HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Compressor
INSPECTION
1. MAGNET CLUTCH CLEARANCE INSPECTION
1. Check the clearance of entire circumference around the drive plate and pulley.
Specification:
0.3 — 0.6 mm (0.0118 — 0.0236 in)
2. Replace the compressor assembly if the inspection result is not within the standard.
2. MAGNET CLUTCH OPERATION INSPECTION
1. Check the magnet clutch operation when battery voltage is applied to the compressor terminal.
Terminal No. | Inspection conditions | Specification | Connection diagram |
1 (+) — Chassis ground (−) | Battery connection between compressor terminal and chassis ground | Engaged |

2. If it does not operate normally, replace the compressor assembly.
Compressor
RemovalPreparation for overhaul Procedure
MECHANICAL(H4DO) > Preparation for OverhaulPROCEDURE1. After removing the engine from the vehicle body, attach the ST to the engine as shown in the figure.NOTE:When using a commercially sold engine stand, follow the instructions of engine stand used.Tightening torque:35 N·m (3.6 kgf-m, 25. ...
General precautions when starting/stopping engine
WARNING
Never start the engine from outside
the vehicle (except when
using the remote engine start
system). It may result in an
accident.
Do not leave the engine running
in locations with poor ventilation,
such as a garage and indoors.
The exhaust gas may enter the
vehicle or i ...
State emission testing (U.S. only)
WARNING
When performing emission testing on a Subaru Ascent equipped with All-Wheel
Drive (AWD), only a four-wheel dynamometer must be used.
Under no circumstances should the Subaru Ascent be tested on a two-wheel dynamometer.
Doing so can cause uncontrolled wheel rotation, leading to danger ...