Re: What lubricant to use on Starter's bendix and flywheel teeth?
See full version: What lubricant to use on Starter; s bendix and flywheel teeth
Re: What lubricant to use on Starter's bendix and flywheel teeth?
Re: What lubricant to use on Starter's bendix and flywheel teeth?
Don't spray any lube on the bendix itself.The shaft that the bendix rides on could use a small amount of lithium grease.The bendix has rubber in it and will be useless if you get it greasy.
If the starter isin't turning the motor you might have other problems.
Load test the battery.Make sure the connections are clean/tight.Then do a compression test.
Do that and get bacj to us with the results.Jerry here
Vortex blasts, bitter cold temperatures, snow storms, and cars that don’t start…the joys of winter. These extreme conditions can really cause havoc on starter motors if they are not lubricated with the right starter motor grease. Greases are typically comprised of a base oil, thickening system, and additives. Older technology greases that utilize mineral (crude-based) stocks are becoming less desirable for use in rotating electrical applications, such as starter motors.
Today’s starter motor grease needs to be effective in cold temperatures without thickening, and operate in high temperatures without losing its lubricating base oil. Synthetic and silicone greases have a much wider operating range than conventional greases. PolySi® G-MAN™ Lubricants’ PST-433 Extreme Low Temperature Grease has long been the lubricant chosen by OE’s (original equipment manufacturers) and starter motor rebuilders. G-MAN™’s PST-433 can operate down to -60℃ without any signs of performance failure. When it’s hotter than blazes outside, PST-433 handles 400℉ (204℃) with ease.
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When replacing a starter (or reinstalling the old one), should the pinion that powers the flywheel (is that actually the flywheel?) be greased or not?
Basically the answer is "no". You should leave both the ring gear on the flywheel (standard shift tranny) or flexplate (automatic tranny) and the gear on the Bendix dry. As @elmerfud stated, as long as the starter is shimmed to spec for its engagement, you'll have no issues with it. Both the ring gear and the Bendix gear are built to take the punishment.
Also, if you consider the overall use of the starter gears in comparison to the rest of the vehicle, they really don't get used much. Besides, if you put grease on these gears, where it is at will attract dirt and abrasives. This will cause wear if you are not doing a continual maintenance on them (cleaning both gears and regreasing on a regular schedule). This is something not only do you not want to do, it's something which doesn't need to be done.