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 MANUALSMAZDA1999PROTEGE LX L4-1.6L DOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSCONNECTING ROD BEARING CLEARNACE
1999 Mazda Protege LX L4-1.6L DOHC
Connecting Rod Bearing Clearnace
1999 Mazda Protege LX L4-1.6L DOHCSECTION Connecting Rod Bearing Clearnace
ROB BEARING CLEARANCES
Bending 0.05 mm (0.0020 in)
Distortion 0.07 mm (0.0028 in)
Center-to-Center Distance 132.85-132.95 mm (5.230-5.234 in)
Oil Clearance Inspection
Standard 0.028-0.048 mm (0.0012-0.0018 in)
Maximum 0.10 mm (0.0039 in)
Connecting Rod Bearing Thickness
Standard 1.504-1.520 mm (0.05922-0.05984 in)
0.25 Undersize 1.629-1.633 mm (0.06422-0.06436 in)
0.50 Undersize 1.754-1.758 mm (0.06914-0.06929 in)
0.75 Undersize 1.879-1.883 mm (o.07406-0.07421 in)
Connecting Rod Side Clearance
Standard 0.110-0.262 mm (0.005-0.010 in)
Maximum 0.30 mm (0.012 in)
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.