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Fiat Croma Factory Service Manual (2005-2010)08 · Engine
08 · Engine

Valve tappets - check and adjust clearance, if necessary

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Timing system › Valve tappets - check and adjust clearance, if necessary
EngineValve tappets - check and adjust clearance, if necessary

VALVE TAPPETS - CHECK AND ADJUST CLEARANCE, IF NECESSARY

Operation 1036H10 · TAPPETS AND ROCKER SHAFTS

1.9 JTD 8v

Op. 1016A10 SOUND-PROOFING COVER - R.R

Op. 1036H14 VALVE TAPPETS - CHECK CLEARANCE

1. Lower the tappet in question using the tool.

ToolDescriptionFunctionValidity
1860443000LeverLower valve tappets1.9 JTD 8V

2. Fit the tool for keeping the tappet lowered, then remove the pressure lever positioned previously.

ToolDescriptionFunctionValidity
1860724001LeverKeep valve tappets lowered1.9 JTD 8V

3. Remove the valve clearanance adjustment plate and replace it with a one of a suitable thickness.

- Remove the tool for keeping the tappet lowered.

- Continue, repeating the procedure described for the remaining valves.

VALVE TAPPETS - CHECK AND ADJUST CLEARANCE, IF NECESSARY

Op. 1016A10 SOUND-PROOFING COVER - R.R

1.8

Removing

Op. 1016A40 IGNITION COIL COVER ON CYLINDER HEAD - R+R

Op. 5510C14 IGNITION COIL/S - R.R.

Op. 1016A20 SINGLE TAPPET COVER -R.R AND REPLACE GASKET

- Adjust the bolt fixing the auxiliary shaft drive pulley until the valve concerned is in the closed position (cams facing upwards).

1. With the engine cold, use a feeler gauge to check that the valve clearance is within the specified limits with the valves closed.

MeasurementValueValidity
Inlet valve clearance in closed position (mm)0.21 ÷ 0.291.8
MeasurementValueValidity
Exhaust valve clearance in closed position (mm)0.27 ÷ 0.351.8
VALVE TAPPETS - CHECK AND ADJUST CLEARANCE, IF NECESSARY

- If the tappet clearance is not within the recommended tolerance, remove the camshaft involved and replace the cups selecting the size according to the required clearance.

The tappet cups are graded according to size and therefore the list of Spare Parts should be consulted when selecting the new cup to be fitted. The code is on the cup crown.

Op. 1036C41 PHASE TRANSFORMER ON OVERHEAD CAMSHAFT (ONE) INTAKE EXHAUST ON CYLINDER HEAD - R.R.

Op. 1008B10 POWER UNIT FRONT SUPPORT FLEXIBLE MOUNTING (TIMING SIDE) - REPLACE

Op. 1008A46 POWER UNIT RIGID SUPPORT - TIMING SIDE - R.R.

Op. 1032C10 TIMING SYSTEM MOVING TENSIONER - R.R WITH TIMING BELT/CHAIN REMOVED

Op. 1032D31 PROTECTIVE TIMING INNER COVER - R.R. WITH TIMING BELT REMOVED

Op. 1036C10 CAMSHAFTS IN CAMSHAFT HOUSING - R.R - INCLUDES CAMSHAFT HOUSING REPLACEMENT, IF NECESSARY

1. Remove the cup involved in the adjustment from its housing.

VALVE TAPPETS - CHECK AND ADJUST CLEARANCE, IF NECESSARY

Refitting

- Place the new cup in position.

Op. 1036C10 CAMSHAFTS IN CAMSHAFT HOUSING - R.R - INCLUDES CAMSHAFT HOUSING REPLACEMENT, IF NECESSARY

Op. 1032D31 PROTECTIVE TIMING INNER COVER - R.R. WITH TIMING BELT REMOVED

Op. 1032C10 TIMING SYSTEM MOVING TENSIONER - R.R WITH TIMING BELT/CHAIN REMOVED

Op. 1008A46 POWER UNIT RIGID SUPPORT - TIMING SIDE - R.R.

Op. 1008B10 POWER UNIT FRONT SUPPORT FLEXIBLE MOUNTING (TIMING SIDE) - REPLACE

Op. 1036C41 PHASE TRANSFORMER ON OVERHEAD CAMSHAFT (ONE) INTAKE EXHAUST ON CYLINDER HEAD - R.R.

- After fitting the new cups, repeat the procedure for checking the tappet clearance.

Op. 1016A20 SINGLE TAPPET COVER -R.R AND REPLACE GASKET

Op. 5510C14 IGNITION COIL/S - R.R.

Op. 1016A40 IGNITION COIL COVER ON CYLINDER HEAD - R+R

Parts & tools for this job For 2005 Fiat Croma

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