Mitsubishi Stealth 1994 Import Service Manual page 1211

HEATERS AND MANUAL AIR CONDITIONING -
ADJUSTMENT PROCEDURES
as possible. Switch compressor on and off several times to
clearly identify compressor noise.
To duplicate high ambient conditions (high head pressure),
restrict air flow through condenser. Install manifold gauge
set to make sure discharge pressure doesn't exceed 2,070
(2) Tighten all compressor mounting bolts, clutch mounting
bolt, and compressor drive belt. Check to assure clutch coil
is tight (no rotation or wobble).
(3) Check refrigerant hoses for rubbing or interference that can
cause unusual noises.
(4) Check refrigerant charge. (See "Charging System".)
(5) Recheck compressor noise as in Step I.
(6) If noise still exists, loosen compressor mounting bolts and
retorque. Repeat Step 1.
(7) If noise continues, replace compressor and repeat Step 1.
POWER RELAY CHECK
relay box on the right of the engine compartment.
(2) Remove the condenser fan motor relays (HI) and (LO), and
air-conditioning compressor relay from the relay box on the
left of the engine compartment.
(3) Remove the blower motor relay from the junction box.
(4) Remove the blower motor HI relay from the blower case
assembly.
(5) Check the continuity between terminals using a circuit
tester.
IDLE-UP OPERATION CHECK
(1) Before inspection and adjustment set vehicle in the
following condition:
Engine coolant temperature: 80 - 95°C (176 - 203°F)
l
Lights, electric cooling fan and accessories: Set to OFF
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Transaxle: Neutral (N or P for vehicles with A/T)
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Steering wheel: Straightforward
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(2) Check to be sure that the idling speed becomes the
standard value when the air conditioning switch is switched
ON and the air conditioning is activated.
Standard value: 900 k 100 rpm
NOTE
Idle speed is controlled by the ISC system and is not
adjustable. If, idle speed is not within specifications, check
the ISC system.
(Refer to GROUP 14A - Service Adjustment Procedures.)
Service Adjustment Procedures 24 19