Question about 2005 Ford Escape
There is danger working with high pressure freon. Make sure to wear eye protection and gloves.
The first problem is that you have to release the old freon.
You can rent equipment for this, or give the freon to a shop that can capture it.
Then you have to disconnect the belt, hoses, wire, and hold down bolts.
If the new pump does not come with a clutch/pulley, then you would have to switch from the old one, but AC clutches tend to be somewhat difficult to remove or require a special tool depending. That are all different.
Read the instructions with the new compressor as to how to install the oil that should come with it.
They reverse the order things were taken off.
Evacuate the system to remove air and moisture with a rented vacuum pump.
Install freon with a hose from the can to the thicker, low pressure, valve, with the engine running and AC on.
But how do you know you need a compressor?
You could just have a leak and are low on freon, which you could tell by bubbles in the sight glass.
Have you put a set of gauges on and seen too little difference between the high and low side?
Are you sure the clutch is working and pulley center spinning?
Posted on Jul 29, 2010
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Posted on Jan 02, 2017
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Insert the square tip of a 1/2-inch socket wrench into the square hole in the center of the serpentine belt's adjustment pulley. The adjustment pulley is the smallest pulley the belt wraps around.
Pull the adjustment pulley toward the engine with the socket wrench to release the tension on the serpentine belt, then pull the belt off the air conditioning compressor's pulley.
Remove the bolts which secure the air conditioning compressor to its mounting brackets with an open-end wrench, then position the compressor to the side of the engine compartment. Do not disturb the hoses that attach to the compressor.
Pull the electrical connection off the crankshaft sensor.
Remove the two bolts that secure the crankshaft sensor against the engine with an open-end wrench, then slide the sensor out of the engine.
Slide the new crankshaft sensor into the engine, then install and tighten the sensor's two securing bolts with an open-end wrench.
Press the electrical connection onto the crankshaft sensor.
Position the air conditioning compressor against its mounting brackets, then install and tighten the compressor's bolts with an open-end wrench.
Pull the serpentine belt's adjustment pulley toward the engine with the socket wrench, then position the belt onto the air compressor's pulley.
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