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 MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON, ENGINE
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Piston, Engine
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Piston, Engine
Piston
Diameter 91.975 to 91.989 mm (3.6211 to 3.6216 inch)
Pin Diameter 21.997 to 22.006 mm (0.8660 to 0.8664 inch)
Bushing Inside Diameter 22.005 to 22.014 mm (0.8663 to 0.8667 inch)
Pin To Bushing Oil Clearance
Standard 0.005 to 0.011 mm (0.0002 to 0.0004 inch)
Maximum 0.05 mm (0.0020 inch)
Ring Groove Clearance
No. 1 0.03 to 0.08 mm (0.0012 to 0.0031 inch)
No. 2 0.02 to 0.06 mm (0.0008 to 0.0024 inch)
Oil (Side Rail) 0.03 to 0.11 mm (0.0012 to 0.0043 inch)
Diameter 91.975 to 91.989 mm (3.6211 to 3.6216 inch)
Pin Diameter 21.997 to 22.006 mm (0.8660 to 0.8664 inch)
Bushing Inside Diameter 22.005 to 22.014 mm (0.8663 to 0.8667 inch)
Pin To Bushing Oil Clearance
Standard 0.005 to 0.011 mm (0.0002 to 0.0004 inch)
Maximum 0.05 mm (0.0020 inch)
Ring Groove Clearance
No. 1 0.03 to 0.08 mm (0.0012 to 0.0031 inch)
No. 2 0.02 to 0.06 mm (0.0008 to 0.0024 inch)
Oil (Side Rail) 0.03 to 0.11 mm (0.0012 to 0.0043 inch)
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.