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Fig. 4:  Identifying 2.8L VR6 Cylinder Head (GTI & Jetta - AAA Engine)
Courtesy of Volkswagen United States, Inc.

         2) Remove camshaft position sensor, "O" ring and spacer ring.
Remove bracket for 42-pin connector and water pump. Remove ignition
coil, chain tensioner and seal. Remove camshaft sprocket cover. Remove
cylinder head bolts in reverse order of installation. See Fig. 7.
Replace cylinder head bolts after loosening or removing.

         Removal (Golf & Jetta - AFP Engine)
         1) Remove engine cover. Remove upper intake manifold, fuel
line retainer, cylinder head and gasket. Remove Coolant Return Pump
(V51) and retainer. See Fig. 5. Remove ignition coil bolt and ignition
coil from cover.
         2) Remove "O" ring, chain tensioner and seal ring from cover.
Remove cover bolts and cover from cylinder head. Remove thermostat

Содержание 1998 Jetta

Страница 1: ...tion 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 pulley side of the valve cover and the vehicle identificat...

Страница 2: ...ngine and let idle until it stalls Crank engine for an additional 5 seconds Reinstall fuel pump relay ENGINE NOTE Engine is removed with transaxle attached Removal 1 Obtain radio code Turn ignition of...

Страница 3: ...s are installed to original location Align all engine supports with mount bushings before tightening mount bolts Tighten bolts to specification See TORQUE SPECIFICATIONS Fig 3 Attaching Engine Sling C...

Страница 4: ...er Remove cylinder head bolts in reverse order of installation See Fig 7 Replace cylinder head bolts after loosening or removing Removal Golf Jetta AFP Engine 1 Remove engine cover Remove upper intake...

Страница 5: ...olts in reverse order of installation See Fig 7 Replace cylinder head bolt after loosening or removing Fig 5 Identifying 2 8L VR6 Cylinder Head Golf Jetta AFP Engine Courtesy of Volkswagen United Stat...

Страница 6: ...Fig 7 See TORQUE SPECIFICATIONS 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 C...

Страница 7: ...Remove valve cover Remove camshaft sprocket cover and intermediate shaft cover Match mark all components to ensure reassembly in original position 2 Mark timing chains for direction of rotation Align...

Страница 8: ...shaft Guide 3268 installed Ensure crankshaft is aligned at TDC See Figs 11or 12 Ensure intermediate shaft is correctly aligned See Fig 13 Install timing chain on sprockets Reverse removal procedure to...

Страница 9: ...Fig 12 Aligning Crankshaft At TDC Golf Jetta AFP Engine Courtesy of Volkswagen United States Inc Fig 13 Aligning Intermediate Shaft At TDC Courtesy of Volkswagen United States Inc CAMSHAFT...

Страница 10: ...ing camshaft for cylinders No 1 3 and 5 tighten bearing caps No 3 and 5 alternately in a diagonal sequence to 15 ft lbs 20 N m Repeat procedure for bearing caps No 1 and 7 3 If installing camshaft for...

Страница 11: ...oval Installation 1 Remove center left and right damping pans Drain oil Remove oil pan bolts Remove oil pan using a rubber hammer if necessary Remove sealant residue from cylinder block and oil pan En...

Страница 12: ...Valve 1 34 34 1 Fig 15 Measuring Installed Valve Height Courtesy of Volkswagen United States Inc Valves Measure valve length stem diameter and valve margin If not within specification replace valves...

Страница 13: ...k piston in relation to pin Remove circlips from ends of pin bore Use Piston Pin Replacer Installer VW 222A to remove and install piston pin If pin is too tight heat piston to 140 F 60 C Ensure rod is...

Страница 14: ...Replace or machine as necessary See CRANKSHAFT MAIN CONNECTING ROD BEARINGS table under ENGINE SPECIFICATIONS Tighten evenly to specification in several steps See TORQUE SPECIFICATIONS Crankshaft Main...

Страница 15: ...1L 5 9 Qts 5 6L Oil Pressure Check oil pressure with engine at warm operating temperature Minimum oil pressure at 2000 RPM is 29 psi 2 0 kg cm If oil pressure is incorrect check oil pump and oil pres...

Страница 16: ...verter Bolt 18 25 Exhaust Pipe To Manifold Nut 30 40 Flywheel To Crankshaft Bolt Step 1 44 60 Step 2 Additional 1 4 Turn 90 Degrees Guide Rail Bolt 15 20 Intake Manifold 18 25 Intermediate Shaft Sproc...

Страница 17: ...tandard 003 009 07 23 Service Limit 012 30 Runout 001 03 Main Bearings Journal Diameter 2 361 2 362 59 958 59 978 Journal Out Of Round 001 03 Journal Taper 001 03 Oil Clearance Standard 0008 0020 02 0...

Страница 18: ...ylinder Bore Standard Diameter 3 189 81 01 Maximum Taper 0032 08 Maximum Out Of Round 001 03 OIL PUMP OIL PUMP Application Specification Pump Gear Clearance Radial Maximum 008 20 mm Axial Maximum 0039...

Страница 19: ...0 2 5 mm Valve Guides Intake Valve Valve Guide Installed Height 1 Oil Clearance 2 040 1 0 mm Exhaust Valve Valve Guide Installed Height 1 Valve Stem To Guide Oil Clearance 2 051 1 30 mm 1 Valve guide...

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