Timing Chain Covers Assembly Overview
Timing Chain Covers Assembly Overview
1 Bolt
• Tightening specification and sequence => [ Lower timing chain cover, tightening specifications and sequence ]
2 Transmission-side crankshaft sealing ring
• Replacing, refer to => [ Transmission-Side Crankshaft Sealing Ring, Replacing ] Service and Repair.
3 Alignment bushing
• 2 pieces
4 Left cylinder head gasket
5 Bolt
• Tightening specification and sequence => [ Left timing chain cover, tightening specifications and sequence ]
6 Left timing chain cover
• Removing and installing, refer to => [ Left and Right Timing Chain Covers ] Left and Right Timing Chain Covers
7 O-ring
• Replace
8 Left coolant intermediate pipe
• Drive out with drift
9 O-ring
• Replace
10 Bolt
• Tightening specification and sequence => [ Right timing chain cover, tightening specifications and sequence ]
11 Right timing chain cover
• Removing and installing, refer to => [ Left and Right Timing Chain Covers ] Left and Right Timing Chain Covers
12 O-ring
• Replace
13 Right coolant intermediate pipe
• Drive out with drift
14 O-ring
• Replace
15 Right cylinder head gasket
16 Alignment bushing
• 2 pieces
17 Lower timing chain cover
• Removing and installing, refer to => [ Lower Timing Chain Cover ] Lower Timing Chain Cover
Left timing chain cover, tightening specifications and sequence
- Tighten bolts to 9 Nm in sequence - 1 to 8 -.
Right timing chain cover, tightening specifications and sequence
- Tighten bolts to 9 Nm in the sequence - 1 to 8 -.
Lower timing chain cover, tightening specifications and sequence
- Replace M6 bolts - 1, 3, 5, 6, 7, 11, 12, 13 - and - arrows -.
- Tighten bolts in 6 stages as follows:
- Insert bolts - arrows - with locking compound and pre-tighten to 5 Nm.
- Tighten bolts - 1 to 13 - in a diagonal sequence to 8 Nm using a torque wrench.
- Tighten bolts - arrows - to 8 Nm.
- Tighten M8 bolts - 2, 4, 8, 9, 10 - in a diagonal sequence to 22 Nm.
- Rotate M6 bolts - 1, 3, 5, 6, 7, 11, 12, 13 - an additional 90° (1/4 turn) in a diagonal sequence.
- Tighten bolts - arrows - an additional 90° (1/4 turn).