Volkswagen Corrado (1993 year). Manual - part 84

 

  Index      Volkswagen     Volkswagen Corrado - service repair manual 1993 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  82  83  84  85   ..

 

 

Volkswagen Corrado (1993 year). Manual - part 84

 

 

A/C COMPRESSOR OIL CHECKING 

COMPONENT REFRIGERANT OIL CAPACITIES (ZEXEL ROTARY VANE & 6-CYLINDER)

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Component                                                       Ounces

Condenser
 Altima & Maxima  ...............................................  2.5
 NX, Pickup, Sentra & 300ZX  ................................  1.0-1.7
Evaporator
 Altima & Maxima  ...............................................  2.5
 NX, Pickup, Sentra & 300ZX  ................................  1.5-2.5
Receiver-Drier
 Altima & Maxima  ...............................................  0.2
 NX, Pickup, Sentra & 300ZX  ................................  0.5-0.8
Refrigerant Lines (1)  ..........................................  1.0

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

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

         6-CYLINDER

         Audi
         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) Add one ounce of refrigerant oil when replacing
accumulator. When replacing condenser, add amount drained from
condenser plus 1/3 ounce of refrigerant oil. When replacing
evaporator, add amount drained from evaporator plus 2/3 ounce of
refrigerant oil.

         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

A/C COMPRESSOR OIL CHECKING 

         Volvo (850)
         1) Discharge refrigerant. See SERVICING PRECAUTIONS. Remove
compressor from vehicle. Drain compressor oil from compressor drain
plug and measure oil amount. Add the same amount of oil as was drained
from the old compressor.
         2) Add 1 2/3 ounce of refrigerant oil when replacing
evaporator. When replacing condenser or hoses, add 2/3 ounce of
refrigerant oil per component replaced. Add 3 ounce of refrigerant oil
when replacing receiver-drier.

END OF ARTICLE

A/C COMPRESSOR SERVICING 

         1993 AIR CONDITIONING & HEAT
         Compressor Servicing

         READ THIS FIRST

NOTE:    The purpose of this article is to provide GENERAL servicing
         overview. For more specific information, refer to the AUTO
         A/C-HEAT SYSTEM, MANUAL A/C-HEAT SYSTEM, or HEATER SYSTEM
         articles in this section.

NOTE:    Due to variety of clutch and shaft seal configurations,
         obtain appropriate A/C compressor service tools for
         compressor being serviced.

         ATSUGI ROTARY VANE CLUTCH COIL R & I

         Removal
         When replacing compressor clutch, be careful not to scratch
shaft or bend pulley. When removing center bolt, hold clutch disc with
Clutch Holder (KV99231010). Using Hub Puller (KV998VR001), remove
clutch disc. When removing pulley, remove lock nut with Hub Socket
(KV99235160).

         Installation
         1) Tighten center bolt to 81-104 INCH lbs. (9.1-11.8 N.m).
Tighten lock nut to 21-29 ft. lbs. (29-39 N.m). Using feeler gauge,
ensure clearance between clutch disc and pulley is .012-.024" (.30-.60
mm).
         2) If clearance is not correct, replace adjustment shim(s).
See Fig. 1. Break-in clutch by engaging and disengaging clutch about
30 times.

Fig. 1:  Exploded View Of Compressor (Atsugi Rotary Vane)
Courtesy of Nissan Motor Co., U.S.A.

A/C COMPRESSOR SERVICING 

         Removal
         1) Hold clutch plate and remove shaft nut. Using Clutch Plate
Remover (64 5 00), remove clutch plate. Using snap ring pliers, remove
circlip and remove pulley assembly.
         2) If pulley bearing is being replaced, remove circlip at
rear of pulley. Press bearing and spacer from pulley. Press in new
bearing with spacer and replace circlip.

         Installation
         1) Clean all surfaces. Install pulley assembly on compressor
and install circlip. Ensure clutch plate shim is in place on shaft.
Install clutch plate and nut. Tighten nut to 13-15 ft. lbs. (18-20 N.
m).
         2) Using a feeler gauge, check clutch plate-to-pulley
clearance. Clearance should be .028-.051" (.7-1.3 mm). If clearance is
not correct, remove clutch plate and replace clutch plate shim. See
Fig. 2.

         BOSCH 6-CYLINDER SHAFT SEAL R & I

         Removal
         Remove clutch plate. Remove shaft key and circlip. Using Seal
Seat Remover/Installer (64 5 030), remove seal seat. Using Seal
Remover/Installer (64 5 040), turn seal slightly clockwise to
disengage tangs and pull out shaft seal. Remove "O" ring seal.

         Installation
         1) Coat new "O" ring seal with refrigerant oil and install.
Coat new shaft seal with refrigerant oil and install seal on Seal
Remover/Installer(64 5 040). Ensure shaft seal and shaft machine
surfaces align. Insert shaft seal and turn slightly counterclockwise
to secure on shaft.
         2) Using sleeve from Seal Seat Remover/Installer (64 5 030),
push seal seat into compressor and install circlip. Install shaft key
and clutch plate. Check compressor oil level before charging system.

Fig. 2:  Exploded View Of Compressor Clutch (Bosch 6-Cylinder)
Courtesy of BMW of North America, Inc.

 

 

 

 

 

 

 

Content   ..  82  83  84  85   ..