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Camshaft Adjustment (intake), Checking Audi A4 B6

Mechanical 7 illustrations ~299 words

Indicated on display of VAS 5051

Scheme 336

Scheme 336: Camshaft adjustment (intake), checking
Scheme 336: Camshaft adjustment (intake), checking
  1. Press s -button to change into display group 091.

Test requirement

  1. Engine running at idle.

Scheme 337

Scheme 337
Scheme 337

Scheme 338

Scheme 338
Scheme 338
  1. Check specified values in display fields -3- and -4-. see scheme 351
  2. Perform a road test.
  3. Accelerate vehicle in 3rd gear at full throttle from 2000 RPM.
  4. Check specified values in display fields -3- and -4-. see scheme 352 NOTE: For intake camshaft adjustment values, see «SOLENOID VALVE FOR CAMSHAFT ADJUSTMENT, CHECKING»(ref-197058-S08942079552005101100000).

Note. If display field only indicates a value between 3.0° crankshaft rotation and 39.0° crankshaft rotation during a road test, the electrical valve for camshaft adjustment is correctly switching the oil pressure to mechanical camshaft adjuster, but the mechanical camshaft adjuster cannot reach its end position (e.g. due to difficulty of movement).

Scheme 339

Scheme 339
Scheme 339

Indicated on display of VAS 5051

  1. Press s -button to change into display group 092.

Test requirement

  1. Engine running at idle.

Scheme 340

Scheme 340
Scheme 340

Scheme 341

Scheme 341
Scheme 341
  1. Check specified values in display fields -3- and -4-. see scheme 354
  2. Perform a road test.
  3. Accelerate vehicle in 3rd gear at full throttle from 2000 RPM.
  4. Check specified values in display fields -3- and -4-. see scheme 355 NOTE: For intake camshaft adjustment values, see «SOLENOID VALVE FOR CAMSHAFT ADJUSTMENT, CHECKING»(ref-197058-S08942079552005101100000).

Note. If display field only indicates a value between 3.0° crankshaft rotation and 39.0° crankshaft rotation during a road test, the electrical valve for camshaft adjustment is correctly switching the oil pressure to mechanical camshaft adjuster, but the mechanical camshaft adjuster cannot reach its end position (e.g. due to difficulty of movement).

Scheme 342

Scheme 342: Special tools and equipment
Scheme 342: Special tools and equipment
  1. VAG 1526 A
  2. VAG 1527 B
  3. VAG 1594 A
  4. VAG 1598/31
  5. VAS 5051 with VAS 5051/1

Test requirement

  1. VAS5051 tester connected and vehicle On Board Diagnostic (OBD) -01 Engine electronics- selected.

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