General (Timing, Check): Repair Instructions

Timing, Check  

  Remove, Disconnect   

Remove alternator V-belt - see operation "V-belt - Alternator, Remove and Install".  

Remove engine vent hose from camshaft housing cover. Remove camshaft housing cover. Remove upper part of front toothed belt cover.  

Remove crankshaft pulley (1) - counterhold on fastening bolt (2) of toothed belt drive pulley.   For vehicles with air conditioning: Release power steering pump V-belt tension - see operation "V-belt for Power Steering Pump, Replace (X 17 DTL, RHD/India Version)" in group "M".   Remove lower part of front toothed belt cover.

  Inspect   

Check toothed belt tension - see operation "Toothed Belt Tension, Check and Adjust ( 17 D)" or "Toothed Belt Tension, Check (17 DR and X 17 DTL)".  

  Adjust   

Turn the crankshaft in the direction of engine rotation to approx. 90 ° (dimension I) before "1st Cylinder TDC" using the fastening bolt (1) for the toothed belt drive pulley.     Inspect    1st cylinder exhaust cam (2) must point vertically upwards.

  Install, Connect   

Insert Dial gauge MKM-571-B (1) in Tool KM-661-1 (2) - arrow on KM-661-1 points towards engine timing side. Attach base (3) Ø 10 mm to dial gauge. To adjust dial gauge, left positioning pins of tool (I+II) must be seated in bores of camshaft housing. Set probe of dial gauge onto basic circle of 2nd cam (intake, 1st cylinder). Set dial gauge to "0" - ensure that the probe is not seated on the cam oil bore!     Important!    The Dial Gauge MKM-571 may be pre-tensioned by max. 0.5 mm, otherwise the resulting measurement will be incorrect.     Install, Connect    Offset Tool KM-661-1 with Dial Gauge to the left. The right positioning pins (III - IV) must be seated in the bores of the camshaft housing.

  Adjust   

Turn crankshaft in direction of engine rotation to "1st Cylinder TDC" - see operation "1st Cylinder TDC, Adjust".  

  Measure   

Read off value on Dial Gauge MKM-571-B.   Camshaft elevation nominal value: 0.55 mm ± 0.03 mm.   Notice:  If the measured result does not agree with the nominal value, adjust timing - see operation "Timing, Adjust".

  Remove, Disconnect   

Remove all retaining and adjusting tools.  

  Install, Connect   

Attach camshaft housing cover to camshaft housing - 8 Nm/6 lbf. ft.  

Attach engine bleeding hose to camshaft housing cover.  

Attach lower part of front toothed belt cover to rear toothed belt cover - tightening torque 4 Nm/ 3 lbf. ft.  

For vehicles with air conditioning: Adjust power steering pump V-belt tension - see operation "V-belt for Power Steering Pump, Replace (X 17 DTL, RHD/India Version)" in group "M".  

Attach crankshaft pulley to toothed belt drive pulley - counterhold on fastening bolt of toothed belt drive pulley - tightening torque 20 Nm/ 15 lbf. ft.  

Attach upper part of front toothed belt cover to rear toothed belt cover - tightening torque 4 Nm/ 3 lbf. ft.  

Install alternator V-belt - see operation "V-belt - Alternator, Remove and Install".