7.3 starter
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Freshman User
Joined: Aug 2010
Posts: 26
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Yes. I was told that the starter is bad because it was pulling 400 amp while turning over. But it turns over normal speed, it's just that the motor has to turn over about 20 seconds before it fires. I was going to check the glow plug controller.
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Freshman User
Joined: Aug 2010
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The mechanic that told me the starter was bad, works mainly on gas engines and I was not sure that he was correct, that is why I posted the question here.
I haven't removed the starter so I don't know what starter is in it. The truck now has 74,000 miles so probably has the origional starter.
I haven't removed the starter so I don't know what starter is in it. The truck now has 74,000 miles so probably has the origional starter.
Cargo Master
Joined: Mar 2010
Posts: 2,227
Likes: 149
From: Higginsville, MO
been having issues starting mine too..... when the engine is hot (40 miles of driving pulling small trailer 2K LBS) the glow plugs don't glow due to warm engine and its been sitting for say 1 hr im in central missouri so its pretty hot outside it cranks and cranks and cranks and eventually fires.... its not air intrusion there is no white smoke i just did a return line kit about a month ago and had no leaking issues and when the GP's run it fires right up.... but it doesn't sound like its turning over as fast as it used to.... the batteries are age unknown.... starter is pretty clean like it could be fairly new but i didn't put it on so i don't know the age on that either. would batteries be my culprit?
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
Swing by most any of the box store parts places and have the batteries load tested.
But one thing, you have to test each battery seperately, ie with one of them unhooked from the positive cable.
If you try to test them together you are wasting your time.
Not all parts people know that you can't test them with both batteries hooked up, so you may be in for a small battle with them.
But one thing, you have to test each battery seperately, ie with one of them unhooked from the positive cable.
If you try to test them together you are wasting your time.
Not all parts people know that you can't test them with both batteries hooked up, so you may be in for a small battle with them.
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Postmaster
Joined: Jun 2008
Posts: 2,500
Likes: 2
From: Michigan
i had one of my batteries tested at advance auto once.........their tester showed that it was at 12.38 volts and that the battery was good but low on charge.....I charged and charged and charged that battery and got nowhere with it.....replaced it with a new battery and the truck spins over way faster than ever before.....the old battery was about 5 years old and I believe it had a dead cell....unfortunately, the truck sat for a winter and didnt get driven very much..im afraid that the one battery may have froze partially and thats why it gave me so much greif.....
Just something else to think about.......even if their tester shows its good, dont think that the battery cant still be part of the problem....
Just something else to think about.......even if their tester shows its good, dont think that the battery cant still be part of the problem....
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Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
A modern tester should show the amps stored as well as the volts.
Dead cell usually shows up as low volts.
As the years pile up, the cells are not able to store as many amps as a new one, so you get less amps out.
12.38 volts and 100 amps in reserve, 1238 watts of power.
Times 2 for the second battery 2476 watts.
Starter looking for 3600 watts, right after the glow plugs used 2304 watts leaves you 3408 watts short of starting..
Dead cell usually shows up as low volts.
As the years pile up, the cells are not able to store as many amps as a new one, so you get less amps out.
12.38 volts and 100 amps in reserve, 1238 watts of power.
Times 2 for the second battery 2476 watts.
Starter looking for 3600 watts, right after the glow plugs used 2304 watts leaves you 3408 watts short of starting..
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