GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Yukon - 2WD 🢒 Engine 🢒 Engine Cooling 🢒 Cylinder Head Replacement

Removal Procedure

    Object Number: 310813 Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the intake manifold from the engine. Refer to Intake Manifold Replacement .
  3. Remove the push rods from the engine. Refer to Valve Rocker Arm and Push Rod Replacement .
  4. Remove the exhaust manifold(s) from the engine. Refer to Exhaust Manifold Replacement .
  5. Remove the generator from the engine. Refer to Generator Replacement in Engine Electrical.
  6. Remove the generator mounting bracket from the engine using the following steps:
    7. 6.1. Remove the three bolts holding the generator mounting bracket to the cylinder head.
    6.2. Remove the bolt behind the power steering pump.
    6.3. Remove the generator mounting bracket and set it aside.

    Object Number: 260114 Size: SH
  7. Remove the bolt holding the oil level indicator tube to the right side cylinder head.
  8. Remove the oil level indicator tube.
  9. Remove the cylinder head (s) from the engine. Refer to Cylinder Head Removal .
  10. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .

Installation Procedure

    Object Number: 310813 Size: SH

    Notice: Make sure that the correct cylinder head gasket is used when re-assembling the engine. Failure to use the correct gasket may result in loss of engine performance or engine damage.

  1. Install the cylinder head (s) to the engine. Refer to Cylinder Head Installation .

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the generator mounting bracket to the left side cylinder head using the four bolts.

    3. Tighten
    Tighten the mounting bracket to the cylinder head bolts to 50 N·m (37 lb ft).


    Object Number: 309149 Size: SH
  3. Tighten the bolt at the rear of the power steering pump.

    4. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).

  4. Install the generator to the engine. Refer to Generator Replacement in Engine Electrical.
  5. Install the exhaust manifold (s) to the engine. Refer to Exhaust Manifold Replacement .
  6. Install the pushrods to the engine. Refer to Valve Rocker Arm and Push Rod Replacement .
  7. Install the intake manifold to the engine. Refer to Intake Manifold Replacement .
  8. Connect the negative battery cable.