Why is my ride height so wrong!??

andycupra

status subject to change
had AP set fitted to my cupra. Horrible. ruined the car.
Most kits lower the rear too much in my opinion, i presume you went the 30/40mm kits to avoid this. i'd be gutted too.
can you take a pic of the top mount in the engine bay, see if they have seated fully. sometimes the fronts settle more and take a time to do so.
 

Connor H

Active Member
Dec 19, 2019
1,015
498
Essex
You could always try the power flex top mounts that drop the front 10mm


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Retiree2013

Active Member
Jun 29, 2020
37
18
There are 2 things which could be at fault, either the springs are too highly rated and causing the ride height to be to high and / or the strut length between the bottom cup where the spring sits and the positive stop at the hub is too long. I had this problem many years ago when I put struts from a 1600 Ford Escort onto a 1300 Escort, damn thing looked like Thunderbird 2 about to take off from it’s launch platform on Tracy Island ( I mean the original Thunderbirds of the 1960’s and Yes I am that old ) hope this may help
 

Cuppyjoe

Active Member
Sep 15, 2018
97
20
had AP set fitted to my cupra. Horrible. ruined the car.
Most kits lower the rear too much in my opinion, i presume you went the 30/40mm kits to avoid this. i'd be gutted too.
can you take a pic of the top mount in the engine bay, see if they have seated fully. sometimes the fronts settle more and take a time to do so.

Yeah that's exactly why I went for the 40/30 kit. OK ill get one and post it...
To be honest the ride is fine, not too crashy and bouncy
 

Cuppyjoe

Active Member
Sep 15, 2018
97
20
There are 2 things which could be at fault, either the springs are too highly rated and causing the ride height to be to high and / or the strut length between the bottom cup where the spring sits and the positive stop at the hub is too long. I had this problem many years ago when I put struts from a 1600 Ford Escort onto a 1300 Escort, damn thing looked like Thunderbird 2 about to take off from it’s launch platform on Tracy Island ( I mean the original Thunderbirds of the 1960’s and Yes I am that old ) hope this may help

Ha ha. I'm too old for this too ;)
A solution may be to change the springs
 

Cuppyjoe

Active Member
Sep 15, 2018
97
20
You could always try the power flex top mounts that drop the front 10mm


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The top mounts are LCR and I think they are supposed to drop it 10mm? Plus they were £100 so not keen on spending more money on top mounts...
 

Cuppyjoe

Active Member
Sep 15, 2018
97
20
anyway, I've booked it in to take to Vasworks - pretty much the best VAG specialist in the South. So hoping they can figure it out. The guy said could be a few things, possibly something missing on the rear set up. I'll post back once they've had a look next week. Thanks for all the replies!
 

Connor H

Active Member
Dec 19, 2019
1,015
498
Essex
The top mounts are LCR and I think they are supposed to drop it 10mm? Plus they were £100 so not keen on spending more money on top mounts...

Sorry missed a word out, meant top mount bushes. They’re around 50 quid.


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Cuppyjoe

Active Member
Sep 15, 2018
97
20
Well this saga continues... Vasworks had a look and spent a good few hours on research etc. Couldn't figure it out. Checked with KW as they are the UK representative for AP and they confirmed the part numbers check out. They measured from the centre of the wheel to the top of the arch: 50mm higher at the front. Ridiculous.

Anyway, I've emailed KW and Venom stating I want a resolution: either a refund or replacement kit. Which I think is pretty fair given the kit is simply not fit for purpose.

Anyone recommend a good set of coilovers? Facepalm emoji
 

Retiree2013

Active Member
Jun 29, 2020
37
18
Stab in the dark here, but the bottom track control arm, are they the same for all Leon models of your year of manufacture, ie if the model is updated is the track control arm longer from subframe to the bottom ball joint where it connects to the stub axle underneath the drive shaft.
The only other thing I can suggest is to have it stripped down completely, have the spring tested for it’s length when not under compression, then have it tested for it’s compression value at the working under pressure as if on the car, it should have compression values from the manufacturer. If the compression value is higher than that specified then the spring is your problem, on strip down check the positioning of the springs in the top and bottom cup and ensure the end of the springs are located correctly, it would not be the first time I have come across springs being incorrectly located in cups and once under pressure they do not move. Have a look at the second suggestion first before testing the second.
Hope it helps
Andy G
 

Cuppyjoe

Active Member
Sep 15, 2018
97
20
Stab in the dark here, but the bottom track control arm, are they the same for all Leon models of your year of manufacture, ie if the model is updated is the track control arm longer from subframe to the bottom ball joint where it connects to the stub axle underneath the drive shaft.
The only other thing I can suggest is to have it stripped down completely, have the spring tested for it’s length when not under compression, then have it tested for it’s compression value at the working under pressure as if on the car, it should have compression values from the manufacturer. If the compression value is higher than that specified then the spring is your problem, on strip down check the positioning of the springs in the top and bottom cup and ensure the end of the springs are located correctly, it would not be the first time I have come across springs being incorrectly located in cups and once under pressure they do not move. Have a look at the second suggestion first before testing the second.
Hope it helps
Andy G

Thanks for such detailed and technical information! My gut feeling is that the spring is wrong I.e. for a heavier car. I would have to pay someone to check all this over - I'm not experienced enough nor do I have the tools to do this myself. The installation has been checked by 2 garages. Time to go back to the supplier... again
 
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