutes of driving goes up to 250, right below orange line. No leaks found, coolant level appears fine. Any ideas?


250 DEGREES ENGINE GETTING TOO HOT.SOUND LIKE CLUTCH FAN FREEWHEEL.IF CLUTCH FAN DONT LOCK IN OR HAVE RESISTANCE TURNING BY HAND WHEN ENGINE HOT.FAN CLUTCH IS BAD.IF FAN CLUTCH OKAY COOLANT LEVEL CORRECT.I WOULD CHANGE THERMOSTAT FLUSH OUT ENGINE AND RADIATOR.IF ENGINE TEMPERATURE STILL READS 250 DEGREES OVER FLOW JUG OR RESERVOIR NOT BOILING OVER THE COOLANT TEMPERATURE SENSOR FAULTY.

Nov 05, 2010 | 2003 Chevrolet Avalanche

2 Answers

My trailblazer keeps overheating and I'm not sure why. I have already replaced the radiator, water pump, thermostat, and clutch fan. Is there anything else I can do?


There may be an obstruction in one of the hoses, there may be an air pocket in the system somewhere.
Are you sure there is actually an overheating going on? Maybe it's a bad temperature sensor or temperature gauge stepper motor.

Sep 23, 2010 | 2002 Chevrolet TrailBlazer

3 Answers

1997 Chevy Malibu cooling fans problem


I don't have the solution but I have the same problem. You are not alone. I have done everything you have done and have run out of options as far as fixing it with OEM parts. I am going to over ride the system with a hot wire and toggle switch and tie into the led wire on the #1 fan so when temp starts to rise past 180 degrees I can turn the fans on. Freeway driving is ok for me, no fan needed, just when I get off the freeway and around town engine gets hot. My toggle switch has a L.E.D. light in it to indicate the switch is on.

May 08, 2010 | 1997 Chevrolet Malibu

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