Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS1997ES 300 V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCONNECTING ROD, ENGINECONNECTING ROD
1997 Lexus ES 300 V6-3.0L (1MZ-FE)
Connecting Rod
1997 Lexus ES 300 V6-3.0L (1MZ-FE)SECTION Connecting Rod
SERVICE SPECIFICATIONS
Thrust Clearance
STD 0.15 - 0.30 mm (0.0059 - 0.0118 inch)
Maximum 0.35 mm (0.0138 inch)
Connecting Rod Thickness 20.80 - 20.85 mm (0.8189 - 0.8209 inch)
Connecting Rod Bearing Center Wall Thickness
Reference
Mark 1 1.484 - 1.487 mm (0.0584 - 0.0585 inch)
Mark 2 1.487 - 1.490 mm (0.0585 - 0.0587 inch)
Mark 3 1.490 - 1.493 mm (0.0587 - 0.0588 inch)
Mark 4 1.493 - 1.496 mm (0.0588 - 0.0589 inch)
Connecting Rod Oil Clearance
STD 0.038 - 0.064 mm (0.0015 - 0.0025 inch)
Maximum 0.08 mm (0.0031 inch)
Rod Bend
Maximum Per 100 mm (3.94 inch) 0.05 mm (0.0020 inch)
Rod Twist
Maximum Per 100 mm (3.94 inch) 0.15 mm (0.0059 inch)
Bushing Inside Diameter 22.005 - 22.014 mm (0.8663 - 0.8667 inch)
Piston Pin Diameter 21.997 - 22.006 mm (0.8660 - 0.8664 inch)
Bushing Oil Clearance
STD 0.005 - 0.011 mm (0.0002 - 0.0004 inch)
Maximum 0.05 mm (0.0020 inch)
Connecting Rod Bolt Diameter
At Tension Portion
STD 7.2 - 7.3 mm (0.284 - 0.287 inch)
Minimum 7.0 mm (0.276 inch)
TIGHTENING SPECIFICATIONS
Connecting Rod Cap To Connecting Rod
1st Pass 24.5 Nm (18 ft.lb)
2nd Pass Turn Additional 90°
Thrust Clearance
STD 0.15 - 0.30 mm (0.0059 - 0.0118 inch)
Maximum 0.35 mm (0.0138 inch)
Connecting Rod Thickness 20.80 - 20.85 mm (0.8189 - 0.8209 inch)
Connecting Rod Bearing Center Wall Thickness
Reference
Mark 1 1.484 - 1.487 mm (0.0584 - 0.0585 inch)
Mark 2 1.487 - 1.490 mm (0.0585 - 0.0587 inch)
Mark 3 1.490 - 1.493 mm (0.0587 - 0.0588 inch)
Mark 4 1.493 - 1.496 mm (0.0588 - 0.0589 inch)
Connecting Rod Oil Clearance
STD 0.038 - 0.064 mm (0.0015 - 0.0025 inch)
Maximum 0.08 mm (0.0031 inch)
Rod Bend
Maximum Per 100 mm (3.94 inch) 0.05 mm (0.0020 inch)
Rod Twist
Maximum Per 100 mm (3.94 inch) 0.15 mm (0.0059 inch)
Bushing Inside Diameter 22.005 - 22.014 mm (0.8663 - 0.8667 inch)
Piston Pin Diameter 21.997 - 22.006 mm (0.8660 - 0.8664 inch)
Bushing Oil Clearance
STD 0.005 - 0.011 mm (0.0002 - 0.0004 inch)
Maximum 0.05 mm (0.0020 inch)
Connecting Rod Bolt Diameter
At Tension Portion
STD 7.2 - 7.3 mm (0.284 - 0.287 inch)
Minimum 7.0 mm (0.276 inch)
TIGHTENING SPECIFICATIONS
Connecting Rod Cap To Connecting Rod
1st Pass 24.5 Nm (18 ft.lb)
2nd Pass Turn Additional 90°
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.