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Brando
 
quattrorunner's Avatar
 
Join Date: May 2006
Location: Las vegas
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starter stays on

I posted this on tech forum too.
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Last night I installed some headers on my 77 turbo engine that is installed into my 77 911s. Before I removed the stock headers, I cleaned the fan with some degreaser and some water and didn't get much wet other than the fan and inside the fan but not a jet of water, more like a soft rinse. But anyway, then I started the car again to put it in the garage, no problems at all. I removed the heat exchangers, removed the turbo,cleaned a little tightened some hidden things, and installed the headers, replaced the turbo which had to relocate some things as location changed slightly, no big deal. adjusted the length of my wide band oxygen sensor, rearranged the scavenge oil line and rertightened and buttoned up.
Went to start it,and found a flange needed tightening so went to turn it off but it didn't want to turn off. Engine did, but the starter had been running along with that loud exhaust leak. It was confusing at first not knowing what was going on. Ignition was off, engine was not running but the starter was turning the engine still. Had to remove the battery positive to get it stopped.
Any ideas please?

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Old 06-24-2012, 11:55 AM
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Brando
 
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Also, it doesn't want to start or turn over at all. Turned the key the first time and nothing other than pump. moved some things in the fuse panel, and moved some wired around the starter itself and it started slowly but ran like I said.
This morning, nothing again. hope that helps.
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Old 06-24-2012, 12:03 PM
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Ignition switch tells the starter solenoid to go and stop. The two little yellow wires on the starter- one is for the cold start injector and one is for the starter itself. Check for 12v at the big post, and intermittent 12v switched at the little post.
Check your copper trans ground strap too.
Old 06-24-2012, 02:51 PM
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May be time for a starter n solenoid.
Old 06-24-2012, 07:05 PM
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Brando
 
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Yeah i think it's the starter too. Can't get the symptoms to show up again though.
Old 06-25-2012, 08:40 PM
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I guess it's possible that the contacts within the solenoid (it's just a big relay after all) that transfer power to the starter have fused together or the return spring has broken, thus not allowing the solenoid to retract when you get off the starter position of the ignition key. I don't know that I have ever heard of this happening, though. Time to pull the starter and take a look.
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Old 06-26-2012, 04:40 AM
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Brando
 
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Well, I've had intermittent problems with a solonoid before when it was about to quit working for good. But it did have other issues too, like it would act like it didn't have enough juice to turn over but there was no click. A week ago, it did that really loud ugly grindy noise you hear sometimes when a starter doesn't engage the starter ring completely twice before it caught and started, and I remember thinking starter replacement time. It will only get worse before it quits for good I think. I have a backup sitting somewhere. One day I'll have to push start it probably.

Old 06-26-2012, 05:41 AM
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