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Old 03-01-2012, 11:03 AM
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starting problem

Hi everybody!

Starting problem with 7.3 PSD stick shift.

I've just got my F250 7.3 not so long ago. I spent a lots of time to look aroundand buy someting worth it. I like stick shift a lot, and here in SoCal its not easy to find one. Anyway, the truck looks pretty clean and stock. When I bought it it started easy.

Last few days of use it started to develop some starting issues.
Turned the key, wait for lights, everything looked ok, time to start=> didn`t crank. I heard one click, thats all. After couple of try it did fired up and run good. Next day, first turn and it started up. Same afternoon, needed a few try to start.Yeserday sit at the parking lot about 10 minutes, probably tried 15 times, twice it had starter going a little but stopped. Sit few minutes, turned key again it fired up no problem.This morning 2nd try and was running good.

If you have anybody some ide where to start to look. It seems some kind of electrical problem. I`m gonna check battery, connections and starter tonight.
I read a lots of thread about starting problem, and have a little idea now, but if any of you had someting like what I wrote please help me out.

Thanks for reading,

Kevin
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Old 03-01-2012, 11:10 AM
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I would wager to guess that the problem lies with either the linkage bushing on the pedal assembly, or in the clutch safety switch. Either way, it's nothing too crazy. The switch new is around $40, but the bushing is like $8. Over time, that bushing will wear out, resulting in loss of pedal travel, which prevents the switch from fully disengaging.
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Old 03-01-2012, 12:00 PM
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I think if the problem was with the Safety Sw (clutch sw), you wouldn't hear a "click" though. If you hear a relay attempting to throw or even successfully throwing, you've gotten signal past that point.

You need to post what Year your truck is (not all 7.3's are the same) to know what kind of, and the location of, your starter relay. I would follow that path first. From the relay to the starter's Bendix. Next time it happens, take a hammer to the starter motor itself to see if it fixes it by "reseating" the brushes or Bendix.
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Old 03-01-2012, 01:34 PM
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Its 2000. I`m gonna do the hammer thing next time it happens.
Also clean battery connections, and test batteries.

Where is the starter relay located?

Thanks for the reply and help!
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Old 03-02-2012, 06:37 AM
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On the passenger side, under the hood, above the tire, against the fender.
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Old 03-02-2012, 07:26 AM
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Hi,

Yesterday it took about 15 minutes to and some hummering on the starter to make the truck going. Later that day it started right up when it was warm. I couldn`t find out what what the problem cause it started very well.

This morning it didn`t start. Ignition turned on, wait for the lights out, hood open. I connected with a wire the small and thick red wire coming out from the relay. No cranking. I did jiggle it on the poles and couple of try it was starting up right away.

It seems that the starter might going out of business, probably the brushes worn out.
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Old 03-02-2012, 07:38 AM
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It's either the brushes connection with the commutator or, more likely, the contacts in the Bendix (really another relay Plus the solenoid to engage the starters gear) are not making good contact.
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Old 03-02-2012, 08:05 AM
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I'll get a new starter and change it tonight.

I'll update what if its solve my problem!

Thanks for the help!
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Old 03-05-2012, 10:42 AM
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Update!

Over the weekend I have no problem at all. Starts right up every time I tired.
The weather here in SoCal was nice 80 deg anr around.

I`m gonna check the starter switch I got a use one, and see if that will make any difference!
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Old 03-15-2012, 10:25 PM
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update

Problem gone for a while. I have a starter and a relay ready to change, but it started first try on the last week.
Today it started again when it was cold. I`m gonna change the relay tomorrow and go from there.
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