Cylinder Head Installation - Right

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 36660-A Torque Angle Meter
J 42385-100 Head/Main Bolt Thread Repair Kit

CAUTION: Refer to SAFETY GLASSES CAUTION .

NOTE: Clean all dirt, debris, and coolant from the engine block cylinder head bolt holes. Failure to remove all foreign material may result in damaged threads, improperly tightened fasteners or damage to components.

Important: Do not use the cylinder head bolts again. Install NEW cylinder head bolts during assembly.

Do not use any type sealant on the cylinder head gasket, unless specified.

The cylinder head gaskets must be installed in the proper direction and position.

Clean the engine block cylinder head bolt holes, if required.
Thread repair tool J 42385-107 may be used to clean the threads of old threadlocking material.
Spray cleaner GM P/N 12346139, GM P/N 12377981 (Canadian P/N 10953463) or equivalent into the hole.
Clean the cylinder head bolt holes with compressed air.
Check the cylinder head locating pins for proper installation.

Fig 1: Checking Cylinder Head Locating Pins For Proper Installation
Courtesy of GENERAL MOTORS CORP.
Install the NEW right cylinder head gasket onto the locating pins.

Fig 2: Installing Right Cylinder Head Gasket Onto Locating Pins
Courtesy of GENERAL MOTORS CORP.

Important: When properly installed, the tab on the right cylinder head gasket will be located right of center, or closer to the front of the engine, and the words "This Side Up", and the engine displacement will be visible.
Inspect the gasket for proper installation.

Fig 3: Inspecting Gasket For Proper Installation
Courtesy of GENERAL MOTORS CORP.
Install the cylinder head onto the locating pins and the gasket.
Install the NEW cylinder head bolts.

Fig 4: Installing Cylinder Head
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .
Tighten the cylinder head bolts.

Fig 5: Identifying Cylinder Head Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.

Tighten
1. 9.1. Tighten the M11 cylinder head bolts (1-10) a first pass in sequence to 30 N.m (22 lb ft).
2. 9.2. Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using the J 36660-A .
3. 9.3. Tighten the M11 cylinder head bolts (1,2,3,4,5,6,7,8) to 90 degrees and the M11 cylinder head bolts (9 and 10) to 50 degrees a final pass in sequence to using the J 36660-A .
4. 9.4. Tighten the M8 cylinder head bolts (11,12,13,14,15) to 30 N.m (22 lb ft). Begin with the center bolt (11) and alternating side-to-side, work outward, tightening all of the bolts.