Tools Required
• | J 42385-100
Thread Repair Kit (Cylinder Head/Main Bearing Bolt) |
Removal Procedure
- Remove the valve rocker arms and pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.
- Remove the engine coolant air bleed pipe and covers. Refer to
Coolant Air Bleed Pipe Assembly Replacement
.
- Remove the exhaust manifold. Refer to
Exhaust Manifold Replacement - Right Side
.
- Remove the oil level indicator tube bolt.
- Reposition the oil level indicator tube, if necessary.
- Remove the wiring harness from the clip at the rear of the cylinder head.
Important: The cylinder head bolts are NOT reusable.
- Remove the cylinder head bolts.
Notice: After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing
surfaces.
- Remove the cylinder head.
- Remove the cylinder head gasket (217).
- Discard the gasket.
- Discard the cylinder head bolts.
- Clean and inspect the cylinder head. Refer to
Cylinder Head Cleaning and Inspection
.
Installation Procedure
Caution: Wear safety glasses in order to avoid eye damage.
Notice: 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 of 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 into the hole. Refer to
Adhesives, Fluids, Lubricants, and Sealers
for the correct part number.
- Clean the cylinder head bolt holes with compressed air.
- Install the cylinder head locating pins (230).
- Inspect the locating pins for proper installation.
- Inspect the displacement markings on the gasket for proper usage.
- Install the NEW cylinder head gasket (217) onto
the locating pins.
- Install the cylinder head (218) onto the locating pins and the gasket.
- Install the NEW cylinder head bolts (220, 221).
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the cylinder head bolts.
Tighten
- Tighten the M11 cylinder head bolts (1-10) a first pass in sequence to 30 N·m (22 lb ft).
- Tighten the M11 cylinder head bolts (1-10) a second pass in sequence to 90 degrees using the
J 45059
.
- Tighten the M11 cylinder head bolts (1-10) a final pass in sequence to 70 degrees using the
J 45059
.
- Tighten the M8 cylinder head bolts (11-15) 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.
- Install the wiring harness to the clip at the rear of the cylinder head.
- Position the oil level indicator tube into place.
- Install the oil level indicator tube bolt.
Tighten
Tighten the oil level indicator tube bolt to 25 N·m (18 lb ft).
- Install the exhaust manifold. Refer to
Exhaust Manifold Replacement - Right Side
.
- Install the engine coolant air bleed pipe. Refer to
Coolant Air Bleed Pipe Assembly Replacement
.
- Install the valve rocker arms and pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.