2007 Ford Expedition 4WDFACTORY OEM SERVICE PROCEDURE

General Specifications

GENERAL SPECIFICATIONS

Item Specification
Starting System 
Normal engine cranking speed 140-220 rpm
Starter motor armature shaft maximum runout 0.11 mm (0.004 in)
Starter motor brush manufactured length 16.8 mm (0.66 in)
Starter motor brush spring tension 18 N (65 oz)
Starter motor commutator maximum runout 0.12 mm (0.005 in)
Starter motor diameter 101.6 mm (4.0 in)
Starter motor maximum load 800 amps
Starter motor minimum stall torque (at 5 volts) 14.7 N.m (10.8 lb-ft)
Starter motor no load current draw 60-80 amps
Starter motor normal load current draw 130-220 amps
Starter circuit maximum voltage drop (engine at normal operating temperature) 0.5 volts
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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