Squealing Starter Motor

Quick squeaky starter fix
Unbolt starter as above ish. Remove earth, i left live connected
You did put the car on ramps first, , lay under car , pull back the motor and let it hang downwards on the wires and various pipes and brackets kind of comfortably hold it there.
You are looking at a cog with an enclosed cone of aluminium behind it, two Allan bolts obviously hold that cover on.
If you pull them bolts , they run right through and into the back of the starter. Leave them and fiddle not.
I saw a new chinese ebay starter for £26,,, so I tried this.
Work out a topside of the starter position on that cone.
Have a rough idea of what is inside the cone,, sealed from motor bendix.
Cos you can get a new motor for £26 if you wreck it,, here we go.
Cone is above your head , you are lying on floor, drill a small hole where you think appropriate on the aluminium cone ( bendix housing ).
Stop on breakthrough, use an 8 mm ish drill and before drilling read this next bit.
The 5 ml ish syringe you pre acquired , needs to be able to function , no needle , lol . In this area
So your bigger drill can aim where you think best. Think keep swarf out of starter, pull out then return and breakthrough.
Airgun if you’ve got it. Bit of aluminium swarf won’t hurt, apart from your remove replace bolting abilities, what you do now determines whether you saved yourself the twenty six of a new one, the workbench strip clean and fiddle.
Brake cleaner, wd40, and molycote etc of your choosing can all be sent in via their aerosols wee tubes. Copper slip or your favourite grease can go in the syringe and squished in.
Then carefull thorough cleaning right around the hole,,, thinners.
Catalloy the hole and don’t send catalloy into bendix,, at least check it turns when set.
Thumb spread a dod of sealant over the area,,, oil to flywheel risk, though unlikely if hole is upper when you reboot and earth it, as thats what gets done next.
Start car
Forget squeal, tidy up
 
Can't recall if it has been linked before but found this youtube guide on Bosch starter repairs
Not checked in detail but it seems similar to the tdi unit

Cheers Spike
 
Yip, I've seen this one before, I still can't understand why he didn't bench test it before he put it back in the car though.
 
Yip, I've seen this one before, I still can't understand why he didn't bench test it before he put it back in the car though.
The motor never left the engine bay, didn’t disconnect any other wires than the earth,, yes a bit bone idle, but I was doing other jobs and while the car was on the axle stands, I swore I would do something about the starter.
I was expecting to see a normal bendix exposed starter. Then I could have done it without the drilling .
When listened to, you know it is dry bendix and not motor internals related.
A new Chinese starter for a scooter had noise of brushes commutator defects. ( increase the engine cc, and they don’t do a heavier duty starter. ) I fiddled all day to get it back together. 2 long 4mm bolts trying to float blindly into holes 5” away, in a magnetic field. That was on the bench.
The only benefit of the bench,is to strip clean and maintain better. I just needed the squealing stopped, so if I had to go to the dealers with my other problems, then I wouldn’t have them spending their time trying to sell me a new starter.
 
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