Crankshaft Assembly Overview
Crankshaft Assembly Overview
1 Cylinder block
• Paired to - 12 -
• Sealant applied on cylinder block (for guide frame) => [ Sealant applied on cylinder block (for guide
frame) ]
2 Seals
• Replace
3 Crankshaft seal, ribbed belt side
• Replacing, refer to => [ Crankshaft Seal, Belt Pulley Side, Replacing ] Service and Repair.
4 Alignment bushing
• 2 pieces
• Insert into guide frame
• Installed location => [ Sealant applied on cylinder block (for guide
frame) ]
5 Bolt
• 9 Nm
6 Guide tube for oil dipstick
7 O-ring
• Replace
8 Bolts
• For guide frame
• Replace
• Various bolt sizes
• Tightening order => [ Guide frame tightening sequence ]
9 Baffle plate
10 Bolt
• Tightening order => [ Baffle plate tightening sequence ]
11 Bolt
• For guide frame to cylinder block sealing surfaces
• Different bolt lengths
• Tightening order => [ Guide frame tightening sequence ]
12 Bearing bracket
• Paired to - 1 -
• Sealant applied on cylinder block (for guide frame) => [ Sealant applied on cylinder block (for guide
frame) ]
• Bolt tightening sequence => [ Guide frame tightening sequence ]
13 Thrust washer
• Only at the 4th crankshaft bearing
• Lubricating grooves face outward
• Note locating point in guide frame
• Measuring crankshaft axial clearance, refer to => [ Axial Clearance, Measuring ] Testing and Inspection
14 Bearing shell
• For guide frame without lubricating groove
• Mark used bearing shells
• Insert new bearing shells for guide frame with proper color marking
New crankshafts, refer to => [ Main Bearing Shells, New Crankshafts, Allocating ] Main Bearing Shells, New Crankshafts, Allocating
Used and reworked crankshafts, refer to => [ Main Bearing Shears, Used and Reworked Crankshafts, Allocating ] Main Bearing Shells, Used and Reworked Crankshafts, Allocating
15 Crankshaft
• Measuring axial play, refer to => [ Axial Clearance, Measuring ] Testing and Inspection
• Radial clearance, measuring, refer to => [ Radial Clearance, Measuring ] Radial Clearance, Measuring
• do not turn crankshaft when measuring radial play
• Crankshaft dimensions, refer to => [ Crankshaft Dimensions ] [1][2]Crankshaft, Engine
16 Thrust washer
• Only at the 4th crankshaft bearing
• Lubricating grooves face outward
• Measuring crankshaft axial clearance, refer to => [ Axial Clearance, Measuring ] Testing and Inspection
17 Bearing shell
• For cylinder block with oil groove
• Mark used bearing shells
• Insert new bearing shells for cylinder block with proper color marking
New crankshafts, refer to => [ Main Bearing Shells, New Crankshafts, Allocating ] Main Bearing Shells, New Crankshafts, Allocating
Used and reworked crankshafts, refer to => [ Main Bearing Shears, Used and Reworked Crankshafts, Allocating ] Main Bearing Shells, Used and Reworked Crankshafts, Allocating
18 Seals
• Replace
Baffle plate tightening sequence
- Tighten bolts in - 1 to 16 - sequence.
• 9 Nm
Sealant applied on cylinder block (for guide frame)
- Clean sealing surfaces so they are completely free of any oil or grease.
- Apply sealant beads - arrows - to clean sealing surfaces as shown in illustration.
• Thickness of sealant beads: 2.0 mm.
- Install seals - 1 to 4 -.
Installation position of alignment bushings
- Check whether alignment bushings - arrows - are inserted at locations in guide frame as shown in the illustration.
Guide frame tightening sequence
- Replace bolts - 1 to 20 -.
- Tighten bolts as follows:
- Tighten bolts - 1 to 10 - to 30 Nm.
- Tighten bolts - 11 to 20 - to 20 Nm.
- Tighten bolts - 1 to 10 - to 50 Nm.
- Tighten bolts - 11 to 20 - to 30 Nm.
- Tighten bolts - 1 to 10 - an additional 90° (1/4 turn).
- Tighten bolts - 11 to 20 - an additional 90° (1/4 turn).
- Tighten guide frame to cylinder block sealing surface bolts, - highlighted in illustration but not numbered -, in a diagonal sequence to 9 Nm.