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 MANUALSMAZDA2009B2300 L4-2.3LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYCONNECTING ROD, ENGINE
2009 Mazda B2300 L4-2.3L
Connecting Rod, Engine
2009 Mazda B2300 L4-2.3LSECTION Connecting Rod, Engine
Connecting Rod
Connecting rod side clearance
(Standard) 0.14-0.36 mm (0.0056-0.0141 in)
(Maximum) 0.435 mm (0.0172 in)
Connecting rod bolt Length
Standard: 44.7-45.3 (1.75-1.781
Maximum: 46.0 (1.81)
Connecting rod bearing oil clearance
(Standard) 0.026-0.052 mm (0.0011-0.0020 In)
(Maximum) 0.1 mm (0.0039 in)
Connecting rod bearing size [LF]
STD: 1.498-1.504 mm (0.0589--0.0592 In)
OSO.25: 1.623-1.629 mm (0.0639-0.0641 In)
Connecting rod bearing size [L3]
STD: 1.496-1.502 mm (0.0589-0.0591 in)
OSO.25: 1.621-1.627 mm (0.0639-0.0641 in)
Connecting Rod Cap Bolts
Tighten the connecting rod bolts in two steps using the SST (49 D032 316).
(1) 26-32 N-m (2.7-3.2 kgf-m, 19.2-23.6 ft-lbf)
(2) 80°-100°
Connecting rod side clearance
(Standard) 0.14-0.36 mm (0.0056-0.0141 in)
(Maximum) 0.435 mm (0.0172 in)
Connecting rod bolt Length
Standard: 44.7-45.3 (1.75-1.781
Maximum: 46.0 (1.81)
Connecting rod bearing oil clearance
(Standard) 0.026-0.052 mm (0.0011-0.0020 In)
(Maximum) 0.1 mm (0.0039 in)
Connecting rod bearing size [LF]
STD: 1.498-1.504 mm (0.0589--0.0592 In)
OSO.25: 1.623-1.629 mm (0.0639-0.0641 In)
Connecting rod bearing size [L3]
STD: 1.496-1.502 mm (0.0589-0.0591 in)
OSO.25: 1.621-1.627 mm (0.0639-0.0641 in)
Connecting Rod Cap Bolts
Tighten the connecting rod bolts in two steps using the SST (49 D032 316).
(1) 26-32 N-m (2.7-3.2 kgf-m, 19.2-23.6 ft-lbf)
(2) 80°-100°
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.