peugeot 406 hdi abs problem

Discussion in 'Peugeot 406' started by neild, Oct 8, 2006.

  1. neild

    neild Guest

    This is a strange one! The abs light has been coming on
    intermiittently on my peugeot 406 hdi lx estate (x reg. 2000, vin
    vf38frhz). Nine times out of ten it comes on in the same section of
    road, approx 3 miles from my house, mainly when I'm driving away but
    sometimes when I'm coming back. The abs does not appear to be working
    when the light comes on (i tried an emergency stop on a quiet stretch
    and the brakes locked; they do not do that when the abs light is off).
    If I stop the engine after the light has come on and then turn the
    ignition key to position I, I get an 'ABS fault' message that
    disappears when I turn it all the way and start the engine (and the abs
    light does not come on then, at least not until I go over the same
    stretch of road).

    The other thing I've noticed is that sometimes at low speeds when I
    apply the brakes they seem to pulse on and off and it feels really
    strange through the brake pedal, like it's on ice (although there isn't
    any!), and it doesn't pull up efficiently. This only happens when the
    abs light is off, so it may be unconnected to the other problem.

    I guess I should take it to my local Peugeot dealer for a Diag2000
    scan. I'm not very confident about them though. I've tried them twice
    before for other problems. The first time they told me that no faults
    had been found. When I asked for a print out they gave me one that was
    nothing more than half a page of A4 with 8 headings (BSI, display,
    radio etc, no OBD codes). The second time, they said they couldn't
    give me a printout because the printer wasn't working. They wrote down
    a couple of lines, again no obd codes. Could anyone tell me what I
    should be getting for my money?

    Finally, will the abs problem be stored in the computer or will all
    trace be erased when I restart my car and the abs warning goes off? I
    don't want to pay for a diag if there's no trace of anything to
    diagnose!

    Thanks in anticipation

    Neil
     
    neild, Oct 8, 2006
    #1
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  2. neild

    Marc Barbour Guest

    Neil

    I have a similar problem with the ABS on my 406 in that it sometimes
    feels like it's braking on ice at low speeds on perfectly dry roads. It
    appears to be caused by broken phonic rings on both driveshafts (this is
    a toothed ring that the ABS sensor reads). The rings should encircle the
    driveshaft completely but on my car both have splits in them which
    probably fool the ABS into thinking that the wheel has locked. I haven't
    had this sorted yet so can't confirm whether it's definitely the source
    of the problem but it may be worth you checking these.

    Regards

    Marc
     
    Marc Barbour, Oct 8, 2006
    #2
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  3. neild

    Marc Barbour Guest

    Neil

    I have a similar problem with the ABS on my 406 in that it sometimes
    feels like it's braking on ice at low speeds on perfectly dry roads. It
    appears to be caused by broken phonic rings on both driveshafts (this is
    a toothed ring that the ABS sensor reads). The rings should encircle the
    driveshaft completely but on my car both have splits in them which
    probably fool the ABS into thinking that the wheel has locked. I haven't
    had this sorted yet so can't confirm whether it's definitely the source
    of the problem but it may be worth you checking these.

    Regards

    Marc
     
    Marc Barbour, Oct 8, 2006
    #3
  4. neild

    Marc Barbour Guest

    Neil

    I have a similar problem with the ABS on my 406 in that it sometimes
    feels like it's braking on ice at low speeds on perfectly dry roads. It
    appears to be caused by broken phonic rings on both driveshafts (this is
    a toothed ring that the ABS sensor reads). The rings should encircle the
    driveshaft completely but on my car both have splits in them which
    probably fool the ABS into thinking that the wheel has locked. I haven't
    had this sorted yet so can't confirm whether it's definitely the source
    of the problem but it may be worth you checking these.

    Regards

    Marc
     
    Marc Barbour, Oct 8, 2006
    #4
  5. neild

    neild Guest

    Thanks, Marc, I'm going to check out the rings this afternoon and
    report back.

    Neil
    ----------------------
     
    neild, Oct 8, 2006
    #5
  6. neild

    neild Guest

    Thanks, Marc, I'm going to check out the rings this afternoon and
    report back.

    Neil
    ----------------------
     
    neild, Oct 8, 2006
    #6
  7. neild

    neild Guest

    Both front rings are split and loose on the hub. Haven't checked the
    rears yet. Does anybody know the procedure for changing the rings?

    Regards

    Neil
    ----------------------------------------
     
    neild, Oct 8, 2006
    #7
  8. neild

    neild Guest

    According to my Peugeot dealer, to replace the abs rings I'd have to
    get complete driveshafts, but I know that 406 cv joints with rings are
    available elsewhere. Does anybody here know if there's a reason why
    replacing just the cv joints on a 406 should be avoided?

    Thanks

    Neil.
     
    neild, Oct 12, 2006
    #8

  9. Because it eats into Peugeot Dealers profits? ;o)
     
    Keith Willcocks, Oct 12, 2006
    #9
  10. neild

    Brian Guest

    So the rings are loose on the shafts?
    Can you not slide the rings along the shaft enough to clean the shaft down
    to bare metal, then a coat of araldite, and slide the ring back. Then put a
    hose clip round it and tighten, leavng it for a day for it all to harden,
    then remove. Should hold the ring in place and probably hold the cracked bit
    together too.
    At best you will save a packet, at worst you have lost a bit of araldite and
    a few hours work.
     
    Brian, Oct 12, 2006
    #10
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