Subaru Legacy BN/BS (2015-2019) Service Manual: Preparation tool

Subaru Legacy BN/BS (2015-2019) Service Manual / Hvac system (heater ventilator and a c) / General description / Preparation tool

1. SPECIAL TOOL

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

—

(Newly adopted tool)

SUBARU SELECT MONITOR 4

Used for setting of each function and troubleshooting for electrical system.

NOTE:

For detailed operation procedures of Subaru Select Monitor 4, refer to “Application help”.

73099SG000

SPECIAL TOOL CONDENSER

Used for installing the condenser.

2. GENERAL TOOL

CAUTION:

When working on vehicles with a HFC-134a system, only use HFC-134a specified tools and parts. Do not mix CFC-12 tools and parts. If HFC-134a and CFC-12 refrigerant or compressor oil is mixed, it will result in poor lubrication and the compressor may be damaged.

In order to prevent the mixture of HFC-134a and CFC-12 parts and liquid, the type of tool and screw, and the replacement valves used are different. The gas leak detectors for the HFC-134a and CFC-12 systems must also not be interchanged.

	HFC-134a	CFC-12
Tool and screw type	Millimeter size	Inch size
Valve type	Quick joint type	Screw-in type

TOOL NAME/ILLUSTRATION	REMARKS
Circuit tester	Used for measuring resistance, voltage and current.
DST-i	Used together with Subaru Select Monitor 4.
Wrench	Various WRENCHES will be required to service any A/C system.7 — 40 N·m (0.7 to 4.1 kgf-m, 5 to 30 ft-lb) torque wrench and various crowfoot wrenches will be needed. Open end or flare nut wrenches will be needed to affix the pipe and hose fittings.

Applicator bottle	A small APPLICATOR BOTTLE is recommended to apply compressor oil to the various parts. It can be available at a hardware store.

Manifold gauge set	A MANIFOLD GAUGE SET (with hoses) is available at either a refrigerant supplier or an automotive equipment supplier.

Refrigerant recovery system	A REFRIGERANT RECOVERY SYSTEM is used for the recovery and recycling of A/C system refrigerant after contaminants and moisture have been removed from the refrigerant.

Syringe	A graduated plastic SYRINGE will be needed to add oil into the system again. A syringe can be available at a pharmacy or drug store.

Vacuum pump	A VACUUM PUMP is necessary (for a good working condition), and may be available at either a refrigerant supplier or an automotive equipment supplier.

Can tap	A CAN TAP for the 397 g (14 oz) can is available at an automotive equipment supplier.

Thermometer/hygrometer	A Pocket THERMOMETER/HYGROMETER is available at either a industrial hardware store or a refrigerant supplier.

Electronic leak detector	An ELECTRONIC LEAK DETECTOR can be available at either a specialty tool supplier or an A/C equipment supplier.

Weight scale	A WEIGHT SCALE such as an electronic charging scale or a bathroom scale with digital display will be needed, if a 13.6 kg (30 lb) refrigerant container is used.

Caution

Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery. When replacing the electrical parts provided with memory functions that store contents specifi ...

Location

Refer to “Electrical Component Location” for “HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)” section. Electrical Component Location ...

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