A/C - Noise During Compressor Operation, A/C Inoperable
GROUPHVAC
DATE
APRIL 2013
NUMBER
13-HA-002
MODEL
GENESIS (BH), EQUUS (VI)
SUBJECT
A/C COMPRESSOR REPAIR PROCEDURE
(PULLEY, DISC & HUB REPLACEMENT)
Description:
Some vehicles listed below may exhibit the following condition(s) due to an inoperable A/C pulley disc limiter.
^ Noise from the A/C compressor during operation
^ A/C compressor is disconnected internally and A/C system is inoperable
Follow the procedure outlined in this bulletin to replace the A/C Pulley Assembly and the A/C Disc & Hub Assembly to correct this condition.
Applicable Vehicles:
^ 2009 MY and later Genesis (BH) vehicles produced between 4/30/2008 through 7/24/2012
^ 2011 MY and later Equus (VI) vehicles produced between 7/13/2010 through 7/24/2012
Parts Information:
Warranty Information:
REPAIR PROCEDURE
1. Prepare the vehicle for underhood repair work.
2. Remove the cooling fan and the serpentine belt.
3. Remove the 8mm center bolt from the A/C compressor and disc.
4. Remove the disc and then disassemble the external snap-ring to release the pulley.
5. Remove the pulley from the A/C compressor.
^ Clean off any debris from the snout of the compressor.
6. Position the new pulley onto the A/C compressor and reinstall the snap-ring with the facing bevel edge matching correctly as shown below.
Reinstall the serpentine belt at this time.
7. Install the new disc.
^ To assemble onto the pulley, rotate the disc clockwise while gently pushing towards the compressor.
8. Reinstall the 8mm center bolt from the A/C compressor and disc.
^ Tighten the bolt to 9.2 lb.ft (12.5 N.m).
9. Reinstall the cooling fan.
10. Verify repair.
> Start the engine with the A/C off.
^ Visually check whether the disc and pulley is rotating properly without slipping.
^ Check for any unusual noise.
> Turn the A/C on to maximum cold setting.
^ Verify that the A/C compressor operates by confirming cold airflow from the vents.
> If any issues are found, then turn off the engine. Carefully recheck the repair work.