XJR (X300) L6-4.0L SC (AJ16) (1995)
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Remove the cylinder head bolt from No.2 cap, left-hand camshaft (1 Fig. 3).
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Remove No.2 cap from the left-hand camshaft.
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Fit spacer tool 18G 1435 (2 Fig. 3) to the head.
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Fit and torque tighten the cylinder head bolt.
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Repeat the procedure for Nos 3, 4, 5 and 6 caps, left-hand camshaft (3 Fig. 3).
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Remove the cylinder head bolt from No.7 cap, left-hand camshaft.
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Loosen in sequence the securing bolts from Nos 1 and 7 caps, until the left-hand camshaft is free. Lift the camshaft from the cylinder head and fit
spacer tool 18G 1435 to No. 7 cylinder head bolt position (5 Fig. 3). Fit and torque tighten the bolt.
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Repeat the procedure for the right-hand camshaft.
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Clean all components and examine for wear and damage. Renew all worn or damaged components.
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Lubricate the new left-hand camshaft.
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Fit the camshaft at approximately TDC.
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Lubricate Nos 1 and 7 caps.
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Fit No.1 cap but do not tighten the securing bolts. Remove No.7 cap cylinder head bolt.
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Remove the spacer tool. Fit No.7 cap but do not tighten the securing bolts.
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Finally tighten Nos 1 and 7 cap securing bolts in sequence. Remove No.4 cap cylinder head bolt and remove the spacer tool. Lubricate and fit
No.4 cap.
CAUTION: The cylinder head bolts MUST be renewed during assembly and torque tightened as described in Service Procedures under
Engine Service and Repair, SPS Joint Control System.
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Fit and tighten No.4 cap securing bolts.
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Fit and tighten No.4 cap cylinder head bolt.
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Repeat the procedure for Nos 2, 3, 5 and 6 caps, left-hand camshaft.
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Set the left-hand camshaft to TDC.
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Repeat the procedure for the right-hand camshaft.
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Check and adjust the valve clearances.
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Refit the camshaft cover.