Installation Procedure

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Ensure number 1 cylinder is at top dead center.

Fig 1: View Of Cylinder Head Gasket

Courtesy of GENERAL MOTORS CORP.

Assemble the cylinder head, if necessary. Refer to Cylinder Head Assemble .
Install the dowel pins, cylinder head locator, if necessary.
Position a NEW cylinder head gasket to the engine block.

Fig 2: View Of Cylinder Head

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Ensure all wires, components, etc. are out of the way when installing the cylinder head.

Install the cylinder head.

Fig 3: View Of Cylinder Head Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: This component uses torque-to-yield bolts. When servicing this component do not reuse the bolts, New torque-to-yield bolts must be installed. Reusing used torque-to-yield bolts will not provide proper bolt torque and clamp load. Failure to install NEW torque-to-yield bolts may lead to engine damage.

Install NEW cylinder head bolts.

Fig 4: Identifying Cylinder Head Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

Tighten the NEW cylinder head bolts in the following sequence:
Tighten:
1. Tighten the bolts (1-12) in sequence to 30 N.m (22 lb ft) plus an additional 155 degrees using the J 45059 .
2. Tighten the (2 Short) end bolts (14-15) to 7 N.m (62 lb in) plus an additional 60 degrees using the J 45059 .
3. Tighten the (1 Long) end bolt (13) to 7 N.m (62 lb in) plus an additional 120 degrees using the J 45059 .
Install the timing chain and sprockets. Refer to Timing Chain and Sprockets Replacement .
Install the exhaust manifold. Refer to Exhaust Manifold Replacement (3.7L) .