Volkswagen Corrado (1993 year). Manual - part 81

 

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Volkswagen Corrado (1993 year). Manual - part 81

 

 

A/C COMPRESSOR OIL CHECKING 

         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
article in GENERAL SERVICING 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.

         ATSUGI

         ROTARY VANE

         1) Before checking and adjusting oil level, operate engine at
1200 RPM. Set controls at maximum cooling and high blower motor speed
for 10 minutes to return oil to compressor.
         2) Stop engine. Discharge refrigerant and remove compressor
from vehicle. See SERVICING PRECAUTIONS. Drain compressor oil through
compressor discharge port and measure oil amount.
         3) If amount drained is less than 3 ounces, conduct leak
tests at system connections. Repair or replace faulty parts as

A/C COMPRESSOR OIL CHECKING 

COMPONENT REFRIGERANT OIL CAPACITIES (ATSUGI ROTARY VANE)

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Component                                            Ounces

Condenser  .......................................  1.0-1.7
Evaporator  ......................................  1.5-2.5
Receiver-Drier  ..................................  0.5-0.8
Refrigerant Lines (1)  ...........................  1.0-1.7

(1) - Add only if a refrigerant oil leak is indicated.

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

         BOSCH

         6-CYLINDER

         1) Before checking and adjusting oil level, operate
compressor at engine idle speed, and set controls at maximum cooling
and high blower motor speed for 20-30 minutes to return oil to
compressor.
         2) Stop engine and discharge refrigerant. See SERVICING
PRECAUTIONS. Remove refrigerant oil level inspection plug on side of
compressor. Oil should be at lower lip of threaded hole. If oil level
is low, add new refrigerant oil as necessary. Replace inspection plug
and tighten to 10-12 ft. lbs. (14-16 N.m).

         CALSONIC

         V5 5-CYLINDER & V6 6-CYLINDER

         Infiniti & Nissan
         1) Before checking and adjusting oil level, operate engine at
1200 RPM. Set controls at maximum cooling and high blower motor speed
for 10 minutes to return oil to compressor.
         2) Stop engine. Discharge refrigerant. See SERVICING
PRECAUTIONS. Measure the amount of oil drained/discharged into
refrigerant recovery/recycling equipment.
         3) Remove compressor from vehicle. Drain compressor oil from
compressor drain plug and measure oil amount. Add this amount to
amount drained in step 2), to obtain total amount drained.
         4) Fill compressor with total amount drained, using new oil.
If any major components of the system were also replaced, determine
the amount of additional oil needed. See appropriate COMPONENT
REFRIGERANT OIL CAPACITIES table for specified amount.

COMPONENT REFRIGERANT OIL CAPACITIES (CALSONIC V5)

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

A/C COMPRESSOR OIL CHECKING 

Condenser  ........................................  1.0-1.7
Evaporator  .......................................  1.5-2.5
Receiver-Drier  ...................................  0.5-0.8
Refrigerant Lines (1)  ............................  1.0-1.7

(1) - Add only if a refrigerant oil leak is indicated.

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

COMPONENT REFRIGERANT OIL CAPACITIES (CALSONIC V6)

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Component                                             Ounces

Condenser  ............................................  2.5
Evaporator  ...........................................  2.5
Receiver-Drier  .......................................  0.2
Refrigerant Lines (1)  ................................  1.0

(1) - Add only if a refrigerant oil leak is indicated.

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

         Subaru
         1) Before checking and adjusting oil level, operate engine at
1000-1500 RPM. Set controls at maximum cooling and high blower motor
speed for 20 minutes to return oil to compressor.
         2) Stop engine. Discharge refrigerant and remove compressor
from vehicle. See SERVICING PRECAUTIONS. Drain compressor oil from
compressor drain plug and measure oil amount.
         3) Fill compressor with total amount drained, using new oil.
If any major components of the system were also replaced, determine
the amount of additional oil needed. See appropriate SUBARU COMPONENT
REFRIGERANT OIL CAPACITIES table for specified amount.

SUBARU COMPONENT REFRIGERANT OIL CAPACITIES (LEGACY)

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Component                                             Ounces

Compressor  ...........................................  2.4
Condenser  ............................................  1.7
Evaporator  ...........................................  2.4
Refrigerant Lines (1)  ................................  1.7

(1) - Add only if a refrigerant oil leak is indicated.

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

SUBARU COMPONENT REFRIGERANT OIL CAPACITIES (SVX)

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Component                                             Ounces

Compressor  ...........................................  2.4
Condenser  ............................................  1.7

A/C COMPRESSOR OIL CHECKING 

(1) - Add only if a refrigerant oil leak is indicated.

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

         DIESEL KIKI

         ROTARY VANE

         1) Before checking and adjusting oil level, operate engine at
800-1000 RPM. Set controls at maximum cooling and high blower motor
speed for 20 minutes to return oil to compressor.
         2) Stop engine. Discharge refrigerant and remove compressor
from vehicle. See SERVICING PRECAUTIONS. Remove oil drain plug and
measure amount of oil drained.
         3) If amount drained is less than 3 ounces (1.7 ounces on Geo
Storm), conduct leak tests at system connections. Repair or replace
faulty parts as necessary.
         4) If amount drained is more 3 ounces (1.7 ounces on Geo
Storm), oil level is okay. Fill compressor with same amount drained,
using new oil. If amount drained is less than 3 ounces (1.7 ounces on
Geo Storm), pour in 3 (1.7) ounces of new refrigerant oil.
         5) When replacing other A/C system components, add the
following amount(s) of refrigerant oil. See COMPONENT REFRIGERANT OIL
CAPACITIES (DIESEL KIKI ROTARY VANE) table.

COMPONENT REFRIGERANT OIL CAPACITIES (DIESEL KIKI ROTARY VANE)

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Component                                                Ounces

Condenser  ...............................................  1.7
Evaporator  ..............................................  1.0
Receiver-Drier  ..........................................  1.0
Refrigerant Lines  .......................................  0.3

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

         5 & 6-CYLINDER

         1) Before checking and adjusting oil level, operate engine at
800-1000 RPM. Set controls at maximum cooling and high blower motor
speed for 20 minutes to return oil to compressor.
         2) Stop engine. Discharge refrigerant and remove compressor
from vehicle. See SERVICING PRECAUTIONS. Remove oil drain plug and
measure amount of oil drained.
         3) If amount drained is less than 3 ounces, conduct leak
tests at system connections. Repair or replace faulty parts as
necessary.
         4) If amount drained is more 3 ounces, oil level is okay.
Fill compressor with same amount drained, using new oil.
         5) When replacing other A/C system components, add the
following amount(s) of refrigerant oil. See COMPONENT REFRIGERANT OIL

 

 

 

 

 

 

 

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