Note: Coat with MoS 2 lubricating paste. Refer to Adhesives, Fluids, Lubricants, and Sealers .
- Install the inlet camshaft (1).
Note: Note the identification marking on the camshaft bearing cover.
- Install the 4 inlet camshaft bearing cover number 2-5.
Caution: Refer to Fastener Caution in the Preface section.
- Install the 8 inlet camshaft bearing cover bolts and tighten in a spiral from the inside to the outside to 8 N·m (71 lb in).
Note: Coat with MoS 2 lubricating paste. Refer to Adhesives, Fluids, Lubricants, and Sealers .
- Install the exhaust camshaft (1).
Note: Note the identification marking on the camshaft bearing cover.
- Install the 4 exhaust camshaft bearing cover number 6-9.
- Install the 8 exhaust camshaft bearing cover bolts and tighten in a spiral from the inside to the outside to 8 N·m (71 lb in).
Note: Sealing surfaces must be free from oil and grease.
- Clean sealing surfaces of the first camshaft bearing support and the cylinder head with a suitable tool.
Clean oil duct from any sealant residue.
Note:
| • | Sealing surfaces (arrows) must be free from oil and grease. |
| • | It is essential to ensure that no sealant is applied outside the marked sealing areas (1). |
| • | The grooves adjacent to the sealing surfaces must remain free from sealant. |
- Apply surface sealant to sealing surfaces of the first camshaft bearing cap thinly and evenly.
- Position the first camshaft bearing cap on the cylinder block and tighten the bolts approximately to 2 N·m (18 lb in).
Note: No sealant may reach the camshafts.
- Install the first camshaft bearing cap.
Note: Note installation sequence 1-4.
- Install the first camshaft bearing cap (1) bolts and tighten to 8 N·m (71 lb in).
- Install 2 NEW seal rings to the camshafts.
- Tighten the seal ring with EN-422 installer (3) on the camshaft until this is in contact with the cylinder head.
- To install, use camshaft sprocket bolt (1) in conjunction with shims (2) with a total thickness of approximately 10 mm.
- Remove the EN-422 installer (3).
