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Pump Replacement 4r100; PWM or not?

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Old 10-27-2013, 10:47 PM
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Pump Replacement 4r100; PWM or not?
I need to replace the pump on 2001 E350's 4R100. I see replacements & reference to PWM and non-PWM pumps. How can I tell which I have?

Mike
 
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Old 10-28-2013, 08:09 AM
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You have a PWM. The non-PWM was only the early 1999 model year.
 
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