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06-03-2010, 11:31 PM
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#1 |
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Registered User
Join Date: Apr 2010
Location: Canada EH?
Posts: 37
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Starter sticking
Sometimes when I go to start my 78 gmc the starter won't stop even if the trucks running the starter will still be going??? Any suggestions on what I should do I think the ignition might go a little too far which is causing it?
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06-04-2010, 01:00 AM
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#2 |
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One shot, one kill.
Join Date: Dec 2007
Location: Saratoga Springs NY
Posts: 859
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Re: Starter sticking
78, the problem is the starter solinoid sticking. Can be caused by low battery voltage resulting in a high amp draw welding the switch disc to the B+ term and the M terminal inside the sol. Also a weak return spring on the starter drive clutch fork or rusty splines on the armature. If the elec system is up to snuff, get a rebuilt from NAPA. They are cheap and come with a 2 year warentee.
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1984 K20 350M engine with 465,000 miles. Well, it's finally done!! Almost 2 years of work, but it was really worth the effort. Little stuff left to do is mount winch, wet sand & buff out and build belly pan\running boards. Body work takes lots and LOTS of beer!!!! God, Guts and Guns made America and God, Guts and Guns will preserve it! The worst thing you could do is get into my sights, but that don't matter, you'll never know it, cause you'll never hear the shot  Jim or Paladin whichever you choose.
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06-06-2010, 03:13 PM
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#3 |
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Registered User
Join Date: Jul 2004
Location: Spanish Springs, NV
Posts: 1,171
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Re: Starter sticking
The pinion drive gear can, also, over-rum the ring gear, causing it to hang-up behind it and hold the solenoid on. Wires get hot and melt, fire starts, etc. I speak from experience.
- Dave
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2003 Silverado K1500 Z71 - Arrival Blue 1973 K5 Cheyenne Blazer 350/TH350/NP203 Kids Trucks:92 K1500 Blazer 5.7/700R4 4" lift. RETIRED: 1980 Scottsdale 4x4 Founding Member: "TILT WHEEL BELLY." Club Last edited by wedgemon; 06-06-2010 at 03:14 PM. |
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06-06-2010, 05:28 PM
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#4 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,277
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Re: Starter sticking
while both of the above replies are right on what you can do before you replace the starter is to get under there and give it a good rap with a hammer once or twice, and see if that clears it up. I had one like that and there was some piece of junk in there that was holding it up on the solenoid or something and it worked fine after a good whack.
that also works if the solenoid is older and hangs up , although in any event it usually means the solenoid is on its way out and will be needing replacement soon enough
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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