Removal and Installation: Installation

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Turn the crankshaft until No. 1 piston is set at TDC on the compression stroke.

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- The crankshaft key should line up with the RH cylinder center line as shown, below.
Install new cylinder head gaskets.

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CAUTION: Do not reuse cylinder head gaskets.

Inspect the cylinder head bolts before installing the cylinder heads.

CAUTION: Cylinder head bolts are tightened by degree rotation tightening method. Whenever the size difference between d1 and d2 exceeds the limit, replace the bolts with new ones.

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Limit (d1 - d2)

: 0.11 mm (0.0043 in)

Lubricate threads and seat surfaces of the bolts with new engine oil.

Install the cylinder heads on the cylinder block. Tighten the cylinder head bolts in the five steps in the numerical order as shown below, using Tool.

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Tool number

: KV10112100 (BT-8653-A)

Tightening procedure:

Cylinder head bolts
Step a	: 98.1 N.m (10 kg-m, 72 ft-lb) in order
Step b	: Loosen in the reverse order of tightening
Step c	: 39.2 N.m (4.0 kg-m, 29 ft-lb) in order
Step d	: 103 deg. degrees rotation clockwise in order
Step e	: 103 deg. degrees rotation clockwise in order

Fig 1: Cylinder Head Bolt (RH) Tightening Sequence

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Fig 2: Cylinder Head Bolt (LH) Tightening Sequence

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Installation of the remaining components is in the reverse order of removal.