Intake Camshaft Balance Shaft

Intake Camshaft Balance Shaft

Removing
- Remove the coolant pump toothed belt.
- Remove the camshaft timing chain.
- Remove the balance shaft timing chain.





- Remove the intermediate shaft sprocket -1-.





- Remove the intake camshaft balance shaft -2-.

Installing
- Lubricate the balance shaft bearing with engine oil.
- Install the intake camshaft balance shaft.





- Replace the O-ring -1- and coat with engine oil.
- Coat the mounting pin with engine oil and insert it. The alignment pin -arrow- for the mounting pin must engage in the hole in the cylinder block.

CAUTION: Always replace the intermediate shaft sprocket. Otherwise the backlash will not adjust itself and it could result in engine damage.
The new intermediate shaft sprocket has an anti-friction coating that wears off after a short period of use, which automatically adjusts the backlash.





- Mark the tooth face on the intermediate shaft sprocket with paint -arrows-.
- Install the intermediate shaft sprocket; the marking on the balance shaft must be between the markings on the tooth faces.





- Tighten the intermediate shaft sprocket bolt -1- : Tightening sequence.
- Check the markings on the intermediate shaft sprocket/balance shaft -arrow-.
- Installation is performed in the reverse order of removal, noting the following:
- Install the balance shaft timing chain.
- Install camshaft timing chain.
- Install the lower timing chain cover.
- Install timing chain upper cover.
- Install the ribbed belt tensioner.
- Install ribbed belt.
- Adjust powertrain mount.
- Replace the coolant pump drive seal.
- Install the coolant pump toothed belt.
- Adjust powertrain mount.
- Replace the coolant pump drive seal.
- Install the coolant pump toothed belt.