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AIR COMPRESSOR REPLACEMENT HOW TO
AIR COMPRESSOR REPLACEMENT INSTALL
AIR COMPRESSOR REPLACEMENT FULL

Therefore, different types of AC compressors work in slightly different ways.

AIR COMPRESSOR REPLACEMENT HOW TO

Please refer to the wealth of online articles on how to do this simple proccedure.Not all HVAC units have the same capacity, efficiency, or operating range.

Do not reassemble any more of the vehicle until the system is thoroughly cleaned and checked for leaks.

Reinstall the main accessory belt to confirm it lines up correctly on the compressor's pulley.

Torque their mounting bolts to 25 Nm (18.5 ft-lb).

Reinstall the high and low-pressure refrigerant lines.

Plug the electrical connector back into the compressor.

Repeat step 5 above on the lower front and upper mounting bolts.

The bolt is now torqued to factory specifications. Then using a socket wrench, turn the bolt another 180 degress.

Starting with the lower rear bolt, torque the bolt to 7 Nm (5 ft-lb).

We suggest holding it in place with some tape to avoid having it fall off of the socket when installing.

AIR COMPRESSOR REPLACEMENT INSTALL

Install a new lower rear mounting bolt.Install a new upper mounting bolt and hand tighten.Install a new aluminum lower front mounting bolt and hand tighten.DO NOT remove these plugs until the compressor is installed back on the engine block. The new compressor should come prefilled with oil and with plastic plugs installed in the refrigerant line ports.This is the easiest to install and will keep the compressor in place as you install the other two bolts. Finally, to avoid the compressor falling out of the bottom of the vehicle and becoming damaged, always install the lower front bolt first. Second, new compressors come pre-filled with oil - to avoid losing oil, do not remove the plastic plugs on the high and low refrigerant line ports until the compressor is installed. Please see our parts list above to order a set if needed. First, always use new aluminum mounting bolts - never reuse the old ones! Aluminum bolts stretch and should always be replaced.

Section 3 - Installing the new compressor Installing the new compressor is essentially the reverse of the above steps with a few important notes. Finally, while holding the compressor, remove the front mounting bolt.Using a long socket extension and an E12 external torx socket, remove the rear mounting bolt from the compressor.This will allow enough clearance to get a socket extension under the fender to access the rear compressor bolt. In order to access the lower rear mounting bolt, the right front wheel must be removed, the plastic lateral trim removed, and the steering wheel turned all the way to the right. Next, the lower rear mounting bolt must be removed.Using an E12 external torx bit, remove the top compressor mounting bolt.It is not necessary to completely remove the belt unless you are replacing it. Remove the belt from the AC compressor and tuck it away out of the work area. Using a T50 torx bit, turn the main accessory belt tensioner pulley clockwise to release the pressure on the main accessory belt.Locate and remove the high-pressure refrigerant line from the compressor using a T40 torx bit.Locate the low-pressure refrigerant line on the top of the compressor.Tuck the oil cooler hose out of the work area along with the other coolant lines.

AIR COMPRESSOR REPLACEMENT FULL

BE CAREFUL! It's full of coolant.have a drain pan ready. Move under the vehicle and disconnect the oil cooler hose from the bottom right side of the radiator. Remove the oil cooler coolant hose from the oil cooler.Remove the two 10mm bolts securing the cylinder head coolant hose and gently fold it back out of the work area. Unplug the cylinder head temperature sensor.Release the metal clip on the expansion tank coolant hose and fold it back out of the work area.It is located underneath a maze of coolant lines that will need to be cleared out of the way before the compressor can be removed. The refrigerant compressor in E60 and E61 sedans and touring wagons is located at the front right side of the engine block.Always use proper safety equipment including eye protection when working on your vehicle's AC system. Removal of 134a refrigerant from your vehicle's HVAC system must be recycled or reclaimed using the proper equipment. Per Section 608 of the Clean Air Act, it is illegal to knowingly release automotive 134a refrigerant into the atmosphere and is punishable by fines up to $27,500 per occurrence. Begin by removing the 134a refrigerant from the AC system.For more information on removing and recycling the 134a refrigerant from your BMW please refer to the wealth of online articles and videos from other automobile enthusiasts. It is perfectly legal for the home mechanic to remove their own refrigerant as long as you follow the correct procedure and DO NOT knowingly release any into the atmosphere. Section 2 - Removing the AC refrigerant compressor Removing the AC compressor first requires removing the refrigerant from the system.