Question about 2005 Chevrolet Malibu
Fans well not operate due to bad heat sensor, must replace
On a v-6 it is on the rear of the engine(closest to trans) near the upper rad hose connection
Posted on Apr 11, 2014
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Posted on Jan 02, 2017
Which one of the coolant sensors have you been replacing or have you replaced both of them?
Just so you know there are two of them, one is for the cooling fans and one is for the guage on the cluster.
Report back with which one you replaced so we can further assist you.
Posted on Oct 21, 2009
A few different things have happened here, either you have a bad ground circuit, you have a brand new bum sensor, or quite possibly the pcm has an issue. If this was aftermarket sensor (Auto Zone or other), it could be faulty. Take it back and have them give you another. This way you don't spend money right off the bat. So let me understand, (1) when you turn on the A/C, fans come on, (2) you unplug the temp. sensor and the fail safe kicks in?!! Run the car until the operating temperature is obtained (220 deg fahreheit) and then turn the heater on making sure that heat is sufficient and no air bubbles are in the system. at 222 deg f, the fans should kick on. Listen for either low or high speed to engage. I am saying this to cover basic steps and work up to further diagnostics. Let me know what you have covered and I can send diagrams and further help.
Posted on Oct 24, 2010
SOURCE: The fan doesn't work on
Can't remember where they are exactly on yours but there are a group of three or four relays either back on one of the fenders or on the firewall. One of those is for the fan.
Posted on May 16, 2011
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