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What lube for starter bendix shaft?

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Old 07-14-2014, 07:15 PM
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Default What lube for starter bendix shaft?

Hello, all. I have a 2000 WS6 (M6) with an intermittent starter problem. The car cranks very well, fires right up strong every time. The problem is about 1/3 of the time the starter will not disengage from the flywheel. As a starting point, I’m going to grease/lube the bendix/gear shaft hoping this will allow the starter to disengage. I’ve done a lot of searching, but haven’t found specifically what lube to use. From what I can find it should be a light lubricant. Can I use silicone spray? Would something else work better?

If I have time I’m going to pull the starter this weekend and try this fix, but am not sure exactly what to use. Any thoughts?
Old 07-14-2014, 11:08 PM
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Welcome to LS1tech!

I suspect the starter is just a bit too close to the flexplate.
Old 07-14-2014, 11:47 PM
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im having sort of the same problem.... starts fine in the morning, but if i shut it off and then start it up again, you can hear the starter grind for a sec
Old 07-15-2014, 05:04 AM
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Thanks for the replies. This is the original starter and the problem just started happening within the last few weeks. The starter has never been off the car, so i don't know that it's too close to the flywheel. it may be time for a new one, but i want to get a little extra life out of her by trying to grease the bendix shaft. anyone have any thoughts on what lubricant to use?
Old 07-15-2014, 09:48 AM
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Well... I think the starter died this morning. I cranked it up and headed to work this morning and the starter stuck again. I reved it slightly and it disengaged. I got to work and parked it up. Later this morning I went to crank it up to head out somewhere and got nothing. No click, no sounds, no nothing. I have power to everything else... power windows, dash, radio, a/c. Just no noise whatsoever from the starter.

It might be the clutch ignition switch, but with all of the problems I've had with the starter I think it may have just died.

What does everyone think? Time for a new starter?
Old 07-15-2014, 08:14 PM
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Quick test.. If you tap on the starter with a small hammer (while someone else has key turned, clutch in) and the car starts.... Replace starter

Obviously be safe when doing this
Old 07-15-2014, 09:06 PM
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Make sure you get a starter with the newer bracket, not the original short on one side bracket. You'll also need a second long starter bolt.
Old 07-15-2014, 09:07 PM
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You may be asking why?
Old 07-16-2014, 06:22 AM
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Thanks for the replies. I'll need to find a starter with the new brackets then and another longer bolt. Everywhere I look only shows me the old style mounting bracket.
Old 07-16-2014, 07:45 AM
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In another thread, a member posted good results with a Quality Built 6492SN starter. Do an internet search for it.

The long starter bolt can be had from Dorman, 678-004.1 OR 72181, both available at AutoZone. The original GM part number for the long bolt is 12561387.
Old 07-16-2014, 08:25 AM
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Sweet. Thanks for the info, Paul. I'll look it up later today. I need to get her back on the road!



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