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post #1 of (permalink) Old 12-19-2001, 10:15 AM
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Starter prob

When it is cold out I have problems lately getting the Bronco to start. I have a high torque mini starter in it and the 351/E4OD. When you turn the key you can hear the relay click and the starter pinion engage the flywheel, but it can't turn it. It usually takes about 2-10 tries at turning the key until it will finally spin the motor. Once it does though it usually cranks it at normal speed. The starter is about 3 years old or so and is sitting under one of my two leaking valve covers. I don't think the engine is seizing or sticking because it runs strong. Could my starter finally just be getting old, or should I check something electrical. All connections are tight and clean and the Optima is fully charged. Only seems to happen when cold. If it is the starter should I have it rebuilt or just replace it with an auto store lifetime one. I like the high torque, but don't want to pay 2-3 hundred bucks for another one. Thanks.

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post #2 of (permalink) Old 12-19-2001, 11:35 PM
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Re: Starter prob

Sounds like you need a new starter.
As much as I know about those high torque starters, you've probably surpassed the designed life of the unit already.

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85 Bronco XLT, '69 351W, C6-Shift Kit, 9"-Detroit, Dana 44-Tru Trac, 2" Lift, 33X12.5s
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post #3 of (permalink) Old 12-20-2001, 05:02 AM
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Re: Starter prob

Check the voltage at the battery and at the starter terminal DURING cranking - it should be the same, AND above 10V. If the battery is low... there's your problem.

If the starter voltage is low, try to crank again and hold the key if it doesn't turn - this will cause the points of high resistance to get hot, and you can find them. Pull the hot connections and clean them with a wire brush, then tighten them securely.

If the starter is the ONLY thing hot, it's the starter motor.

If NOTHING is hot, it's the starter's internal relay.

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