Engine Compartment Components

WARNING: Parts marked with an asterisk (*) can be serviced only after the A/C refrigerant system has been discharged by a certified technician using EPA-approved refrigerant recovery and recycling equipment. [1][2]Service Precautions

CAUTION: Before working on electrical system, obtain radio code and disconnect battery Ground (GND) strap.

NOTE: All available procedures for servicing components are not necessarily in this article. If the information needed is not found in this article alone, try looking for information under specific component.

With Air Conditioning:

1 - Dust and pollen filter
- Where applicable
2 - Plenum cover
3 - Evaporator water drain valve
- Located behind bulkhead insulation
4 - Heater core connections and vacuum hose guide
5 - Fresh air/recirculating flap two-way valve -N63-
- Valve open when voltage applied
6 - Coolant Fan Control (FC) control module -J293-
- With fuse -S88- (1993 m.y)
- With fuses -S107- and -S108- (1994 m.y On)
7 - Vacuum reservoir
Insert vacuum hose 30 mm (1.2 in.) into reservoir
8 - Vacuum hose
9 - A/C thermal switch -F163- and third speed coolant Fan Control (FC) thermal switch -F165-
- A/C thermal switch -F163- only on vehicles with engine codes AAA, AAZ, ABA, ACC
- F163 switches A/C clutch -N25- off at high engine coolant temperature; OFF switch open) above 119 °C (246 °F); ON (switch closed) below 112 °C (234 °F)
- Third speed coolant fan control thermal switch -F165- only on vehicles with 3-speed coolant fan motor
- F165 switches radiator coolant fan to 3rd speed as engine coolant temperature increases; 3rd speed ON (switch closed) above 112 ° (234 °F); OFF (switch open) below 108 °C (226 °F)
10 - Condenser*
11 - Pressure relief valve*
12 - A/C clutch -N25-*
13 - Ambient temperature switch -F38-
- Switches A/C clutch -N25- OFF when outside temperature is too low
- Switch opens (compressor OFF): below 2 °C (36 °F)
- Switch closes (compressor ON): above 7 °C (45 °F)
14 - A/C pressure switch -F129-
- Always replace O-ring seal (note Part No.)
15 - Receiver drier*
16 - Sight glass*
- Not applicable to all vehicles
17 - High and low-pressure service valves*
18 - Expansion valve*