Nissan 11040-21V10 Head Assy-Cylinder

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Scale build-up around the coolant passages should be removed, and a stiff wire brush should be run through the oil holes to eliminate deposits. Additionally, an appropriate size tap should be used in each threaded hole to remove corrosion and thread sealant, with debris cleared using compressed air if available.

1. Insert shop rags into the cylinders to prevent gasket material from falling in. 2. Remove all traces of gasket material from the mating surfaces. 3. Install the new gasket without sealant, using alignment dowels for proper positioning. 4. After removing the shop rags, install the head and tighten the head bolts in the correct sequence to the specified torque. 5. Finally, install the lifter/guide assembly and rocker arm shaft assembly, leaving the bolts loose for timing belt installation, and complete the installation by reversing the removal procedure for the remaining components.

Ensure the head is clean before beginning reassembly, regardless of whether it was sent to an automotive repair shop for valve servicing.

Use the holding lug on the camshaft to secure it with a wrench while loosening the camshaft plate retaining bolt.