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Starter pinion bearing lube #4702470
03/21/18 07:37 PM
03/21/18 07:37 PM
Joined: Oct 2017
Posts: 344
California
vavavroom Offline OP
vavavroom  Offline OP
Joined: Oct 2017
Posts: 344
California
My 15-year-old son pulled the defective Hella starter motor out of the 1987 Golf he's going to be driving in a few months. He's currently fixing up, or maybe breaking, the car. I ordered a new Bosch starter motor for him. Turns out my son thought the pinion shaft bearing looked dry. So he put grease on it. That did obviously not work because as soon as he let the pinion retract into the housing, the grease got wiped off. He didn't know that starter motors use usually sintered bearings that contain all the lubricant necessary throughout its useful service life. I do wonder if the residual grease that he put on may interfere with the lubricant in the sintered bushing. Am I being paranoid?

Re: Starter pinion bearing lube [Re: vavavroom] #4702489
03/21/18 07:55 PM
03/21/18 07:55 PM
Joined: Jun 2003
Posts: 18,044
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 18,044
Deplorable in apple valley, ca
Yes your being paranoid.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Starter pinion bearing lube [Re: vavavroom] #4702548
03/21/18 08:43 PM
03/21/18 08:43 PM
Joined: Apr 2008
Posts: 13,045
Central NY
Miller88 Offline
Miller88  Offline
Joined: Apr 2008
Posts: 13,045
Central NY
I have 2 vehicles that leak oil onto the starter...
I think it will be ok


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Starter pinion bearing lube [Re: vavavroom] #4702587
03/21/18 09:31 PM
03/21/18 09:31 PM
Joined: Jan 2018
Posts: 265
KS
red7404 Offline
red7404  Offline
Joined: Jan 2018
Posts: 265
KS
some time back i found a very good article about oilite, bushings. was invented be Chrysler. https://en.wikipedia.org/wiki/Oilite AND https://www.allpar.com/history/amplex.html

Re: Starter pinion bearing lube [Re: vavavroom] #4702605
03/21/18 10:00 PM
03/21/18 10:00 PM
Joined: Dec 2016
Posts: 7,466
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,466
Waco, TX
Originally Posted By: vavavroom
I do wonder if the residual grease that he put on may interfere with the lubricant in the sintered bushing. Am I being paranoid?


Very paranoid. It's just fine.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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