Starter motor
Thread Starter
Cruising
Joined: May 2020
Posts: 12
Likes: 2
From: Peterborough On
Starter motor
Good morning. My first post/ question. When I turn the key on my 95 LT1 with a new battery I get a click and the daytime running lights go out. Without turning the key off I try again and the starter engages and starts. Sometimes I can here the starter spinning but it doesn’t connect with the fly wheel. Should I pull the starter and have it tested?
Melting Slicks
Joined: May 2014
Posts: 2,895
Likes: 592
From: New Port Richey FL
Before you pull the Starter I would, would Disconnect the Battery Inspect for Corrosion on Terminals reconnect and Tightly and see if fixed. If Not disconnect Battery Recheck all Connections Below, and try again if still a problem Pull it.
Last edited by s carter; May 4, 2020 at 11:13 AM.
Thread Starter
Cruising
Joined: May 2020
Posts: 12
Likes: 2
From: Peterborough On
Melting Slicks
Joined: Jan 2009
Posts: 3,482
Likes: 196
From: folsom california
Generally, bench "testing" only tests two things; the solenoid, which will move the gear teeth outward to engage the flywheel while simultaneously closing the high amperage circuit to the starter motor itself, and the brushes / communtator on the starter armature. If all is well, the starter will turn over; usually this is considered enough, i.e. if it fails this test, it needs repair / replacement. But what it doesn't test is the small internal clutch attached to the pinion gear itself; sometimes a starter will engage, and turn over, but the engine fails to turn over. In this case the drive clutch on the starter needs replacement.. Another thing that a "bench" test may or may not reveal is where the armature bearings / bushings are worn out and the armature is rubbing against the stationary windings in the case; in a "no load" condition the starer may rotate on the bench, but the added drag, plus the added load of turning over the engine, may prevent the starter from turning the engine over. If you have a reduction gear starter, these problems are multiplied by the added complexities of the reduction gear train.
Last edited by mtwoolford; May 4, 2020 at 11:37 AM.
Drifting
Joined: Jun 2013
Posts: 1,590
Likes: 60
From: ft myers FL/Munising MI
welcome to the forum....lots of good advice and help here.......If you have to bite the bullet and put in a new one, look at those gear reduction starters....they're a lot smaller and work great.....my 85 had a mammoth one and putting that little thing in was easy and it works terrific....starts in a miili-second
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Thread Starter
Cruising
Joined: May 2020
Posts: 12
Likes: 2
From: Peterborough On
Generally, bench "testing" only tests two things; the solenoid, which will move the gear teeth outward to engage the flywheel while simultaneously closing the high amperage circuit to the starter motor itself, and the brushes / communtator on the starter armature. If all is well, the starter will turn over; usually this is considered enough, i.e. if it fails this test, it needs repair / replacement. But what it doesn't test is the small internal clutch attached to the pinion gear itself; sometimes a starter will engage, and turn over, but the engine fails to turn over. In this case the drive clutch on the starter needs replacement.. Another thing that a "bench" test may or may not reveal is where the armature bearings / bushings are worn out and the armature is rubbing against the stationary windings in the case; in a "no load" condition the starer may rotate on the bench, but the added drag, plus the added load of turning over the engine, may prevent the starter from turning the engine over. If you have a reduction gear starter, these problems are multiplied by the added complexities of the reduction gear train.
Thanks for the info. I’m taking it to an auto electrical shop to have it diagnosed.