Question 1

How to replace the A/C Clutch assembly on Chevrolet Equinox?

Accepted Answer

Vehicle technicians must begin the compressor clutch assembly replacement process by taking out the compressor unit. Use Universal Spanner Wrench (J 37872) to grip the compressor clutch before you remove the bolt connecting it to the compressor. The Clutch Remover tool (GE-47849) should be installed onto the compressor clutch before removing it from the compressor unit. Proceed to detach the compressor clutch shims off the shaft before you remove the snap ring from the pulley. Use the Center Puller (GE-47850) combined with Three Jaw Puller (J 25031-A) to disconnect the compressor pulley from the compressor. Start by removing both the clutch field coil connector bracket screw and clutch field coil screws before pulling out the clutch field coil from the compressor. Clean all surfaces of the clutch field coil and pulley mounting area prior to putting the clutch field coil back on the compressor. Use a torque wrench to fasten the clutch field coil screws at 4.9 Nm (43 lb in) and the clutch field coil connector bracket screw at 4.3 Nm (38 lb in). To install the compressor pulley you need to use the Armature Replacer (GE-47851) which should have the snap ring with rounded edge facing up. After installing the snap ring to the compressor pulley you must position the compressor clutch shims onto the compressor shaft. Install the compressor clutch on the compressor shaft before using the Armature Replacer (GE-47851) to fasten the compressor clutch to the compressor. Use a feeler gauge to check the clearance between the compressor clutch and pulley while ensuring it stays within the range of 0.3 mm to 0.6 mm (0.012 in to 0.024 in). Fitting new clutch bolts should be followed by tightening the compressor clutch with a Universal Spanner Wrench (J 37872) to 21 Nm (16 lb ft) torque capacity. Check that the compressor pulley easily rotates free of obstruction before reinstalling the compressor into the vehicle.

Question 2

How to replace the A/C Clutch assembly on Chevrolet Impala?

Accepted Answer

One needs to obtain several tools before replacing the compressor clutch assembly: a compressor clutch holding tool (J 37872) together with snap ring pliers (J 6083). J 37872 compressor clutch holding tool and j 6083 snap ring pliers are required. Start by taking out the compressor and three adjustable dowels from the compressor clutch holding tool (J 37872), then install three 5/16 x 1 inch bolts. Discard the compressor clutch plate bolt and position the j 37872 compressor clutch holding tool to secure the compressor clutch plate during removal procedures. The compressor pulley snap ring can be removed using snap ring pliers (J 6083) before removing the pulley itself. The technician should use snap ring pliers (J 6083) to remove both the compressor clutch coil snap ring and coil itself. Through the installation process first use an m6x1.0 tap to clean clutch plate bolt threads before applying compressed air to clear remaining debris. Use snap ring pliers (J 6083) to install the compressor clutch coil followed by installation of the compressor clutch coil snap ring using the same tool. To begin installation use the snap ring pliers (J 6083) for attaching the compressor pulley and its snap ring. Place a 0.4 mm (0.016 in) air gap shim inside the clutch drive plate using small amounts of oil before putting on the compressor clutch plate. Normal compressor pulley rotation should not trigger drive plate contacts with the pulley. Utilize the measurement tools to check pulley-drive plate air gap distances and readjust the shims to yield between 0.3 to 0.6 mm (0.012 to 0.024 in) air gap distance. Tighten the new drive plate bolt to 12 n.m (106 lb in) after first making sure the bolt shows colored adhesive on at least 5 threads. Perform this operation while using the compressor clutch holding tool (J 37872) to stop the clutch plate from rotation. After compressor reinstallation complete a leak test on all fittings by using the leak test tool (J 39400-A).

Question 3

How to replace the A/C Clutch assembly on Chevrolet Malibu?

Accepted Answer

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.

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