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Cylinder Head Installation

Special Tools

    • EN-470-B Angle Meter
    •  GE-571-B Dial Gauge
    • EN-50437 Height Gauge - Piston TDC

For equivalent regional tools, refer to Special Tools .

Cleaning Procedure

Note: Ensure that the cylinder head and the cylinder block sealing surfaces are clear of oil, grease and old gasket material.

Clean the engine block in order to assure a proper measurement. Refer to Engine Block Cleaning and Inspection .

Choose the Gasket


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  1. Align TDC of the piston 1.
  2. Measure the piston projection thickness, using the EN-50437 height gauge - piston TDC .
  3. Repeat the measuring process for the cylinders 2, 3, 4 and average the measured piston projection values.
  4. Choose the cylinder head gasket according the specifications below.

Piston Projection (mm)

Gasket Thickness (mm)

0.21-0.30

1.05 (1 U-Groove)

0.31-0.39

1.15 (2 U-Grooves)

0.40-0.49

1.25(3 U-Grooves)

Installation Procedure


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  1. Install the cylinder head (3) and a NEW gasket (4).
  2. Note: DO NOT tighten the bolts yet.

  3. Install the 10 NEW cylinder head retaining bolts (2).
  4. Caution: Refer to Fastener Caution in the Preface section.

    Caution: Refer to Torque-to-Yield Fastener Caution in the Preface section.


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  5. Tighten the NEW cylinder head retaining bolts (2) in 4 steps in sequence as shown in the graphic above:
  6. 3.1. First step 30 N·m (22 lb ft)
    3.2. Second step 100 N·m (74 lb ft)
    3.3. Third step 90°. Use the EN-470-B angle meter .
    3.4. Fourth step 90°. Use the EN-470-B angle meter .

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  7. Install the camshaft seat guide (1).
   


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