Renault Koleos Fix Needed
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Thread: Renault Koleos Fix Needed

  1. #1
    Tadpole
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    Icon10 Renault Koleos Fix Needed

    Hi everyone.
    I used to own a 2009 Koleos and now a 2014 Koleos. It's a great car but the one consistent issue I have with this series is that the suspension / ride is too bouncy. Every little road imperfection or pothole and everyone and everything in the car is bounced around. And I'm not a fast driver even at 50km/h~60km/h. I usually end up having to repack my groceries after I arrive home as things would have "bounced" out.
    I've tried reducing the tyre pressure down to 30~32 psi. Still the same.
    I wonder if anyone has upgraded or replaced their shocks, springs, suspension, etc to fix this "bouncy" issue ?

    Also, in a recent holiday trip to Nelson Bay, the Renault Emblem / Logo / Badge (not sure what is the correct name) on the boot of my car got stolen !! Parked the car and went for dinner, came back to find it missing.

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    Does anyone know where I could order one online or from a shop so I can replace it ?

    Thank you all in advance

  2. #2
    Fellow Frogger!
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    Default Too much bounce there is.......

    The Koleos is a great handling car.
    To get the handling one needs stiffer spring/damper combination.
    It really does get up and boogie with surprising surefootedness when asked.
    Stability control allows you do spirited driving when asked before applying the reins.

    What tyres do you have?
    Some tyres have stiffer sidewalls giving a more "jiggly" ride.
    Before doing something radical (ie $$ for nothing) see a tyre specialist.
    Going to 32/30 psi is a step in the right direction.
    The next step would be a more "compliant" tyre.

    I have seen the new Koleos fitted with NEXEN tyres.
    Never been a fan.
    Really should be on 8 tonne trucks.
    Others may wish to comment?
    Last edited by 85Fuego; 1st February 2018 at 10:50 AM. Reason: tyre info

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    1000+ Posts HONG KONG PUGGY's Avatar
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    The ride of the Koleos is just typical of what the ride of French cars has always been. Most people who have only ever driven Australian or Japanese cars all their lives never fully appreciate the ride.

    As 85Fuego mentioned maybe tyre pressure change for a start will go a fair way to help the ride.

    If you want stiffer ride, get a Renault Sport model HAHAHA. It really is a harsher ride
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    My Tyres are Continental ContiPremiumContact 5. Which are suppose to be comfortable car tyres. Are these incorrect tyres to use ?

    I find that when I reduce the pressure lower than 30 to like 28~29PSI, the car tends to drag and the tyres look like they are deflated. Ppl at carparks asks me if I have a puncture

    I may not be understanding this correctly, but does stiffer spring and damper improve the comfort of the ride ?

    I always thought that if I want a less bouncy ride, I should look at making the ride more compliant, softer and absorbing the imperfections on the road, etc ?

  5. #5
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    I wouldn’t be recommending running lower than recommended pressures in the tyres. Under-inflation can affect the handling, due to a potentially compromised contact patch on the road (think of the centre of the tyre contact patch with insufficient pressure) affecting handling and braking in extreme situations, as well as wet roads with the potential for aquaplaning. The correct size and load capacity of tyres to use will be marked on the tyre placard usually on the RHF door. Variations to out of spec tyres, and insufficient tyre pressures, are things that some insurance companies love to use as an escape clause when things go pear shaped.

    The only Koleos (2011ish ?) I’ve been in appeared to have a “normal” modern vehicle ride, neither soft, nor hard, nor bouncy. I just thought it could do with a decent set of shockers to control the ride a bit better, also in common with many modern “normal” use cars. I’m just trying to think of the amplitude required to get groceries to bounce out. Perhaps it could even be the style of driving, or lack of secure tethering points for the bags.

    Perhaps start with somewhere like a specialist suspension place, and explain the issue, take them for a ride to explain what you are looking for. If they are any good, they should be able to pinpoint if it is a tyre related issue or a suspension wear issue. As one person’s bouncy ride may be another person’s idea of a boulevard ride.

    Stiffer springs and damping won’t improve the ride, especially on real-world roads, as the suspension travel is likely reduced. Colin Chapman with Lotus, and Renault with the R4, 16 and 12 managed to find a decent ride with long travel, well damped, suspension.

    For the badge, how about the Renault dealer where you bought it from? Perhaps it fell off and will be a warranty related issue related to the bouncy ride? I know when Volkswagen badges were popular with Beastie Boys fans, they replaced them once the fad had passed.
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    1000+ Posts jo proffi's Avatar
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    I don't get this at all.

    In my renault opinion the koleos is hard as nails, and whilst my passengers may suffer over enthusiastic cornering and get thrown around the cabin (thank goodness for seatbelts), never would I say they have been bounced around.
    If your car is bouncy sounds like a shock absorber problem or an adjective issue.

    Sydfreet, where in sydney do you live??
    You could compare your car to mine to try and work out if there is a problem. I would say my car, being low Km is pretty much on the money for how the koleos should be.

    Jo

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    Thanks for the reply Simon.

    Yeah. I should locate a reputable specialist suspension shop for a professional review of my issue. Do you know of any around Sydney ?

    I'm not sure my local Renault service centre would buy the excuse that the badge fell off, given there are scratch marks next to where the vandals scratched out the badge. I would rather spend less buying from somewhere outside and stick it on rather than be charged the $100++ from Renault to replace it.

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    I'm not a car person, so I may not have described it correctly. But if the "bouncy" or "thrown around" is due to the Koleos's ride being stiff or sporty than that might just be it.

    I know I'm not comparing apples to apples here but I've sat in my friend's Toyota Prado and another Kia Sorento and both glide over the very same road absorbing all the potholes and imperfections without the passengers feeling the "bump", unlike my Koleos. It would be nice if I could upgrade my ride to that level of comfort feel

    I'm in the Northwest Hills District
    Last edited by sydfreet; 1st February 2018 at 03:24 PM. Reason: spelling mistake

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    1000+ Posts jo proffi's Avatar
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    Ok, I think the language was contrary.

    Stiff is the opposite to bouncy.
    Bouncy is being in the back of a bendy bus, or a Renault r19, or an old ford, and stiff is a sports car, an unloaded truck or even a Renault koleos.
    If a Koleos was bouncy I'd say it was either broken, or massively over-loaded!!

    I still don't get how stiff or bouncy contribute to sideways G forces and groceries spilling, but I'll leave that alone.

    The Koleos is made with rather stiff suspension. That is what you bought.....Twice!!!!

    To change this is probably going to be a fair bit harder than simply changing cars to one like your friends have.
    Doing any mods on a slightly orphaned car like a Renault is usually difficult.
    You could do little things like find a smaller rim and have a larger tyre sidewall...But this is trimming your toe nails to lose weight....The suspension will still be stiff!!

    On so many levels, its much easier to just go out and buy the car with the performance characteristics you really like.
    It's not like we live in Cuba.

    Jo

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    Yup... bought it twice... that is how good value the Koleos are here. Leather seats + Bose sound system all at an affordable price that's hard to beat

    Yeah... the suspension is probably stiff. coupled with maybe bouncy tyres :p

    I wonder if anyone has ever attempted to change that characteristic on a Koleos ? like how some people like to lower the car with shorter springs etc.

    I would like to get the Toyota Prado... but it's way too big a 7 seater and drinks way too much with a 3.6litre engine. not to mention the price too

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    1000+ Posts renault8&10's Avatar
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    Also, the larger the wheel, and the lower the profile the tyre will contribute to a ďharshĒ ride. You didnít specify what trim level of Koleos you have nor the wheel/tyre size. But leather seats and Bose suggests higher level with perhaps larger diameter wheels and low profile tyres.

    Jim Hunter Suspension in Blacktown is pretty good but Iíve not tried any closer to castle hill or north west generally.
    KB


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    There's 3 good car tyre manufacturers in South Korea, Kumho, Nexen, and Hankook. All good, Nexen just not as well known as the other two. Nexen is OEM for the Hyundai Santa Fe these days.

    I'd go in the other direction. Pump your tyres to 36psi all round. Allow the sidewall to function as a result. I think you are way under pressure. Give that a go on your shopping roads and see the difference. It must handle like a pig at 29psi.

    I run 40psi in our work Santa Fes these days.

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    Thanks for the recommendation of Jim Hunter Suspension in Blacktown

    My Koleos is a 2014 Bose 4x2 Auto Petrol. At that time it's the mid trim between the Expression and the Privilege series. And my tyres are 225/60 R17 which came as standard size when I made the car purchase.

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    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by sydfreet View Post
    Yeah... the suspension is probably stiff. coupled with maybe bouncy tyres :p
    I hate using the word bouncy unless maybe talking about smutty things built in pairs.... But yes I can sort of see how 29 psi could be like that.
    Get the Pressures back up to closer to 40 psi and at least good braking and cornering will return!!

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    Thanks Dave for the recommendations. I did test out different PSI over multiple months ranging from 28 - 38 PSI and found the sweet spot to be around 32PSI. At 38PSI the ride was harsh, I could feel every pebble on the road

    At 32PSI it doesn't transmit the pebbles but dents and potholes are transmitted and it's jarring (hope that's the right word now). Coupled with the stiff suspension that Koleos comes with.

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    Veni Vidi Posti 68 404's Avatar
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    Wear out the current tyres and try Korean OEM tyres next time.
    If you want the existing tyres worn out quickly, swap cars with Jo Proffi and they'll be ready to replace by Monday morning

    Dave
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    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by 68 404 View Post
    Wear out the current tyres and try Korean OEM tyres next time.
    If you want the existing tyres worn out quickly, swap cars with Jo Proffi and they'll be ready to replace by Monday morning

    Dave
    Damn truth in that!!
    I bought these expensiveish michi tyres and on day one decided to give them a go. Took a significant bit off the edge of the tread and all those little whiskers disappeared from the front two tyres
    Did a tyre rotation and now with a new looking pair on the front am playing a discipline game of how long can i keep my tread looking new.
    Havent told the wife that its her tyres on the i30 im now flogging just for the fun of it.

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    Certainly if you want your tyres to wear out quicker drop the pressures. You'll generate more heat from the increased flex and movement and get greater (arguable) grip for a much shorter time - along with the blancmange handling and steering that comes from under inflated tyres.

    Don't use under inflated tyres for suspension travel - they're just not designed for that !

    Mind you, I drive the car that Jeremy Clarkson famously remarked that it was great 'as long as you don't mind a little blood in your urine' and find the suspension tune very nice indeed !

    Cheers

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    You have to be aware what markets these cars were designed to sell in.

    The Toyota Kluga, Hyundai Sata Fe, Tuscon et all were all configured for the US market.
    Big soft spongy vehicles - just as the yanks like them.
    Comfort over handling.

    The Euros (currently) value handling over comfort (in the majority of the cases).

    The Koleos is the cousin of the Nissan X-trail.
    Driven both, X-trail noticeably softer.

    T-30 Xtrail came with 16" tyre/rim combo.
    Koleos came with 17's.

    T-31 X-trail came with 17 & 18" combos.

    Series 2 Koleos comes also with 17/18" combos.

    It has always been Renaults claim to fame.
    Although now the long travel suspension cars are disappearing from Renaults stable.

    After 3 months you won't notice the issue.

    ( Although I do admit to steering around potholes.
    Normally to save the rims but now to avoid the crash of the suspension ).

    My 2 drachmas (less value than other peoples opinions....)

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    Sounds like a tyre de laminating to me ,im thinking its far to young to be having shocker trouble .take it to a tyre place ,or jack up one wheel at a time and give it a spin ,while someone watches it from front or rear ,pugs ,ps check the simple things first ,

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    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by pugwash View Post
    Sounds like a tyre de laminating to me ,im thinking its far to young to be having shocker trouble .take it to a tyre place ,or jack up one wheel at a time and give it a spin ,while someone watches it from front or rear ,pugs ,ps check the simple things first ,
    Can You actually jack up one tyre and give it a spin on a Koleos???
    I know on the RX4 you couldn't…you'd need to jack up all 4 and give them all a spin.

    Jo
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    1000+ Posts Kim Luck's Avatar
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    Quote Originally Posted by jo proffi View Post
    Can You actually jack up one tyre and give it a spin on a Koleos???
    I know on the RX4 you couldn't…you'd need to jack up all 4 and give them all a spin.

    Jo
    The Rx4 was constant 4x4 with a viscous drive at the rear. I never tried rotating a single wheel but as there is a differential at both ends, there should be nothing to stop you. Owners were warned not to attempt to use the engine to drive wheels whilst jacked. (The traction control would have you off the jack in a flash.) Similarly you were warned not to tow the vehicle with two wheels on the ground as the constant 4x4 would rotate all wheels. The Koleos has the X-Trail 4x4 system, which isolates the rear wheels unless traction is required. I haven't tried rotating a single wheel but I'm thinking you could.
    It's another lovely day! Again!

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    Sorry about that, forgot about 4 wheel drive but you get the gist ,was driving my sons honda 4 b in sydney sounded like he had a wheel bearing problem ,a drowning noise from the left rear .he had it checked out was a lump in the tyre ,a lumpy tyre can sure shake things up on the way home from the mall ,pugs

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    Well, all very interesting....

    It's back to my basic grumble about manufacturers not being too interested about ride versus cost of suspension engineering and being over-sensitive to motoring journalists being rude about a bit of body roll.

    I reckon all you can do with the Koleos is find a way of getting higher profile tyres on 16" rims, get good professional advice on shock absorbers and spring rates and put up with the outcome. Trouble is, what you've bought is the engineering combination compromise dialled into the design. Hmm. Be interesting to hear the outcome and best of luck with it.

    I must go and test drive one sometime having been wise from the outside.....
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    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by JohnW View Post
    Well, all very interesting....

    It's back to my basic grumble about manufacturers not being too interested about ride versus cost of suspension engineering and being over-sensitive to motoring journalists being rude about a bit of body roll.

    I reckon all you can do with the Koleos is find a way of getting higher profile tyres on 16" rims, get good professional advice on shock absorbers and spring rates and put up with the outcome. Trouble is, what you've bought is the engineering combination compromise dialled into the design. Hmm. Be interesting to hear the outcome and best of luck with it.

    I must go and test drive one sometime having been wise from the outside.....

    I don't understand the ride vs cost of suspension engineering argument.
    Never do I feel that the koleos is under engineered in the suspension dept.
    That it might not be engineered to your or the Op's tastes, I can understand though.

    I've tried and tried to rattle it, and even with tyres that had gone hard with age, in the wet, I could only get the traction light to come on when pulling the most ridiculous manoeuvres designed to get the back end unsettled.
    I would call that a well engineered chassis/ suspension.

    Some people like their cars to handle like boats.... thats what boats are for.

    If manufactures are listening to journo's, and the koleos is the net result, I'm cool with that.

    It steers, accelerates, brakes brilliantly, and is the most well behaved (engineered) car I've ever owned.

    Jo

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