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 MANUALSMAZDA1998626 LX L4-2.0L DOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSCRANKSHAFT
1998 Mazda 626 LX L4-2.0L DOHC
Crankshaft
1998 Mazda 626 LX L4-2.0L DOHCSECTION Crankshaft
SPECIFICATIONS
Crankshaft
Crankshaft Runout 0.03 mm (0.0012 inch) max.
Main Journal Diameter
Standard 55.947 - 55.955 mm (2.2023 - 2.2029 inch)
0.25 (0.01) undersize 55.687 - 55.705 mm (2.1924 - 2.1931 inch)
Out Of Round 0.05 mm (0.002) max.
Crankpin Diameter
Standard 47.940 - 47.955 mm (1.8874 - 1.8879 inch)
0.25 (0.01) undersize 47.690 - 47.705 mm (1.8776 - 1.8781 inch)
Main Journal Oil Clearance
Standard 0.024 - 0.050 inch (0.0010 - 0.0019 mm)
Maximum 0.067 mm (0.0026 inch)
Crankshaft End Play
Standard 0.080 - 0.282 mm (0.0032 - 0.011 inch)
Maximum 0.030 mm (0.012 inch)
Crankshaft
Crankshaft Runout 0.03 mm (0.0012 inch) max.
Main Journal Diameter
Standard 55.947 - 55.955 mm (2.2023 - 2.2029 inch)
0.25 (0.01) undersize 55.687 - 55.705 mm (2.1924 - 2.1931 inch)
Out Of Round 0.05 mm (0.002) max.
Crankpin Diameter
Standard 47.940 - 47.955 mm (1.8874 - 1.8879 inch)
0.25 (0.01) undersize 47.690 - 47.705 mm (1.8776 - 1.8781 inch)
Main Journal Oil Clearance
Standard 0.024 - 0.050 inch (0.0010 - 0.0019 mm)
Maximum 0.067 mm (0.0026 inch)
Crankshaft End Play
Standard 0.080 - 0.282 mm (0.0032 - 0.011 inch)
Maximum 0.030 mm (0.012 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.