mi16 - wierd knocking sound
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  1. #1
    Fellow Frogger! DejaVu's Avatar
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    Default mi16 - wierd knocking sound

    hey guys,

    my mi16 has some wierd knocking coming from the front. more specifically the front right. its only really when i got over bumps, like bumps in the road, or speed bumps. im guessing its something to do with the suspension. im going to put the car up in the air tomorrow and have a quick look around to see if i can locate a problem.

    this might be a pretty common problem, im not too sure. is there anything specific that might be causing this? a common cause? have you had similar problems, and how did you fix it?

    also if this may help, the car will give a short sqweak when i accelerate. not sure if its related or a different problem, but it sounds like its coming from a similar area.

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    any answers, hints, opinions will be appreciated.
    cheers.
    2013 Megane RS 265 Trophy

  2. #2
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    Default

    Deja, I had the same problem on the same side. The nut on top of the suspension strut needed to be tightened - I used a tube spanner and an Allen key. 5 minute job.

    I assume that the rubber mount underneath has worn a bit, causing the play.

    Stuey


    2003 PEUGEOT 206 GTi

  3. #3
    Fellow Frogger! DejaVu's Avatar
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    hehe cool. ill see if that fixes it up. if not ill be back on here tomorrow seeing if anyone else has any clues.

    cheers
    2013 Megane RS 265 Trophy

  4. #4
    Fellow Frogger! bazgti's Avatar
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    Quote Originally Posted by Stuey
    Deja, I had the same problem on the same side. The nut on top of the suspension strut needed to be tightened - I used a tube spanner and an Allen key. 5 minute job.

    I assume that the rubber mount underneath has worn a bit, causing the play.

    Stuey
    the 205 does similar when the top shock mounts are worn or if there is play in the sway-bar
    li nks or loose mounts or worn rubber bearings in swaybar mount clamps.look for anyplay by physically grabbing swaybar and giving a good push back and forth and side to side when on the hoist.usually though there will be a loose feel to the steering of the swaybar is loose in anyway.
    yours sounds like the classic top mount problem .especially the speedhump and road bump symptom.
    i have just chased and fixed similar probs on the 205.i did top mounts and swaybar mount
    bearings and most bushes in the front end .get them from european auto imports as they are alot cheaper then peugeot dealer.
    the squeak when accelerating sounds like its linked to same problem.
    good luck-BAZZ

  5. #5
    Fellow Frogger! pips's Avatar
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    When looking for my Mi16, I test drove a few that had this issue, and upon inspection found that the other members are correct.

    As far as the squealing, might be an accessory belt?

    When I start my Mi16 up, the power steering belt gives a slight squeak just as I let go fo the key. I know its that belt cause its due for replacement.

    pips
    Ever wonder why Mad Scientist talk to themselves? They know others just wouldn't understand.

    The software said "Windows 98 or better". So I installed Linux.

    1990 405 Mi16

  6. #6
    Cub
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    Icon5

    Hi guys, got a question along similar lines:

    How do I know whether my suspension components are playing up or if the pot hole i just crashed was too much for my 205??

    The ride on my 205 is quite choppy on rough roads, it kinda smoothes out when going 70-80 but quite unsettling sometimes... i posted a similar concern re the rear beams in another thread.

    Is this common in other 205s as a result of tight suspension or should i be worried?

    Cheers
    CUB

  7. #7
    Fellow Frogger! bazgti's Avatar
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    Quote Originally Posted by Cub
    Hi guys, got a question along similar lines:

    How do I know whether my suspension components are playing up or if the pot hole i just crashed was too much for my 205??

    The ride on my 205 is quite choppy on rough roads, it kinda smoothes out when going 70-80 but quite unsettling sometimes... i posted a similar concern re the rear beams in another thread.

    Is this common in other 205s as a result of tight suspension or should i be worried?

    Cheers
    you have to put it up on a hoist and get someone in the know to test all the bushes and bearings in the suspension and steering.remember that the steering and suspension are connected in such a way that it can be hard to tell whay component is worn untill you hoist it up.
    you also have to remeber that these cars are now getting 17 years old now so alot of the rubber components will be worn and comprimised.
    i was chasing loose steering feel that turned out to be suspension related.
    i did all the bushes and bearings in the front end and also put koni yellow sports adjustable shocks on all round.
    i cant tell you how much difference it is to when i bought the car 18 mnths ago.
    it now chews up the corrugations in dirt roads and spits em out,it now corners like on rails and it accelerates and stops A HELL OF A LOT BETTER.
    if you need prices on this stuff pm me and ill get out my cars history and give you the relevant quotes.
    usually the top rubber strut mounts are the first to go then the front end control arm bushes if the car has been cornered hard by you or previous driver.
    its amazing the difference new shocks make,even if they are not the konis but oe or aftermaket.-BAZZ

  8. #8
    1000+ Posts cam85's Avatar
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    Cub

    My rear beam is just about had it at the moment and i found it by jacking up each side one at a time and taking the wheel off, and gripping bots sides of the brake assembly and it moved from top to bottom about 1cm. Showing the the inner race bearing has worn a bit. Im going to be replacing the shaft and the bearings on both sides in about a week and a half. Ill let you know how it goes.

    Cam
    94 205 Gti Classic #9
    91 205 Si
    87 205 GTi Race Car
    http://www.aussiefrogs.com/forum/res...-race-car.html

  9. #9
    Cub
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    Thanks for the help guys

    However I'm worried that if I take it to a "specialist" they'll just say to me that the whole freaking suspension set up should be replaced!

    Is there maybe an order i could follow, say a list of the usual suspects that are more likely to be due for replacement?

    CUB

  10. #10
    Cub
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    Hi bazgti,

    I tried to PM you about your suspension replacements but i think your inbox is too full. Would you be able to give me the details when you have a chance, CHEERS!
    CUB

  11. #11
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    Default Replace the rubber!

    dejavu,

    my experience with a '93 205Si was that the suspension got harsher especially on the little bumps and corrugations and that the steering wheel got further and further to the right with each front end alignment.

    What happens is that the suspension arm bushes and the strut top mount bushes get compressed with time. This allows the wheels to spread apart slightly chaging the Track and camber slightly and hence the steering wheel position as the adjustable tierod has to be lengthened to account for the increased track. Probably affects the handling as well. The strut top mounts carry the whole fron weight of the car on some rather puny rubber bushes so these become compressed and hard which affects that normally smooth and compliant ride.
    The wishbone bushes that join the sway bar to the suspension arm also get hard and worn and as they take almost all theforward and backwards drive and braking forces get a good workout too. None of these bushes are very expensive ( try EAI ) and replacing them all restored my Si which had over 200000Km on the clock to "like new" peugeot ride.

    Pug shocks are good though - mine still had the originals on it when I sold it with 235000Km on the clock and they still worked fine...

    Cheers

    Trevor
    Trevor Hoare
    Boolarra Vic

    '95 405Mi16 - what a great car! ; 89 405 ( for my daughter )
    previously 205Si, 504Ti, HR wagon with R16 seats, R16, R10, VW kombi, VW passat, HQ panel van, FB panelvan, Rover'49 P3 4-light

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