New standard springs - big change in ride

New standard springs - big change in ride

Author
Discussion

Aladoro69

Original Poster:

126 posts

71 months

Wednesday 19th February
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My PE was in a month or so back for service at Manchester and they found 3 broken coil springs so replaced all 4 (at crazy cost to me, as it's not seen as a fault by Alpine)
Initially I felt it was tighter than previous
Having now done some more distance, the ride definitely feels different and not necessarily in a good way
Where originally the ride felt more compliant (after a few miles while dampers warmed up), now it is consistently more jiggly and slightly unsettled like a mismatch between springs and dampers
It isn't noticeably much harder, but equally it's certainly not what I've been used to
The car now has 14k and it's obviously nearly 7 years old, so I can understand that the dampers will have softened and combined with new springs will feel different bit it makes me wonder if Alpine have changed the standard springs site to the number of broken items

Had anybody else replaced with "standard" springs and felt a marked difference in ride?

Rocket.

1,623 posts

263 months

Wednesday 19th February
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Could be that a damper is also shot? My car is a 2019 car and had both rear dampers and springs replaced, car drives a lot better now.

Michael-tcxzm

21 posts

106 months

Thursday 20th February
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Could this be the reason why the journalists (think Dan Prosser) is convinced that the PE rides and handles sweeter than the GT? Despite the GT apparently being PE chassis with S power.

Perhaps Alpine changed the standard spring and the GT got this later spring?

gloomington

75 posts

33 months

Thursday 20th February
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Don't hate on me for my lack of knowledge here... Would suspension replacement knacker up the geometry settings? Only asking because I've had two GTs and both felt much more settled on the road once the Life110 settings were applied.

k_m

164 posts

16 months

Thursday 20th February
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According to the Renault part numbers, the springs for Pure and GT are the same and haven't been changed since 2018. The numbers are printed onto the springs right behind the EIBACH logo in case you'd like to check.

Pure, GT: Front 6020015033, Rear 6020015061
S: Front 6020016270, Rear 6020016280

With new springs installed the ride height might be initially a few mm higher until they settle a little over time, but that shouldn't have such a huge effect on the cars behaviour like you described.

jont-

160 posts

103 months

Thursday 20th February
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Any chance they supplied S springs by mistake? Or got front/rear swapped? (not sure how much the lengths differ so whether that's even possible)

Colin P

497 posts

157 months

Thursday 20th February
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Knowing garages I would suggest that the most likely cause is that the geo has not been redone or at best a simple 2 wheel tracking performed. First thing I'd check.

Captainian

69 posts

178 months

Thursday 20th February
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Sounds like knackered dampers to me. Very different vehicle, but I just changed the dampers (only) on my Vito van and it's gone from jiggly and unpleasant to supple and composed. Wonderful.

It's on lowered/firmer Eibach springs, and I had assumed that I was just getting too old and intolerant of the sport springs, but no, 'twas knackered dampers.

Good move as I was even getting into 'new van' mode.

k_m

164 posts

16 months

Thursday 20th February
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jont- said:
Any chance they supplied S springs by mistake? Or got front/rear swapped? (not sure how much the lengths differ so whether that's even possible)
S springs: possible but unlikely, as the dealer has to enter the VIN to order parts.
Swapped front/rear: absolutely impossible, as the car would sit like a beach buggy on the front and on ground at the rear.

Michael-tcxzm

21 posts

106 months

Thursday 20th February
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k_m said:
According to the Renault part numbers, the springs for Pure and GT are the same and haven't been changed since 2018. The numbers are printed onto the springs right behind the EIBACH logo in case you'd like to check.

Pure, GT: Front 6020015033, Rear 6020015061
S: Front 6020016270, Rear 6020016280

With new springs installed the ride height might be initially a few mm higher until they settle a little over time, but that shouldn't have such a huge effect on the cars behaviour like you described.
Good info - just wonder if they 'up-revved' the same part number perhaps. Wouldn't make sense from a Engineering perspective but I've seen weirder things happen.

Otherwise I really don't get why the PE would ride any differently to a GT, despite journos claiming it does.

Colin P

497 posts

157 months

Thursday 20th February
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Michael-tcxzm said:
Otherwise I really don't get why the PE would ride any differently to a GT, despite journos claiming it does.
Seats? Could impact how the ride gets translated through to the driver. Have the ARBs changed perhaps?

k_m

164 posts

16 months

Thursday 20th February
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Michael-tcxzm said:
Otherwise I really don't get why the PE would ride any differently to a GT, despite journos claiming it does.
I cannot confirm that. I test drove intensively a 2019 Pure and a 2023 GT and both had exactly the same ride quality. No difference at all to me.

PS: the whole chassis, so dampers, springs and ARB, is the same on Pure and GT. According to the part numbers nothing has been changed since 2018.


Edited by k_m on Thursday 20th February 16:55

7en

323 posts

25 months

Sunday 23rd February
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Michael-tcxzm said:
k_m said:
According to the Renault part numbers, the springs for Pure and GT are the same and haven't been changed since 2018. The numbers are printed onto the springs right behind the EIBACH logo in case you'd like to check.

Pure, GT: Front 6020015033, Rear 6020015061
S: Front 6020016270, Rear 6020016280

With new springs installed the ride height might be initially a few mm higher until they settle a little over time, but that shouldn't have such a huge effect on the cars behaviour like you described.
Good info - just wonder if they 'up-revved' the same part number perhaps. Wouldn't make sense from a Engineering perspective but I've seen weirder things happen.

Otherwise I really don't get why the PE would ride any differently to a GT, despite journos claiming it does.
Any changes to the parts would definitely result in the parts/numbers being superseded for traceability.

It's true all the cars with standard suspension have the same springs, interestingly the PE does have different part numbers for dampers.

The only journalist I recall mentioning the PE riding differently was Dan Prosser, after buying an A110 himself he even swapped the dampers from a friend's PE and didn't seem convinced it made that much difference.

I think it probably comes down to the mileage on press cars, different test roads and different speeds; on one road my A110 can feel utterly smooth and compliant and another road it feels like a tight sports car where I feel every bump, overall it's a great compromise between the two.

k_m

164 posts

16 months

Sunday 23rd February
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7en said:
...interestingly the PE does have different part numbers for dampers...
Interesting... do you have the PE damper part numbers on hand?

ChocolateFrog

31,651 posts

187 months

Sunday 23rd February
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After 7 years I would expect the dampers to be well past their best anyway.

If the springs have been snapped for some time, which would seem likely if 3 have gone then the car would be sat at a different ride height and the damper working in a slightly different range of motion.

Even assuming the garage didn't cock up he install, resetting the dampers to factory height could have had a negative impact.


domrusty

290 posts

53 months

Sunday 23rd February
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My 2020 Legende failed it's MOT last month with a cracked rear spring, so with some spectacular application of man-maths, I’ve bought a set of Life110 AST coilovers, being fitted next month.

It’s been suggested before that the stock dampers are quite likely built down to a price, so it seemed pointless shelling out for the recommended pair of new springs, when for a few more ££s I could upgrade the entire suspension.

I figure the car deserves it. Plus it’s my birthday in March smile

Aladoro69

Original Poster:

126 posts

71 months

Sunday 23rd February
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Due to other commitments, the car had done less than 500 miles between MOTs
It had just had an an MOT 3 weeks before and passed. I can accept that potentially 1 spring broken could have been missed but I have used the same test again for a long as I trust them to find faults
On the 40ish mile drive to Manchester the car didn't write seem right, however I'd be amazed if all 3 snapped within the same trip

As for resetting damper ride height, the dampers are standard Alpine so don't believe that there's any option to change anything other than for new springs and follow up with a geometry check and adjust if anything out of line

I can also accept that after 7 years the original dampers won't be as good as they originally were but with under 14k miles (and always garaged) they shouldn't have suddenly gone off

The difference is quite marked compared to the previous feeling of sort of spring and damper working together for a more fluid feel, as opposed to stiffer spring rate

Although part numbers may not have changed, I would think that there is every chance that although the specified rate is declared the same, the material may have changed slightly leading to difference in feeling

The fact that there are so many people reporting broken coils and many in relatively low use, may have led to a change in either material or heat treatment

However, Alpine accept that there are a lot who have suffered broken springs, but they deny that it is a fault issue and class springs as wear and tear item

2 sMoKiN bArReLs

31,123 posts

249 months

Sunday 23rd February
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OP, if the car was in warranty or extended warranty I'm simply amazed the springs weren't replaced free of charge.

I've had busticated springs on a number of marques (not Renault or the like admittedly) and they all been replaced under warranty.

Perhaps I've just been lucky.

Hoofty

756 posts

204 months

Sunday 23rd February
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It might be worth asking if the service procedure states that the damper bush bolts are torqued up at normal ride height. It should do - and they probably were - but if not, the resultant wind-up in the bush can cause symptoms like you’ve described.

k_m

164 posts

16 months

Sunday 23rd February
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The A110 OEM springs with their rather low rates have pretty thin coils, that's why they might break so easily.

If all three springs snapped at the same time maybe that happening killed also the dampers?