VOLKSWAGEN CORRADO 1993 Repair Manual

* SYMPTOM CHECK LIST *
Article Text (p. 14)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:45PMFig. 12: Water Leak & Wind Noise
END OF ARTICLE

2.8L IN-LINE V6 (VR6)
Article Text
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PM
ARTICLE BEGINNING
1992-93 ENGINE
Volkswagen 2.8L 6-Cylinder
1992-93 Corrado SLC, 1993 Passat
* PLEASE READ THIS FIRST *
NOTE: For engine repair procedures not covered in this article,
see ENGINE OVERHAUL PROCEDURES - GENERAL INFORMATION article
in the GENERAL INFORMATION section.
ENGINE IDENTIFICATION
Engine identification number is stamped on a machined pad, on
front of the cylinder block. See Fig. 1. The engine code is also
listed on a sticker attached to the timing belt cover and the vehicle
identification located in luggage compartment.
ENGINE IDENTIFICATION CODES TABLEÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄApplication Engine Code
2.8L VR6 (1) .......................................... AAA
(1) - An "in-line" V6. See Fig. 7 for cylinder
arrangement.
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄFig. 1: Locating Engine Identification Number
Courtesy of Volkswagen United States, Inc.

2.8L IN-LINE V6 (VR6)
Article Text (p. 2)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PM
ADJUSTMENTS
HYDRAULIC LIFTER TEST
To determine weak or noisy lifter, position camshaft lobe
high point upward. Using a piece of wood, push lifter down. See
Fig. 2. If lifter moves down more than .004" (.10 mm), replace lifter.
If lifter moves less than .004" (.10 mm), lifter is okay. Repeat
procedure for remaining lifters.
CAUTION: If lifter is replaced, allow 30 minutes for lifter to bleed
down before starting engine.Fig. 2: Measuring Lifter Clearance
Courtesy of Volkswagen United States, Inc.
REMOVAL & INSTALLATION
FUEL PRESSURE RELEASE
Remove fuel pump relay. Fuel pump relay is the lower right
relay located in fuse/relay panel. Crank engine for 5 seconds.
Reinstall fuel pump relay.
ENGINE
NOTE: Engine is removed with transaxle attached.
Removal
1) Obtain radio code. Turn ignition off and wait 20 seconds.
Disconnect negative battery cable. Remove air cleaner assembly.
Install 8.0 mm bolt in belt tensioner hole and remove service belt.
See Fig. 3.
2) On manual transmission models, disconnect clutch slave
cylinder. On all models, remove power steering pump and attach to
body. Remove radiator, front lock support and front bumper. Drain

2.8L IN-LINE V6 (VR6)
Article Text (p. 3)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PM
cooling system. Disconnect cooling fan and thermoswitch.Fig. 3: Releasing Accessory Drive Belt Tensioner
Courtesy of Volkswagen United States, Inc.
3) Label and disconnect electrical wiring and vacuum hoses.
Disconnect throttle, cruise and kickdown linkage (if equipped). Remove
air duct from intake manifold. Attach Engine Sling (2024A). See
Fig. 4.
4) Disconnect drive axle from transaxle. See FWD AXLE SHAFTS
article in DRIVE AXLES. Disconnect exhaust pipe from exhaust manifold.
Raise engine and transaxle out of vehicle.
Installation
Reverse removal procedure to complete installation. Use NEW
self-locking nuts and coolant. Ensure engine mounts are installed to
original location. Align all engine supports with mount bushings
before tightening mount bolts. Tighten bolts to specification. See
TORQUE SPECIFICATIONS table at end of article.Fig. 4: Attaching Engine Sling
Courtesy of Volkswagen United States, Inc.

2.8L IN-LINE V6 (VR6)
Article Text (p. 4)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PM
INTAKE MANIFOLD
Removal and installation procedure is not available from
manufacturer. See TORQUE SPECIFICATIONS table at end of article.
EXHAUST MANIFOLD
Removal and installation procedure is not available from
manufacturer. See TORQUE SPECIFICATIONS table at end of article.
CYLINDER HEAD
Removal
1) Removal and installation procedure is not available from
manufacturer. Cylinder head may be removed with engine in vehicle. See
Fig. 5. Match mark all components for installation reference.
2) Remove cylinder head bolts in reverse sequence of
installation. See Fig. 7. Replace cylinder head bolts after loosening
or removing.Fig. 5: Identifying 2.8L VR6 Cylinder Head
Courtesy of Volkswagen United States, Inc.

2.8L IN-LINE V6 (VR6)
Article Text (p. 5)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PM
Inspection
Thoroughly clean all gasket mating surfaces. Check cylinder
head for warpage. Maximum warpage is .004" (.10 mm). Check minimum
cylinder head height and replace cylinder head (if necessary).
NOTE: DO NOT reuse antifreeze after replacing cylinder block,
cylinder head, head gasket, radiator and/or heater core. The
following INSTALLATION information is all that is available
from manufacturer.
Installation
1) Ensure OBEN or TOP marking on cylinder head gasket faces
up. Remove sealer from (2) 3 mm holes and replace with new sealer. See
Fig. 6. Install gasket onto guide pins.
2) Install cylinder head onto cylinder block. Do not use any
type of sealant. Install head bolts and tighten by hand.
3) Tighten cylinder head bolts (in 4 steps) in sequence to
specification. See TORQUE SPECIFICATIONS table at end of article. See
Fig. 7.Fig. 6: Sealing Cylinder Head 3 mm Holes
Courtesy of Volkswagen United States, Inc.Fig. 7: Cylinder Head Bolts Tightening Sequence
Courtesy of Volkswagen United States, Inc.

2.8L IN-LINE V6 (VR6)
Article Text (p. 6)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PM
CRANKSHAFT OIL SEAL
Removal
Install 8.0 mm bolt in belt tensioner hole and remove
accessory drive belt. See Fig. 3. Remove vibration damper. Loosen
inner section of Oil Seal Extractor (3203) about 3 turns (4 mm) and
lock in position with knurled screw. Turn inner section of oil seal
extractor until seal is removed.
Installation
Place guide Sleeve (3266/1) on crankshaft. Push oil seal over
guide sleeve. Using Oil Seal Installer (3266) and vibration damper
bolt, press oil seal in completely. See Fig. 8. Reverse removal
procedure to complete installation.Fig. 8: Installing Crankshaft Oil Seal
Courtesy of Volkswagen United States, Inc.
TIMING CHAIN
Removal
1) Ensure crankshaft is aligned at TDC. Remove transaxle and
bellhousing assembly. Remove torque converter or clutch assembly (as
applicable). Match mark all components to ensure reassembly in
original position.
2) Mark timing chains for direction of travel. Align and
install Camshaft Guide (3268) onto cylinder head bolts. See Fig. 9.
Remove upper and lower chain tensioners. If necessary, remove
intermediate sprocket and camshaft sprocket bolts. Remove timing
chain.

2.8L IN-LINE V6 (VR6)
Article Text (p. 7)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PMFig. 9: Installing Camshaft Guide Onto Cylinder Head
Courtesy of Volkswagen United States, Inc.Fig. 10: Exploded View Of Timing Chain & Related Components
Courtesy of Volkswagen United States, Inc.

2.8L IN-LINE V6 (VR6)
Article Text (p. 8)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PM
Installation
Leave Camshaft Guide (3268) installed. Ensure crankshaft is
aligned at TDC. See Fig. 11. Ensure intermediate shaft is correctly
aligned. See Fig. 12. Install timing chain on sprockets. Reverse
removal procedure to complete installationFig. 11: Aligning Crankshaft At TDC
Courtesy of Volkswagen United States, Inc.

2.8L IN-LINE V6 (VR6)
Article Text (p. 9)
1993 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Wednesday, March 22, 2000 08:47PMFig. 12: Aligning Intermediate Shaft At TDC
Courtesy of Volkswagen United States, Inc.
CAMSHAFT
Removal
Remove valve cover. Place crankshaft at TDC. Remove timing
chain from camshaft sprocket. Remove camshaft bearing caps. Remove
camshaft.
Inspection
Check camshaft bearing oil clearance. See CAMSHAFT table
under ENGINE SPECIFICATIONS at end of article. If oil clearance
exceeds specification, install new camshaft and recheck clearance. If
clearance still exceeds specification, replace cylinder head.
Installation
1) Lubricate all contact surfaces. When installing bearing
caps, ensure identification mark on bearing cap is readable from
exhaust manifold side and arrow points toward vibration damper. See
Fig. 13.
2) Tighten bearing caps No. 1, 3 and 5 alternately in a
diagonal sequence to 15 ft. lbs. (20 N.m). Repeat procedure for
bearing caps No. 2, 4 and 6.
3) To complete installation, reverse removal procedure.
Ensure timing marks are properly aligned. Before starting engine,