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 MANUALSMITSUBISHI2005LANCER L4-2.4L SOHCREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMSTARTER MOTORTESTING AND INSPECTIONCOMMUTATOR CHECK
2005 Mitsubishi Lancer L4-2.4L SOHC
Commutator Check
2005 Mitsubishi Lancer L4-2.4L SOHCSECTION Commutator Check
COMMUTATOR CHECK
1. Place the armature on a pair of V-blocks, and check the deflection by using a dial gauge.
Standard value: 0.05 mm (0.002 inch)
Limit: 0.1 mm (0.004 inch)
2. Check the outer diameter of the commutator.
Standard value: 29.4 mm (1.16 inch)
Minimum limit: 28.8 mm (1.13 inch)
3. Check the depth of the undercut between segments.
Standard value: 0.5 mm (0.02 inch)
Minimum limit: 0.2 mm (0.008 inch)
1. Place the armature on a pair of V-blocks, and check the deflection by using a dial gauge.
Standard value: 0.05 mm (0.002 inch)
Limit: 0.1 mm (0.004 inch)
2. Check the outer diameter of the commutator.
Standard value: 29.4 mm (1.16 inch)
Minimum limit: 28.8 mm (1.13 inch)
3. Check the depth of the undercut between segments.
Standard value: 0.5 mm (0.02 inch)
Minimum limit: 0.2 mm (0.008 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.