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Home >> Pontiac >> 1991 >> LeMans Base >> Repair and Diagnosis >> Electrical >> Starter >> Starting System >> Bench Testing >> Preliminary Tests

Preliminary Tests

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Disconnect negative battery cable. Remove starter from vehicle. Ensure pinion moves freely on screw shaft. Ensure armature rotates freely by prying pinion with a screwdriver. If armature does not turn freely, motor should be disassembled. If armature does rotate freely, perform STARTER NO-LOAD TEST  before disassembly.