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Rear spring on 2.5 TDI Quattro sport avant

Discussion in 'A4/S4 forum(B5 Chassis)' started by spartacus68, Aug 7, 2012.

  1. spartacus68
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    spartacus68 Member

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    [Aug 7, 2012]
    Second day back at work after a fortnight on the west coast, and I heard a 'twang-crack' noise leaving the car park. I've parked it up and taken a pool car, but I assume it's a rear spring. Probably sheared an inch off it, although I haven't had a proper investigation - before I go ordering parts. It's a little lower on one side at the rear. :banghead:

    The rear springs were changed prior to an MOT back in September 2009 at 95k. Now at 140k three years later. Incidentally we were loaded to the gunwales with wife, kids, luggage and hauling a boat last week. Probably par for the course. Are main dealer springs the best, or worth going for after-market alternatives. And before anyone says they have to be changed in pairs - I'm seriously skint, so I'm planning to just do the damaged side. Could be false economy, but needs must.

    Anything else to watch out for. I have spring compressors and have done springs on the front, but never the rear... and rear springs on my wife's A2 doesn't count which I've changed before.
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  3. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    [Aug 8, 2012]
    If its a sport model (and being a quattro its likely that it is) then your only option for springs is the main dealer. Getting aftermarket ones will give you non-sport springs, which will raise the back of the car a significant amount over stock.

    I have a pair of nearly-new S4 rear springs, should be pretty similar if not the same as the ones originally fitted to your TDI Quattro.

    I'd do you the pair for 40quid delivered? I believe the dealer charges about 60quid for one.

    Drop me a PM if your interested!
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  4. PAULF
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    PAULF Active Member

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    [Aug 8, 2012]
    The box section that hold the strut will most likely be corroded. It isn't too bad a job to weld in a plate, as long as you know it may be needed
    You'd be as well changing the dampers whilst they are off. Hers seemed fine, but once off, you could feel they were tired - I used Bilstein B6s to increase the stiffness, but B4s are about OEM (don't know which one equates to the Sport pack).
    The dealer springs are £70 - £80 depending on your spring code - about the same as after-market good ones. Lowered by 20mm is PR code BE (Look in the book/boot sticker)
    If you don't go for Aragorns offer, go to Aberdeen Audi - they were great helping me with mine. (More Spring/Damper Questions!)
    I keep meaning to add some pics in my How to replace front and rear suspension parts (with pics) thread!

    I'm not far from you, so PM me if you want a chat about it
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  5. spartacus68
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    spartacus68 Member

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    [Aug 8, 2012]
    You have a PM. :icon_thumright:
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  6. spartacus68
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    [Aug 8, 2012]
    Thanks for links PAULF... lots to read. Checked my service book. It's an AKN engine code. The code N5F/BE (interior equipment) is also there which I assume is sport pack? I may well replace rear shocks as they're original, and will be on their way out. I've already replaced entire front arms, top mounts, and ARB bushes front, but left front shocks for time being. On the rear I just changed rear ARB bushes, new handbrake cable, etc.

    If Aragon's S4 springs fit, will B6 Bilsteins be good match? I just want to return it to original. I don't want to enhance performance as ride was perfect... like an Amtrak locomotive on rails for cornering!
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  7. PAULF
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    PAULF Active Member

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    [Aug 10, 2012]
    Last edited: Aug 10, 2012
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  8. spartacus68
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    spartacus68 Member

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    [Aug 10, 2012]
    Thanks for PAULF. Meant to be a half decent day tomorrow, so I'm going to dismantle and see what's involved. I can't afford to replace the rear shocks at that price, so unless they're leaking they're staying put! I already have timing belt, auxilliary belt, thermostat and a water pump to get fitted prior to next month's MOT!
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