Cylinder Head Installation - Left Side (LLT): Procedures

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Cylinder Head Gasket Assembly

Courtesy of GENERAL MOTORS CORP.

Ensure the cylinder head locating pins are securely mounted in the cylinder block deck face.
Install a NEW left cylinder head gasket using the deck face locating pins for retention.

Fig 2: View of Cylinder Head Assembly

Courtesy of GENERAL MOTORS CORP.

Align the left cylinder head with the deck face locating pins.
Place the left cylinder head in position on the deck face.

Fig 3: Cylinder Head Bolts Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

IMPORTANT: DO NOT allow oil on the cylinder head bolt bosses.

IMPORTANT: DO NOT reuse the old M11 cylinder head bolts.

Install new M11 cylinder head bolts.
Tighten:
1. Tighten the M11 cylinder head bolts a first pass in sequence to 45 N.m (33 lb ft).
2. Tighten the M11 cylinder head bolts a second pass in sequence an additional 120 degrees using the J 45059 . See Special Tools .
Install the 2 front M8 left cylinder head bolts.
Tighten:
1. Tighten the M8 cylinder head bolts a first pass to 15 N.m (11 lb ft).
2. Tighten the M8 cylinder head bolts a second pass in sequence an additional 60 degrees using the J 45059 . See Special Tools .