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 MANUALSMAZDA1995B4000 2WD V6-4.0L OHVREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSENGINE COMPONENT SPECIFICATIONSCYLINDER BLOCK
1995 Mazda B4000 2WD V6-4.0L OHV
Cylinder Block
1995 Mazda B4000 2WD V6-4.0L OHVSECTION Cylinder Block
Head Gasket Surface Flatness:
0.003 In Any 6 Inches - 0.006 Overall
Finish (RMS) 60 - 150
Crankshaft to Rear Face of Block Runout:
T.I.R. Max. 0.005
Taper Bore Diameter 0.8750 - 0.8760
Main Bearing Bore Diameter 2.3866 - 2.3874
Cylinder Bore:
Diameter 3.9527 - 3.9543
Surface Finish (RMS) 18.38
Out-of Round 0.0015
Out-Of-Round Service Limit 0.005
Taper Service Limit 0.010
0.003 In Any 6 Inches - 0.006 Overall
Finish (RMS) 60 - 150
Crankshaft to Rear Face of Block Runout:
T.I.R. Max. 0.005
Taper Bore Diameter 0.8750 - 0.8760
Main Bearing Bore Diameter 2.3866 - 2.3874
Cylinder Bore:
Diameter 3.9527 - 3.9543
Surface Finish (RMS) 18.38
Out-of Round 0.0015
Out-Of-Round Service Limit 0.005
Taper Service Limit 0.010
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.