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Thread: Old type ARB compressor repair

  1. #1
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    Old type ARB compressor repair

    I've done the altopsy on my "dead" ARB compressor. The Conrod big end has come off the end of bigend bearing and then slapped around a bit on the bearing nut (its a half crankshaft). There also looked to have been a seize, but probably more likely to have been abrasion damage on the piston and bore from gritty inlet air

    To me it looks like it'll need a new conrod, little end bearing, piston pin, piston, barrell and inlet valve. The after that it'll be like a new one again.

    Can these parts be bought from ARB or is it now throw away?
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  2. #2
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    If it is the just superceded model then you can still get parts. I called ARB and checked recently.

  3. #3
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    Excellent! Thanks for this Justin.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  4. #4
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    the parts would want to be fairly cheap...by all accounts the new ARB compressor is far superior to the old one, and most other compressors for that matter - for $350...
    Always looking for creative new ways to get bogged... :whistling:

    76 RR...sold coz fuel was expensive at 70c/l :eek:
    93 200 Tdi Disco...old faithful...sold to make way for...
    99 Td5 Disco ACE...nice drive...hopefully reliable...

  5. #5
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    Yeah, you're right. I spoke to ARB today it it looks like a piston and bore kit is about $70 and the rest of the parts he guessed at about $10. I thought that wasnt too bad at all. I've got a new ARB compressor, but I might rebuild this one to go in the old landy or as a spare.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  6. #6
    Join Date
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    Today I pulled the old wire loom out of the Disco and repaired the front
    locker switch which had a blown globe (by replacing it), and of
    course... as you do... I became side tracked as to why the old ARB
    compressor **** itself.

    Anyway, open it up and the conrod had come off the big end bearing and
    there was some grazing in the bore/piston in one section near the
    crown from dust. At the end of it all my plan was to buy a new big end
    bearing, conrod, little end bush, piston pin, piston and barrell.

    With this thing sprawled all over
    my kitchen bench I couldn't make dinner until it was fixed and parts
    take time to get to the central west. Soooo, off to supercheap for some super
    dooper loctite (red) and the big end bearing has been loctited and
    "drifted" back into position and the lot slapped back together again.

    We'll see how it goes tomorrow. It may last 30 secs..... or it may
    last! If its a goer I'll put it in the old Landy II ute. Its sort of a
    similar story really.... it may last 30secs or it may go.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  7. #7
    Join Date
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    Theres some good lookin air compressors on ebay for $30 plus postage
    And also aldi have some $99

    CHEERS TIM.

  8. #8
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    Hey thats true Tim... I'd rather my broken and repaired ARB unit though. It'll probably be more reliable (if I fix it properly), and it has the loom, pressure switches, locker compatibility and will inflate tyres at least half as quickly as a $30 jobbie.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  9. #9
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    Quote Originally Posted by Slunnie View Post
    We'll see how it goes tomorrow. It may last 30 secs..... or it may
    last! If its a goer I'll put it in the old Landy II ute. Its sort of a
    similar story really.... it may last 30secs or it may go.
    Hey Slunnie, are you refering to the Series 11 ute here....

  10. #10
    Join Date
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    Quote Originally Posted by RoverOne View Post
    Hey Slunnie, are you refering to the Series 11 ute here....
    Absolutely.

    Ahhhh, one day. It's sooo close now, but I'm going to pull it apart again now for an auto conversion.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

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