For 1990-2009 cars

### Removal Procedure

1. Remove the balance shaft drive chain. Refer to Balance Chain Replacement .

Important:

• | Do not disassemble the balance shaft assembly. Remove and install the balance shaft as a complete assembly.

• | Rotate the balance shaft to check for free rotation. If the balance shaft does not turn free, inspect the balance shaft bearings and bearing surface for damage.

2. Remove and discard the left balance shaft retaining bolt.
3. Remove the left balance shaft assembly.

### Installation Procedure

1. Lubricate the balance shaft bearing journals with clean engine oil.
2. Install the left balance shaft assembly with the counterweight down to prevent damage to the balance shaft bearings.

Notice: Refer to Fastener Notice in the Preface section.

3. Install a new balance shaft retaining bolt.

Tighten
Tighten the bolt to 12 N·m (106 lb in).

4. Install the balance shaft drive chain. Refer to Balance Chain Replacement .