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Old 14 May 2007, 09:41 pm
Charles
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Default Re: linear shift solenoid goes bad too often

Charles wrote:
> Solenoids need a surge of current when first turned on to pull it in and
> then considerably less to remain activated.


I should also mention that if you have the solenoid connectors apart, measure
the resistance of the solenoids to ground. They're usually less than a few
dozen ohms. If they show several hundred ohms, they're bad. That increased
resistance causes them to heat up more quickly. A hot solenoid core saturates
magnetically and won't release leading to the flaring.

--
Chuck


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