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What is the Proton Wira cylinder head bolt torque specs?

The Proton Saga Iswara or Wira is equipped with a 1.3-liter, 4-cylinder, engine that produces 88hp and 107Nm of torque. Here are the cylinder head bolt torque specifications for this engine:

Step 1: Tightening Sequence:

1. Begin tightening the cylinder head bolts from the center, working your way outward in a cross pattern.

Step 2: Initial Tightening:

1. Tighten each cylinder head bolt to 25 Nm (18 lb-ft).

Step 3: Final Tightening:

After the initial tightening, wait for about 10 minutes to allow for any material relaxation or settling. Then, perform the final tightening by turning each bolt an additional 90 degrees in the same cross pattern.

Ensure that you follow these specifications accurately to achieve proper cylinder head sealing and prevent any potential issues.

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