Valve Rocker Arm, Push Rod, and Stud Replacement. Chevrolet Corsica 1996

For 1990-2009 cars

### Removal Procedure

1. Remove the negative battery cable. Refer to

   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.

   in General Information.
2. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .

Important: Place the components in a rack in order of disassembly so they can be reinstalled at the same location and with the same mating surface as when removed.

3. Remove the rocker arm nut.
4. Remove the rocker arm and the ball.
5. Remove the pushrod.

### Installation Procedure

Important: Whenever new rocker arms and/or rocker arm balls are being installed, coat the bearing surfaces of the rocker arms and the rocker arm balls with camshaft assembly lube GM P/N 1052365 or equivalent.

1. Install the pushrods, making sure that they seat in the lifters.
2. Install the rocker arm and the ball.
3. Apply Dri-Slide Moly lubricant GM P/N 1052948 or equivalent to the threads of the stud.
4. Install the rocker arm nuts.

Tighten
Tighten the nuts to 30 N·m (22 lb ft).

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.

5. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
6. Connect the negative battery cable.