Changing alternator front bearing?

Discussion in 'Mech Tech' started by optimistic, Oct 5, 2015.

  1. davidoft

    davidoft Sponsor

  2. Feel free to gloat!

    That would save me faffing about making one, don't suppose you have the one that goes behind the pulley aswell?
     
  3. davidoft

    davidoft Sponsor

    Think so will take a look
     
  4. :thumbsup:
     
    davidoft likes this.
  5. Just to resurect this thread: anyone know what the front bearing size/number is? @optimistic ?
     
  6. Unfortunately not, I found one in a drawer of various bearings I had, I just measured it up and it matched so I bunged it in!

    I'm in the workshop n the morning and if your lucky it will be in the scrap pile, if so I will measure it up and check for part numbers.
     
    snotty likes this.
  7. The good news is I found the bearing, the bad news is I got sidetracked and forgot to measure it :Dtuesday_wildchild

    I will though and get back to you.
     
  8. No great rush. If I get bored with family affairs over Xmas, I might skulk off to the garage and strip my spare alt.

    The bearing is just pressed into the front case half, yes?
     
  9. Yes :thumbsup:
     
    snotty likes this.
  10. Right, next question before I start heaving (actually asked it on here a while ago): how do you get the rear plate off? The rear bearing seems to be trapped in a housing that's held on by two screws on the inside of the alternator.

    For the front, you just stuck a bearing puller behind the bearing, and it pulled the bearing and spacer off, yes?
     
  11. Yes just pulled the front off and the same with the rear whilst in its housing i think, it was quite a while ago and i have drank quite a lot since then :burp:

    Just follow your nose, it came apart really easy and they aren't complicated.

    My back bearing was fine so i re-used it.

    The front bearing measures as follows:

    OD - 40mm
    ID - 17mm
    Overall thickness - 12mm
    Ball bearing with steel bearing cage housing.

    Hope this helps.
     
    snotty likes this.
  12. Well, yer right. I was amazed. Bit of a twiddle on the puller, and off it popped :thumbsup:
     
  13. :thumbsup: Quick twiddle on your puller and of it pops :D
     
    snotty likes this.

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