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rockstar59us
New User
Sep 15, 2008, 9:32 AM
Post #1 of 2
(1573 views)
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starter messing up
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1993 pontiac trans am,5.7 350 lt 1 .auto transmission.180000 miles..starter began to drag after driving, had to wait for engine to cool some, then it started clicking then began to whine with a loud hi pitch burk sound, took starter off, had tested at 3 different auto places, tested good, remounted starter, still clicks sometimes, and still make burk whinning sound sometimes, is it the starter or something else..contact me as rockstar 59 us at the yahoo dot com e-mail..also would this problem cause my battery to drain, i could charger it up before it went bonkers and it would have a drained battery by the next morning, put 2 new batteries in and still daining, thought it might be the starter causeing the drain,..cant seem to kill that like gremlin hiding under the hood.or call my cell 662-871-9398 ask for rockstar----
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DanD
Veteran
/ Moderator
Sep 16, 2008, 4:15 AM
Post #2 of 2
(1560 views)
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Re: starter messing up
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First off it would almost be impossible for a starter motor to drain a battery over night; unless you walked away from the car and the starter was cranking the engine by itself. (That can happen)
If the battery is being drained down overnight; you’ll have to check for draw at the battery with everything off. Anything above .025 of an amp draw is enough to drain a battery overnight. There could be a relay or something sticking on; something not visible to you that is causing a draw on the battery.
As for the dragging starter; after having it bench tested by three different places; it’s not likely the starter.
Check the main battery cables (positive & negative) that the connections are clean & tight at the battery, starter and engine block; also that there isn’t any visible damage to them. As in being burnt from laying on an exhaust manifold or any funny looking bulges under the insulation; a bulge in the cable could mean the cable has corroded inside the insulation.
If they look OK, then test them electrically by performing voltage drop tests of the cables. Anymore then .25 (1/4) volt, voltage drop across either of the cables is considered excessive; replace the cables.
Yes this means the use of a multi-meter and the proper test procedures; if you’re interested we’ll try and walk you through the tests.
On a different note; if the starter, battery and cables all test ok, then we’ll have to begin looking at engine mechanical and things like excessive ignition timing.
Isn’t electrical fun? LOL
Dan.
Canadian "EH"
(This post was edited by DanD on Sep 16, 2008, 4:16 AM)
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