Step 1
Evacuate the air treatment system by catch the Cadillac to a garage or oil change facility, where they can to remove the coolant with professional equipment. It is important to never discharge 134a or any other air treatment coolant in the atmosphere. The garages normally To evacuate the system for free to to avoid the pollution, and because they get compensated for gathering it.
Step 2
Disconnect the battery by rotation the Limit bolts counterclockwise. Place the positive bolt far from the battery. disconnection the wiring harness of the compressor by traction the adapter catch from the compressor's socket, located on the top of the compressor casing. The catch will to have a small lever on it that come loose when pressed in.
Step 3
Disconnect the coolant lines of the compressor by rotation the line nuts counterclockwise. Once the lines are off, visually To inspect the trimmings in each one one to to ensure they are not damaged or buckled; this can cause leaking.
Step 4
Remove the Girdle from the compressor pulley Coil by Pushed firmly on the tension pulley arm and Slip the Girdle from the idle pulley wheel. release the arm give the Girdle enough slackness to come free of the compressor pulley. Unwrap the Girdle from the compressor, but leave it wrapped around the other pulleys; there is no the need to completely to remove the belt.
Step 5
Turn all of the compressor's Frame bolts counterclockwise, while possession the nut on the opposed side with a key or socket. Once the nut is loose, the bolts slide out of the Frame arms. The compressor come free at this point, and can be heavy so to have control of it when it start to To loosen itself up. to remove the compressor of the car and To replace it with the new unit.
Step 6
Install the compressor by placement it in the Frame arms and Slip the bolts through each one arm. blocked the Frame nuts by possession one side with a key while rotation the other side clockwise. To replug the coolant lines, wiring harness adapter plug, and Girdle (by pressing on the tension arm). To replug the battery by rotation the Limit bolts clockwise.
Step 7
Refill the air treatment system with coolant by catch it back to the garage that evacuee the system, or use a house recharge kit. The kit is far less expensive, but require a portions out of knowledge on the A/C system to use properly.
