Truck won't start. No crank, just clicks - Ford Powerstroke Diesel Forum
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Old 05-28-2013, 06:03 PM
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Truck won't start. No crank, just clicks

Truck (2000 F250 7.3L auto) seems to have power. Both batteries read 11.8 volts. Wait to start comes on, but then the truck just clicks repeatedly when attempting to start. Tried jumping the passenger fender starter relay. Replaced the starter with another reman since it was under lifetime warranty. They didn't bother to bench test it, so no idea if it was bad. The clicking noise seems to be coming from one of the two relay looking devices in the top center of the motor (one of which I assume would be the glow plug relay?). I thought at first that the A/C clutch bearings had seized up, since my A/C recently stopped working. However, when I removed the belt, the pulley spun freely, and I don't see any red dust. The battery cables look good based upon visuals, no corrosion evident.

Any ideas?

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Old 05-28-2013, 08:46 PM
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Have you tried turning the engine over with a wrench at the crankshaft?

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Old 05-29-2013, 04:53 AM
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I haven't. I suppose I'll try that when I get home this evening. Would the purpose of that be to just see if all pulleys are moving freely?
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Old 05-29-2013, 05:17 AM
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Just to make sure it didn't somehow hydro lock or something. Or yes maybe a bearing seized on one of the accessories.

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Old 05-29-2013, 11:28 AM
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11.8 volts is pretty low for a cold crank.
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Old 05-29-2013, 01:39 PM
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11.8v is low but you should still get some movement. Did you try jumping the starter? There is a small lug that you can short to the larger lug or better yet just use a meeter to check that you have power at the large lug all the time and the small one while turning the key.
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Old 05-29-2013, 02:22 PM
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I believe that I tried to jump the starter selenoid and got nothing but some sparks. I'll try that again when I get home.

Also, does anyone think it has anything to do with either the glow plug or AIH relay? there is some serious clicking going on in that area. (also - the windshield wipers seem to be on the lowest intermittent setting, even though the wipers are turned off).
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Old 05-29-2013, 03:01 PM
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First, it has NOTHING to do with either the GPR or the AIH, neither would cause a no crank (won't even prevent starting unless it's Really Cold out)

Next, where did you get the 11.8v from? When did it read that?

Here's what's important, use the "Outlet" (cig ltr) in the cab and see what IT says when you roll the key to crank over on the starter. What's the voltage Then? You can also turn the Headlight ON and have someone try to crank it and see if they go almost Out or Very dim.

IF you have over 10v when you try to crank it over, next I would crawl under there and give the Starter body a few good Whacks with a hammer (can dislodge stuck stuff like brushes or Bendix)

Jumping the solenoid is a good way to test if it's bad, you've done that so I'm leaning towards the Starter or Batteries (or cables & grounds to it).
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Old 05-29-2013, 04:39 PM
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Crank moves, but not all that easily. All other pulleys spin freely. Power point reads 11.16 with key in, drops to 6 momentarily before returning to 10.8 or so with key in on. On start, drops to 6 while holding the key in start, then returns to around 9.8 in release.
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Old 05-29-2013, 04:42 PM
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Batteries
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