Cylinder Block Assembly: Specifications

2009 Lexus ES 350 V6-3.5L (2GR-FE)SECTION Specifications
CYLINDER BORE DIAMETER
Standard diameter: 94.000 to 94.012 mm (3.7008 to 3.7013 in.)
Maximum diameter: 94.200 mm (3.7087 in.)

MAIN BEARING

Step 1





Install and uniformly tighten the 16 main bearing cap bolts in the sequence shown in the illustration.
Torque: 61 Nm (622 kgf-cm, 45 ft-lbf)

Step 2





Mark the front of the bearing cap bolts with paint.
Retighten the bearing cap bolts 90° in the order above.
Check that the painted mark is now at a 90° angle to the front.





Install 8 new seal washers and uniformly tighten the 8 main bearing cap bolts in several steps and in the sequence shown in the illustration.
Torque: 52 Nm (525 kgf-cm, 38 ft-lbf)

Bolt length:





CYLINDER BLOCK FOR WARPAGE
Maximum warpage: 0.07 mm (0.0028 in.)

CRANKSHAFT
Maximum circle runout: 0.06 mm (0.0024 in.)
Standard journal diameter: 60.988 to 61.000 mm (2.4011 to 2.4016 in.)
Maximum taper and out-of-round: 0.02 mm (0.0008 in.)
Crankshaft pin diameter: 52.992 to 53.000 mm (2.0863 to 2.0866 in.)

CRANKSHAFT OIL CLEARANCE
Standard oil clearance: 0.026 to 0.047 mm (0.0010 to 0.0019 in.)
Maximum oil clearance: 0.050 mm (0.0020 in.)

CRANKSHAFT THRUST CLEARANCE
Standard thrust clearance: 0.04 to 0.24 mm (0.0016 to 0.0094 in.)
Maximum thrust clearance: 0.30 mm (0.0118 in.)
Thrust washer thickness: 2.43 to 2.48 mm (0.0957 to 0.0976 in.)

CONNECTING ROD THRUST CLEARANCE
Standard thrust clearance: 0.15 to 0.40 mm (0.0059 to 0.0157 in.)
Maximum thrust clearance: 0.50 mm (0.020 in.)

CONNECTING ROD OIL CLEARANCE
Standard oil clearance: 0.045 to 0.067 mm (0.0018 to 0.0026 in.)
Maximum oil clearance: 0.070 mm (0.0028 in.)

CONNECTING ROD DIAMETER:





CONNECTING ROD BEARING CENTER WALL THICKNESS:





Maximum out-of-alignment: 0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
Maximum twist: 0.15 mm (0.0059 in.) per 100 mm (3.94 in.)

CONNECTING ROD BOLT
Standard diameter: 7.2 to 7.3 mm (0.284 to 0.287 in.)
Minimum diameter: 7.0 mm (0.276 in.)

PISTON SUB-ASSEMBLY WITH CONNECTING ROD

Step 1





Install and alternately tighten the bolts of the connecting rod cap in several steps.
Torque: 25 Nm (255 kgf-cm, 18 ft-lbf)

Step 2





Mark the front side of each connecting rod cap bolt with paint.
Retighten the cap bolts 90° as shown in the illustration.
Check that the painted mark is now at a 90° angle to the front.

PISTON SUB-ASSEMBLY WITH PIN
Distance: 8.9 mm (0.3504 in.)
Standard diameter: 93.960 to 93.980 mm (3.6992 to 3.7000 in.)
Minimum diameter: 93.830 mm (3.6941 in.)

PISTON OIL CLEARANCE
Standard oil clearance: 0.020 to 0.052 mm (0.0008 to 0.0020 in.)
Maximum oil clearance: 0.060 mm (0.0024 in.)

RING GROOVE CLEARANCE




PISTON RING END GAP

Standard end gap:





Maximum end gap:





CRANKSHAFT PULLEY TORQUE
Torque: 250 Nm (2550 kgf-cm, 184 ft-lbf)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.