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 SPECIFICATIONSPISTON
1995 Mazda B4000 2WD V6-4.0L OHV
Piston
1995 Mazda B4000 2WD V6-4.0L OHVSECTION Piston
Piston Height (a) 0.0015 - 0.0205
Piston Diameter (b):
Standard 3.9524 - 3.9531
Piston to Bore Clearance 0.0008 - 0.0019
Piston Pin Bore Diameter 0.9450 - 0.9452
Ring Groove Width:
Compression:
Top 0.083 - 0.0811
Bottom 0.1197 - 0.1205
Oil 0.1579 - 0.1587
(a) Height of piston above cylinder block surface to TDC position.
(b) Measured 56 mm (2.205 inch) from piston dome at 90° to pin.
Piston Diameter (b):
Standard 3.9524 - 3.9531
Piston to Bore Clearance 0.0008 - 0.0019
Piston Pin Bore Diameter 0.9450 - 0.9452
Ring Groove Width:
Compression:
Top 0.083 - 0.0811
Bottom 0.1197 - 0.1205
Oil 0.1579 - 0.1587
(a) Height of piston above cylinder block surface to TDC position.
(b) Measured 56 mm (2.205 inch) from piston dome at 90° to pin.
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.