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.
1994 Mercury Capri Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Commutator Test
- Clean and polish commutator with No. 400 grit sandpaper (if required). If surface is scored, out of round, or pitted, turn commutator on a lathe.
- Maximum commutator runout and minimum diameter of commutator must not exceed specification after turning. See STARTER MOTOR SPECIFICATIONS table.
- Commutator mica undercut depth should be 0.02-0.03" (0.5-0.8 mm). If undercut depth is not within specification, undercut to standard depth.
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:
- • 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.
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