2006 Ch Lancer Vrx Front Suspension Knocking - Mitsubishi-Forums.com
 
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post #1 of 16 (permalink) Old 10-14-2015, 02:48 AM Thread Starter
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I'm having trouble with my lancer, with the front end knocking when i go over a speed bump but only on the down side of the bump not at the initial hitting of the bump. My car originally went in for squeaking and rubbing noises in the front and now after having my front strut tops, ctrl arm bushes,fr suspension bushes and also my front springs bcz the drivers side was sagging. It has been going back to him still bcz the noises wernt gone and new one had started, he has replaced everything now twice except the strut top. also the front struts are only 5000 ks old and even then he had to replace the left one for an air pocket. I have now taken it somewhere else for a second opinion and two places now don't know what is causing the knocking. both places have told me the underside of my car is immaculate the whole car even there is nothing loose or showing wear my car is 100% except for this noise that they cant fault. Has anybody heard of a knocking noise in the front end like mine, it sounds like its coming from the top area when i go over bumps. Please help!!
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post #2 of 16 (permalink) Old 10-14-2015, 05:49 AM
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my input to this question is

the 2006 lancer front end exploded view

this design is not a rally -sporty robust type suspension

sure its not engine/gearbox mounts or CV joints or a different reason for this knock


a drivers side spring sagging is not normal

you might like to get the best shocks and springs possible --after market to fit on this type of suspension


from one aussie to another ..hope you didnt go to pedders

also curious what size mags and tyres are fitted to your lancer ?


you have had most suspension parts replaced ...twice and inspected ... and still the knock

how hard are you driving the car
hitting these speed bumps
or what sort of roads or cornering .. make the suspension on your car knock?


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post #3 of 16 (permalink) Old 10-14-2015, 06:44 AM Thread Starter
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hahaha no the work hasn't been done by pedders i don't like their work but they were my second opinion and they cant find anything so no reason to return at all to them.

Every nut and bolt, mount the lot have been checked underneath no oil leaks or excess grease. As far a s i can tell the knock is high up on the suspension, i live in a complex which has 4 speed bumps in and out and i have hit them at different speeds to see if i can pin point it. the knocking didn't show up until after the work.

the driver spring sag was causing it to gutter scrap on driveways, i was told previously that i didn't need to change them, but then i got new tyres, Michelin on the original mags for the vrx.

the springs that we have on a king coil and were now thinking of changing them to factory springs, unless you have another suggestion??

Its a little hard to explain the knock, it doesn't happen when you hit the speed bump it on the drop back down on the other side which then causes the knock. it was first thought it was spring chime but upon further investigation it cant be bcz the is only a knock and no chime at the end, also the springs aren't compressing enough which is the big confusion.

I believe it could be the strut tops and we are investigating to see if we can get after market ones to try it bcz buying genuine is an expensive excersize, apparently they don't take parts back after they have been opened

 
post #4 of 16 (permalink) Old 10-14-2015, 10:25 AM
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yep strut tops .. number 7 will need an internet search to confirm the part

ask repco or bursons

... they may be rubber compound .. that compress flat over time and may only be available genuine

and number 8 may house a bearing

part 17 love to break .. close the tie rod ends

king coil springs sag = no good


can rule out tyres and mags as a wear factor or knock cause on the front end


#
here is the link to an actual repair manual for a 2006 lancer i found one day its a zip rar type

takes time to find and download the front suspension section but worth it

https://drive.google.com/folderview?id=0B1R...amp;usp=sharing
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post #5 of 16 (permalink) Old 10-14-2015, 11:20 AM
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Something else to look at the struts upper and lower plates have alignment holes. If the holes are out by too much the tail end of the spring may be on the ridge inside of the upper plate and this will make noise when it shifts around and falls off the edge and hits where it should be sitting.


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post #6 of 16 (permalink) Old 10-14-2015, 12:53 PM Thread Starter
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sorry i forgot to mention all that work i listed has only been done in the last month
post #7 of 16 (permalink) Old 10-14-2015, 01:01 PM Thread Starter
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is king coil no good for springs?? what brand would you recommend??

and the strut tops are the only genuine part in the list i had replaced.

ill have a look at the link you gave me about a repair guides. and ill pass on the feedback onto my mechanic

what brands would you recommend for after market suspension work??

so try different springs check my strut tops and my strut upper and lower plates line up with their marks.
post #8 of 16 (permalink) Old 10-14-2015, 08:23 PM
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Could you provide a little more info - e.g. is the car lowered - original shocks but lowering springs - etc.

Your problem might be a wrong combination ...
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post #9 of 16 (permalink) Old 10-14-2015, 10:54 PM
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<div class='quotetop'>QUOTE (Sonny_PE @ Oct 14 2015, 08:14 PM) <{POST_SNAPBACK}></div>
Quote:
hahaha no the work hasn't been done by pedders i don't like their work but they were my second opinion and they cant find anything so no reason to return at all to them.

Every nut and bolt, mount the lot have been checked underneath no oil leaks or excess grease. As far a s i can tell the knock is high up on the suspension, i live in a complex which has 4 speed bumps in and out and i have hit them at different speeds to see if i can pin point it. the knocking didn't show up until after the work.

the driver spring sag was causing it to gutter scrap on driveways, i was told previously that i didn't need to change them, but then i got new tyres, Michelin on the original mags for the vrx.

the springs that we have on a king coil and were now thinking of changing them to factory springs, unless you have another suggestion??

Its a little hard to explain the knock, it doesn't happen when you hit the speed bump it on the drop back down on the other side which then causes the knock. it was first thought it was spring chime but upon further investigation it cant be bcz the is only a knock and no chime at the end, also the springs aren't compressing enough which is the big confusion.

I believe it could be the strut tops and we are investigating to see if we can get after market ones to try it bcz buying genuine is an expensive excersize, apparently they don't take parts back after they have been opened[/b]
Do the tops look like this? could be wear in the bearing which is a separate item.

How do these prices go? + freight

https://www.amayama.com/en/search?region=11...860%2C+MR272946

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post #10 of 16 (permalink) Old 10-15-2015, 02:09 AM Thread Starter
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there is nothing wrong with the rear end suspension and no unusual wear on my tyres.

My Car is a vrx which is lower then the standard es lancers and i have kept the same heights and the parts are all recommended to go on my car when i research the part numbers they match up. the front struts collapsed shortly after i purchased the car and new ones were put on but not factory ones but still the same style for my vrx lowered sports struts and same for the springs.

Yes the tops look like that. tomorrow im getting new tops put on the aftermarket ones to see if their is a change then one they have been changed were to have a closer look at the springs.
post #11 of 16 (permalink) Old 10-15-2015, 02:22 AM
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<div class='quotetop'>QUOTE (Sonny_PE @ Oct 15 2015, 03:39 PM) <{POST_SNAPBACK}></div>
Quote:
there is nothing wrong with the rear end suspension and no unusual wear on my tyres.

My Car is a vrx which is lower then the standard es lancers and i have kept the same heights and the parts are all recommended to go on my car when i research the part numbers they match up. the front struts collapsed shortly after i purchased the car and new ones were put on but not factory ones but still the same style for my vrx lowered sports struts and same for the springs.

Yes the tops look like that. tomorrow im getting new tops put on the aftermarket ones to see if their is a change then one they have been changed were to have a closer look at the springs.[/b]
Knocks and rattles can be challenging to track down, I'll give you an example. My magna has a knock/clunk LHS. It's the brake caliper because the guide pins have worn and the cailoper is moving on impact. If the sway bar is connected by link pins with ball joints they can as they wear also clunk, I've had that too on a 93 magna and was most noticeable low speed over humps. Fulcrum Suspension in QLD were always good but that's going back 10-15 years ago last time I needed a specialist.
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post #12 of 16 (permalink) Old 10-15-2015, 03:15 AM Thread Starter
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Yea i know its not easy i went into my Suspension guy today to talk about some possible theory's and he assures me that my under car parts nuts and bolts are all ok and no signs of wear,

I'm hoping tomorrow having the tops changed it can narrow down or even fix it.

the only thing that leads me back to is that this noise didn't exist until after.

But after tomorrow i might have to look deeper into the problem. but time will tell

Is there anything else i should have him look more closely tomorrow when its back on the hoist??

he checks over everything each time it has gone in and their is no sign of change or reason.
post #13 of 16 (permalink) Old 10-15-2015, 07:29 PM
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If all the suspension checks out - how about the steering - or maybe even a worn wheel bearing.
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post #14 of 16 (permalink) Old 10-16-2015, 10:33 AM Thread Starter
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changing the front strut tops has removed the knocking all i hear over a bump is the strut compressing weather i should hear that or not is a different story
post #15 of 16 (permalink) Old 10-16-2015, 05:57 PM
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<div class='quotetop'>QUOTE (Sonny_PE @ Oct 17 2015, 12:03 AM) <{POST_SNAPBACK}></div>
Quote:
changing the front strut tops has removed the knocking all i hear over a bump is the strut compressing weather i should hear that or not is a different story[/b]
good to hear, I thought that had been done, must have misread the original post. My magna has had knocks forever, struts replaced under wty, did little. I bet My tops need doing too, it is annoying
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post #16 of 16 (permalink) Old 10-17-2015, 06:30 AM Thread Starter
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Lol no i did say my struts tops had been replaced but now all of the parts ive had changed have been changed twice in this last month to remove it and the after.arket ones are the ones that are working and ot the genuine one :P its funny like that. But ill be have a big feild test next weekend taking it as our holiday car to drive so should get loads of testing
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