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2.0L Engine Mechanical - Aba (A3 Platform): Overview Volkswagen Jetta III

Mechanical 1 illustration ~107 words

Camshaft identification and timing

Identification

Scheme 78

Scheme 78: Camshaft identification and timing
Scheme 78: Camshaft identification and timing
  1. Cam lobe base circle -a-: 34 mm (1.338 in.)

Identification numbers and letters are stamped between intake and exhaust cam lobes

  1. Cylinder No. 1, marking at arrow I is "B"
  2. Cylinder No. 3, marking at arrow II is "037"

Timing at 1 mm valve stroke

  1. Intake opens: 6.3° after TDC
  2. Intake closes: 44.5° after BDC
  3. Exhaust opens: 41.7° before BDC
  4. Exhaust closes: 3.5° before TDC

Lubrication system, general information

CAUTIONIf large amounts of metal shavings or small metal particles are found in the engine oil, caused by wear of crankshaft and connecting rod bearings, thoroughly clean the oil passages to remove contaminants and help prevent later damage. The oil cooler cannot be sufficiently cleaned, and must be replaced. The oil level must NOT exceed the MAX mark on the dipstick. If this level is exceeded (too much oil) the catalytic converter may be damaged.

Note. Oil pressure and oil pressure switches, checking, see OIL PRESSURE AND OIL PRESSURE SWITCHES, CHECKING . Engine oil specifications, see Owner's Manual.

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