Installation

1NR-FE ENGINE MECHANICAL: CYLINDER HEAD GASKET: INSTALLATION

1. INSTALL CYLINDER HEAD GASKET

(a) Apply seal packing to a new cylinder head gasket as shown in the illustration.





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Seal packing:

Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

NOTICE:
* Clean the sealing surfaces of the cylinder head gasket, cylinder head and cylinder block.
* Apply seal packing to the bead on the cylinder head gasket.
* Install the cylinder head within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.

(b) Place the gasket on the cylinder block surface with the Lot No. stamp facing upward.





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NOTICE:
* Remove any oil from the contact surface.
* Make sure that the gasket is installed in the correct direction.

2. INSTALL CYLINDER HEAD SUB-ASSEMBLY





NOTICE:
The cylinder head bolts are tightened in 2 progressive steps.

(a) Apply a light coat of engine oil to the bolt threads and the area beneath the bolt heads that come in contact with the washers.

(b) Install the bolts and plate washers to the cylinder head.

NOTICE:
Do not drop the washers into the cylinder head.

(c) Using several steps, uniformly install and tighten the 10 cylinder head bolts and 10 plate washers with a 10 mm bi-hexagon wrench in the order shown in the illustration.

Torque : 32 Nm (326 kgf-cm, 24 ft-lbf)

(d) Mark the front side of the cylinder head bolts with paint.





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(e) Retighten the cylinder head bolts an additional 90°, and then once more 90° as shown in the illustration.

NOTICE:
Do not tighten the same bolt twice consecutively.

(f) Check that the paint mark is now at a 180° angle to the front.

(g) After tightening the cylinder head bolts, wipe off the seal packing material that seeped out from the contact surface between the cylinder head and cylinder block.





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NOTICE:
* Be sure to wipe off the seal packing from inside to outside, parallel to the joint line.
Be sure to avoid clogging the bolt holes when wiping off the seal packing.

3. INSTALL CAMSHAFT

Installation