2004 Mazda 3 L4-2.3LFACTORY OEM SERVICE PROCEDURE

Camshaft, Engine



Camshaft Specifications

Factory service manual diagram




Maximum runout

(Maximum) 0.03 mm {0.0012 in}

Factory service manual diagram




Camshaft standard height (mm {in})

With variable valve timing mechanism

IN: 42.44 {1.671}
EX: 41.18 {1.621}

Without variable valve timing mechanism

IN: 42.12 {1.659}
EX: 41.08 {1.618}

Camshaft minimum height (mm {in})

With variable valve timing mechanism

IN: 42.33 {1.666}
EX: 41.06 {1.616}

Without variable valve timing mechanism

IN: 42.01 {1.653}
EX: 40.96 {1.612}

Factory service manual diagram




Camshaft journal diameter

(Standard) 24.96-24.98 mm {0.9827-0.9834 in}
(Minimum) 24.95 mm {0.982 in}

Factory service manual diagram




Camshaft journal oil clearance

(Standard) 0.03S-O.080 mm {0.0014-0.OO31 in}
(Maximum) 0.09 mm {0.0035 in}

Factory service manual diagram




Camshaft end play

(Standard) 0.09-0.24 mm {0.003S-O.0094 in}
(Maximum) 0.25 mm {0.0098 in}
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.