GM 15231224
Clutch & Pulley

In order to replace the compressor-clutch assembly, remove the driver belt from the A/C Compressor; raise and support the vehicle. Next, remove the lower air deflector remembering to remove the three adjusting dowels from j 37872 universal spanner wrench (J 37872) and replace them with three 5/16x1 inch bolts. In this step, discard the compressor clutch plate bolt and use the j 37872 for holding the compressor clutch plate to avoid turning it while removing. Then, apply the j 6083 snap ring pliers (J 6083) to ensure that the compressor pulley snap ring and the compressor clutch coil snap ring are removed and then the removal of compressor pulley and compressor clutch coil. For installation, work to clear the clutch plate bolt threads using an m6x 1.0 tap and use compressed air to blow out the debris. Install compressor clutch coil and compressor clutch coil snap ring, as well as compressor pulley and then compressor pulley snap ring, using the j 6083. Add a very small amount of oil on the 0.4mm (0.016 in) air gap shim and carefully insert it between the clutch drive plate and the compressor clutch plate right before you install the compressor clutch plate so that it does not annoyingly stick on the pulley. Take measurement of air gap present in-between the pulley and the drive plate including that you adjust the shims to give one of the air gap 0.3-0.6mm (0.012-0.024in) air gap and ensure hand the new drive plate bolt has colored adhesive on atleast five thread to get instal on it for a distance of 12n.m (106ftb in) using the j 37872 to hold the compressor clutch plate. Lastly install lower air deflector, lower the vehicle, and run Drive Belt to A/C Compressor, and use the j 39400-a halogen leak detector (J 39400-A) to do a leak test on fittings.

Measure the air gap between the pulley and the drive plate, adjusting the shims to achieve a 0.3-0.6 mm (0.012-0.024 in) air gap.

It should have colored adhesive on at least five threads.