Volkswagen Corrado (1993 year). Manual - part 88

 

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Volkswagen Corrado (1993 year). Manual - part 88

 

 

A/C COMPRESSOR SERVICING 

NOTE:    To check air gap, place a dial indicator on clutch plate.
         Apply voltage to clutch coil. Check air gap between clutch
         plate and drive pulley. Ensure air gap is as specified.

Fig. 13:  Exploded View Of Compressor (Nippondenso 10-Cylinder)
Courtesy of Ford Motor Co.

         NIPPONDENSO 6 & 10-CYLINDER SHAFT SEAL R & I

NOTE:    On Chrysler and Mitsubishi, remove compressor through bolts
         and front housing to remove shaft seal. See Fig. 14.
         Alternately tighten through bolts to 18-21 ft. lbs. (24-28
         N.m).

         Removal
         1) Remove clutch plate and pulley. Remove shim(s) from shaft.
Remove clutch coil if necessary. Remove felt and felt retainer (if
equipped). Place shaft key remover on shaft and turn to remove key.

A/C COMPRESSOR SERVICING 

         Installation
         1) Apply clean refrigerant oil to compressor housing bore.
Lubricate shaft seal with refrigerant oil and install in front
housing. Lubricate seal plate and install in front housing.
         2) Install shaft key, snap ring, felt retainer and felt. With
clutch plate installed, ensure air gap between clutch plate and pulley
is .024-.040" (.60-1.00 mm) on Fox and MR2; .014-.026" (.36-.66 mm) on
all others. If air gap is incorrect, add or remove shim(s) as
necessary.

Fig. 14:  Exploded View Of Compressor (Nippondenso 10PA15 10-Cylinder)
Courtesy of Chrysler Corp.

         PANASONIC ROTARY VANE CLUTCH COIL R & I

         Removal
         Hold clutch disc stationary and remove shaft bolt. Remove
clutch disc and shim(s) from shaft. Remove snap ring. Using a puller,
remove pulley. Remove screw from clutch coil lead. Remove screws and
field coil.

         Installation
         To install, reverse removal procedure. Tighten field coil
screws to 30-57 INCH lbs. (3.4-6.4 N.m). Ensure pulley-to-armature gap
is .016-.020" (.40-.50 mm). If air gap is incorrect, add or remove
shim(s) as necessary. Tighten shaft bolt to 97-115 INCH lbs. (11-13 N.
m).

         PANASONIC ROTARY VANE DISCHARGE VALVE R & I

         Removal & Installation
         Remove compressor head cover. Remove discharge valve stopper
and discharge valve. See Fig. 15. Install replacement discharge valve
and stopper, reversing removal procedure. Tighten discharge valve
bolts to 27-34 INCH lbs. (3.0-3.8 N.m). Tighten compressor head cover

A/C COMPRESSOR SERVICING 

Fig. 15:  Exploded View Of Compressor (Panasonic Rotary Vane)
Courtesy of Mazda Motors Corp.

         PANASONIC ROTARY VANE OIL CONTROL VALVE R & I

         Removal & Installation
         Remove compressor rear cover. Remove oil control valve.
Remove springs, valve, and rear cover seal. To install components,
reverse removal procedure. Tighten oil control valve bolts to 89 INCH
lbs. (10 N.m). Tighten rear cover nuts to 21 ft. lbs. (29 N.m) and
bolts to 89 INCH lbs. (10 N.m).

         PANASONIC ROTARY VANE SHAFT SEAL R & I

         Removal & Installation
         Remove clutch disc and shim(s). Remove felt seal and snap
ring. Using Seal Plate Remover (49 B061 005), engage and remove shaft
seal plate. Remove shaft seal with Seal Remover/Installer (49 B061
006). To install, reverse removal procedure. Coat new seal plate and
seal with clean refrigerant oil. DO NOT touch seal surfaces with
fingers.

         SANDEN SCROLL CLUTCH COIL AND SHAFT SEAL R & I

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

         Removal (Chrysler & Mitsubishi Except Galant & Mirage)
         1) Remove drive belt pulley (if equipped). Hold clutch plate

A/C COMPRESSOR SERVICING 

         Installation (Chrysler & Mitsubishi Except Galant & Mirage)
         1) To install shaft seal, ensure front housing is free of
foreign objects. Lubricate Shaft Seal Protector (MB991459) and place
over compressor shaft. Lubricate shaft seal and install using shaft
seal remover/installer. Remove shaft seal protector.
         2) Using a 21 mm socket or Drift (MB991301), carefully press
bearing onto compressor shaft. Install clutch coil so that alignment
pin is engaged. Install clutch coil snap ring with tapered side facing
out.
         3) Align armature plate with crankshaft spline. Tighten shaft
nut to 12 ft. lbs (16 N.m). Using feeler gauge, ensure clearance
between pressure plate and pulley is .016-.024" (.40-0.60 mm). If
clearance is incorrect, add or remove shim(s) as necessary.

Fig. 16:  Exploded View Of Compressor (Sanden Scroll)
Courtesy of Chrysler Corp.

         Removal (Chrysler & Mitsubishi Galant & Mirage)

 

 

 

 

 

 

 

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