Question about 2005 Peugeot 405
There is a switch on the thermostat houseing and one on the radeator.
Posted on Aug 01, 2009
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Posted on Jan 02, 2017
Cooling Fan Temp Sensor is the First thing You Check (with what you have described) Cooling Fan Should ALways come On When The A/C is turned On as A/C Adds A Load to Engine, If Temp Sensor is Faulty it Will Not Give GROUND Signal to ECM >For COOLING FAN >RELAY to Give ground and turn ON The Fan.
There ARE 2 temp Sensors that Serve Different Purposes 1 is for Dash READING GAGE & Or TEMP LIGHT the Other is For ECM or Fan Relay (SAME Thing) you Said>""can disconnect the sensor and fan continues to run" < This Leads me to think you Changed the Wrong One. Not Questioning your Skills Just Here to Help.
TEMP SENSOR FOR 3.1L V6 is Located upper RH rear of engine compartment, near exhaust system. Temp SENSOR for 2.3L Engine is Located in LH rear of engine compartment.
I Hope this Helps Lead you to a NON-OVERHEATING Pontiac.
Good Luck and Have A Great Evening. rejakwilson
Posted on Feb 04, 2009
Have you checked the Heat Gaskets. They may be defective or not functioning. Also Check the Cooling System's chemical completely checked. Also ensure that the Thermostat is not defective. Also try replacing the thermostat.
Thank you Sir, Have a nice day.
Posted on Sep 26, 2009
Is coolant flowing through the radiator? Possible water pump, radiator blockage, or air flow to/through the radiator blocked or restricted. When the fans come on is there warm air coming from them?
Posted on Oct 01, 2009
Testimonial: "waterpump was replaced recently and fans are blowing warm air"
Hello Guest and thank you for asking your question, on Fixya.
Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 2005 Chevrolet Monte Carlo, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people like you. So here is the link to:
How to diagnose your overheating 2005 Chevrolet Monte Carlo
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Thanks for the vote, and good luck!
Posted on Dec 27, 2010
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