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 SPECIFICATIONSENGINECAMSHAFT, ENGINESERVICE SPECIFICATIONS
1997 Lexus ES 300 V6-3.0L (1MZ-FE)
Service Specifications
1997 Lexus ES 300 V6-3.0L (1MZ-FE)SECTION Service Specifications
THRUST CLEARANCE
STD 0.040 - 0.090 mm (0.0016 - 0.0035 inch)
Maximum 0.12 mm (0.0047 inch)
CAM LOBE HEIGHT
STD
Intake 42.11 - 42.21 mm (1.6579 - 1.6618 inch)
Exhaust 41.96 - 42.06 mm (1.6520 - 1.6559 inch)
Minimum
Intake 41.96 mm (1.6520 inch)
Exhaust 41.81 mm (1.6461 inch)
JOURNAL DIAMETER 26.949 - 26.965 mm (1.0610 - 1.0616 inch)
JOURNAL OIL CLEARANCE
STD
Intake 0.035 - 0.072 mm (0.0014 - 0.0028 inch)
Exhaust 0.025 - 0.062 mm (0.0010 - 0.0024 inch)
Maximum
Intake 0.10 mm (0.0039 inch)
Exhaust 0.09 mm (0.0035 inch)
CIRCLE RUNOUT (Maximum) 0.06 mm (0.0024 inch)
GEAR BACKLASH
STD 0.020 - 0.200 mm (0.0008 - 0.0079 inch)
Maximum 0.30 mm (0.0188 inch)
GEAR SPRING AND FREE DISTANCE 18.2 - 18.8 mm (0.712 - 0.740 inch)
STD 0.040 - 0.090 mm (0.0016 - 0.0035 inch)
Maximum 0.12 mm (0.0047 inch)
CAM LOBE HEIGHT
STD
Intake 42.11 - 42.21 mm (1.6579 - 1.6618 inch)
Exhaust 41.96 - 42.06 mm (1.6520 - 1.6559 inch)
Minimum
Intake 41.96 mm (1.6520 inch)
Exhaust 41.81 mm (1.6461 inch)
JOURNAL DIAMETER 26.949 - 26.965 mm (1.0610 - 1.0616 inch)
JOURNAL OIL CLEARANCE
STD
Intake 0.035 - 0.072 mm (0.0014 - 0.0028 inch)
Exhaust 0.025 - 0.062 mm (0.0010 - 0.0024 inch)
Maximum
Intake 0.10 mm (0.0039 inch)
Exhaust 0.09 mm (0.0035 inch)
CIRCLE RUNOUT (Maximum) 0.06 mm (0.0024 inch)
GEAR BACKLASH
STD 0.020 - 0.200 mm (0.0008 - 0.0079 inch)
Maximum 0.30 mm (0.0188 inch)
GEAR SPRING AND FREE DISTANCE 18.2 - 18.8 mm (0.712 - 0.740 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.