Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Celica 1988-1989.1993-1994.2000 Approved Toyota Celica 1994 ac compressor refrigerant oil checking

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                      A/C COMPRESSOR REFRIGERANT OIL CHECKING

                                      1994 Toyota Celica




         1994 A/C Compressor Refrigerant Oil Checking

         Camry, Celica, Corolla, Land Cruiser, MR2, Paseo, Pickup,
           4Runner, Previa, Supra, Tercel, T100

    * PLEASE READ THIS FIRST *
NOTE:    For COMPRESSOR APPLICATION and REFRIGERANT OIL & REFRIGERANT
         SPECIFICATIONS tables, see the A/C COMPRESSOR SERVICING
         article in the AIR CONDITIONING & HEAT section. DO NOT exceed
         A/C system refrigerant oil capacity when servicing system.

    REFRIGERANT OIL
         Only NEW, moisture-free refrigerant oil should    be used in the
air conditioning system. This oil is highly refined and    dehydrated so
moisture content is less than 10 parts per million. The    oil container
must be tightly closed at all times when not in use, or    moisture from
the air will be absorbed into the refrigerant oil.

    SERVICING PRECAUTIONS

    DISCHARGING SYSTEM
         Discharge A/C system using approved refrigerant
recovery/recycling equipment. Always follow recovery/recycling
equipment manufacturer's instructions. After refrigerant recovery
process is completed, the amount of compressor oil removed must be
measured and the same amount added to A/C system.

    DISCONNECTING LINES & FITTINGS
         After system is discharged, carefully clean area around all
fittings to be opened. Always use 2 wrenches when tightening or
loosening fittings. Some refrigerant lines are connected with a
coupling. Special tools may be required to disconnect lines. Cap or
plug all openings as soon as lines are removed. DO NOT remove caps
until connections of lines and fittings are completed.

    CONNECTING LINES & FITTINGS
NOTE:    All R-134a based systems use 1/2"-16 ACME threaded fittings.
         Ensure all replacement parts match the connections of the
         system being worked on.

         Always use a new gasket or "O" ring when connecting lines or
fittings. Coat "O" ring with refrigerant oil and ensure it is not
twisted during installation. Always use 2 wrenches to prevent damage
to lines and fittings.

    PLACING SYSTEM IN OPERATION
         After component service or replacement has been completed and
all connections have been made, evacuate system thoroughly with a
vacuum pump. Charge system with proper amount of refrigerant and
perform leak test. See REFRIGERANT OIL & REFRIGERANT SPECIFICATIONS
TABLE in the A/C COMPRESSOR SERVICING article for system capacities.
Check all fittings that have been opened. After system has been leak
tested, check system performance.

NOTE:   Most compressors are pre-charged with a fixed amount of
        refrigerant (shipping) oil. Drain compressor oil from new
        compressor and add refrigerant oil to new compressor
        according to amount removed from old compressor. Always
        refer to underhood A/C specification label or A/C compressor
        label while servicing A/C system.

    CHECKING COMPRESSOR OIL

    MATSUSHITA - ROTARY VANE
         Paseo & Tercel
         Discharge system. See SERVICING PRECAUTIONS. Remove
compressor from vehicle. Drain oil from compressor through inlet and
outlet ports. Fill compressor with 3.4-4.1 ounces of oil through
suction port. Add 0.7 ounces if receiver-drier was replaced. When
replacing condenser or evaporator, add 1.4-1.7 ounces of refrigerant
oil.

    NIPPONDENSO - 10-CYLINDER
         Except Paseo & Tercel
         1) The use of refrigerant recovery/recycling is recommended
by manufacturer. After refrigerant recovery process is completed, the
amount of compressor oil removed must be measured and the same amount
added to A/C system.
         2) On Previa and T100, add 1.4-1.7 ounces of refrigerant oil
when replacing condenser or evaporator. When replacing receiver-drier,
add 0.7 ounce of refrigerant oil.
         3) On all other models, add 1.4 ounces of refrigerant oil
when replacing condenser or evaporator. When replacing receiver-drier,
add 0.3 ounce of refrigerant oil.

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