Carlston

If you're looking for some impressive wheels for the Superb MK3, perhaps consider 245/35R20 fitted to 8Jx20 ET41 5/112 57.1 alloy rims from the Kodiaq. 245/35R20 has almost the same outside diameter as the 245/40R19. As you can see in the chart below, there's less than 1mm difference in the outside diameter. As you can see in the ETRTO chart below, both the 245/40R19 and 245/35R20 can be fitted to an 8J rim width. Outside diameter of tyres 245/40R19 678.6mm 245/35R20 679.5mm ETRTO approved rim widths 245/40R19 8.0-8.5-9.5 255/40R19 8.5-9.0-10.0 245/35R20 8.0-8.5-9.5 255/35R20 8.5-9.0-10.0 8Jx20 ET20 5/112 57.1 Kodiaq alloy rims https://eshop.skoda-auto.cz/alu-kola/c/alloyWheels?sort=priceAsc&q=%3AscoreDesc%3AcarType%3AKodiaq%2B%282016%2B%29%3ArimDiameter%3A20%22# Continental SportContact 7 245/35R20 95Y XL (Euro label C A 72dB) https://www.blackcircles.com/catalogue/continental/sport-contact-7/245/35/R20/Y/95/m?tyre=43308084

There's a good choice of aftermarket rear springs that match 5Q0511115Q and 5Q0511115R, but a very limited choice for 5Q0511115S. Because you're already one weight range up on Swirly182's car (which doesn't have DCC) and the limited range of springs matching 5Q0511115S, I would stick to 5Q0511115R. Also, there was probably nothing wrong with the rear springs when your car was new. It's likely that they've just sagged over time. Kilen and KYB are probably better quality springs than the OE ones Skoda used, so they might be less prone to sagging. I expect Skoda choose one weight range higher for your car because you have electronically adjustable suspension (DCC), whereas Swirly182's car doesn't. This means that for comfort you can put your shock absorbers in comfort mode, whereas Swirly182's car doesn't have DCC so can't adjust the suspension. Fitting new rear 5Q0511115R rear springs should bring the rear ride height back to what it was when it was new. As you can see below KYB RA7157 has an uncompressed length 10mm longer than KYB RA7156. Although they both have the same 11.25mm wire diameter, KYB RA7157 is a slightly stiffer spring than KYB RA7156 because it has a slightly smaller number of coil turns (which makes the spring stiffer when all other things are equal). I would estimate that KYB RA7157 is about 5% stiffer than KYB RA7156. KYB RA7156 rear spring (matches 5Q0511115Q) Length 332mm Wire diameter 11.25mm Weight 1.7mm KYB RA7157 rear spring (matches 5Q0511115R) Length 342mm Wire diameter 11.25mm Weight 1.6kg KYB RA7157 rear spring on ebay https://www.ebay.co.uk/itm/235063047933 If you're looking for bargain price rear springs, then I suspect the following aftermarket springs are rebranded KYB RA7157 springs. The reasons being that the specifications given by these other brands exactly match the specifications given by KYB, and they are using the same 7157 code as KYB uses. The Japko is particularly cheap on autodoc at about £15 each (plus shipping) on a 30% to 36% off day, usually Mondays (German time zone). Notice that Japko ZCJ7157A, Ashika ZCA7157A, and Japanparts ZC7157A are all using the same photo of the spring, with the same number of coil turns. Japko ZCJ7157A, Ashika ZCA7157A, and Japanparts ZC7157A (I suspect these are rebranded KYB RA7157) https://www.autodoc.co.uk/car-parts/oem/5q0511115r?search=OEN 5Q0511115R&supplier[0]=85&supplier[1]=10914&supplier[2]=10029&supplier[3]=193

The answer that I would choose is to change to 205/55R16 tyres fitted to 6Jx16 ET35 5/100 57.1 rims. However, many do choose to keep their low profile tyres for aesthetic reasons and possibly sharper steering response, but at the expense of a harder ride, in which case just look for quieter 215/45R18 tyres. 215/45R18 is an expensive tyre size, often costing over twice the price of the much cheaper 205/55R16. 205/55R16 is the most common car tyre size in Europe. With the far more expensive 215/45R18 tyre size, it's mainly available in W and Y speed ratings and usually XL eXtra Load. On the Scala, these attributes make for an unnecessarily stiff carcass, and therefore an unnecessarily hard ride. It also adds weight to the tyre, reducing the acceleration and increasing the unsprung weight...which has a negative effect on the car's handling. 205/50R17 is somewhere in the middle of 205/55R16 and 215/45R18. Compared to the narrow 205 tyre sizes, 215/45R18 will increase the car's fuel consumption...certainly enough of a difference to affect the car's CO2 emissions. It's good to see that Skoda has chosen a relatively narrow 6J rim for the Scala's 205/55R16 tyre size, as this again helps ride comfort compared to using a wider 6.5J or 7J rim. It also helps protect the rim from kerbing damage, because the sidewalls bulge out quite a bit on the relatively narrow rim. Continental UltraContact 205/55R16 91H (Euro label 69dB) https://www.camskill.co.uk/m62b0s291p213155/Continental_Tyres_Car_Continental_Conti_Ultra_Contact_205_55_R16_91H_FR_TL_Fuel_Eff_%3A_B_Wet_Grip%3A_A_NoiseClass%3A_B_Noise%3A_69dB Continental UltraContact 205/50R17 89V (Euro label 69dB) (37% more expensive than 205/55R16) https://www.camskill.co.uk/m54b0s304p212935/Continental_Tyres_Car_Continental_Conti_Ultra_Contact_205_50_R17_89V_FR_TL_Fuel_Eff_%3A_B_Wet_Grip%3A_A_NoiseClass%3A_B_Noise%3A_69dB Continental UltraContact 215/45R18 89W (Euro label B A 69dB) (75% more expensive than 205/55R16) https://www.camskill.co.uk/m61b0s2151p214385/Continental_Tyres_Car_Continental_Conti_Ultra_Contact_215_45_R18_89W_FR_TL_Fuel_Eff_%3A_B_Wet_Grip%3A_A_NoiseClass%3A_B_Noise%3A_69dB 6Jx16 ET35 5/100 57.1 alloy rim https://eshop.skoda-auto.cz/cs_CZ/alu-kolo-nanuq-16-scala-kamiq/p/654071496B+8Z8

As JR RS had rubbing with 245/40R19 fitted to 8Jx19 ET29 (15mm spacers effectively change an ET44 offset to ET29) but not 245/40R19 fitted to 8Jx19 ET34 (10mm spacers effectively change an ET44 offset to ET34), you should be ok with 245/40R19 fitted to 9Jx19 ET41. Notice in the below "Actual width of inflated tyres" chart, that the outside width of the 245/40R19 (measured at the widest point) is about 12mm wider (ie. 6mm each side) when fitting it to a 9J rim compared to fitting it to an 8J rim. On the outside, the 245/40R19 fitted to a 9Jx19 ET41 rim will be in about the same place as a 245/40R19 fitted to an 8Jx19 ET35 rim. On the inside, the 245/40R19 fitted to a 9Jx19 ET41 rim will be in about the same place as a 245/40R19 fitted to an 8Jx19 ET47 rim. So unless there's less than 6.5mm of clearance with the standard 235/40R19 fitted to a 8Jx19 ET44 rim, the 245/40R19 fitted to a 9Jx19 ET41 won't rub on the inside. However, Bentley normally fits a much wider 275/40R19 to this 9Jx19 ET41 rim. The sidewalls of a 245/40R19 fitted to this rim will be quite stretched, which not only makes the ride noticeably harder compared to fitting the same size tyre to an 8J rim, but the sidewalls won't bulge out much if at all, resulting in the alloy rim being very vulnerable to kerb damage. You might find that the Bentley rim is a lot heavier than the normal Superb MK3 rims, because the Bentley is likely to be a much heavier car and therefore need stronger rims. However, standard 19" rims on the Superb MK3 are no lightweight. Perhaps around 14.6kg each for the 8Jx19 ET44 rims, depending on exact model. Actual width of inflated tyres (measured outside of sidewall to outside of sidewall, ie. at widest point) 235/40R19 fitted to 8J = 235mm 245/40R19 fitted to 8J = 242mm 245/40R19 fitted to 9J = 254mm

What is the OEM part number for your current rear springs? If your current rear springs have started to sag, you might find that you just need to use new rear springs matching the original OEM part number, or because you've added a spare wheel and a towbar perhaps go up one in the hierarchy, ie. the next weight range spring. If you've currently got 5Q0511115Q rear springs, perhaps 5Q0511115R would be about right. Photo showing rear springs with OEM part number 5Q0511115Q Kilen 63142 rear springs matching 5Q0511115Q https://www.ebay.co.uk/itm/123825662727 Kilen 63143 rear springs matching 5Q0511115R https://www.ebay.co.uk/itm/113808057980

KYB RA5331 is sold to replace only OEM part number 3Q0511115AL so should be an exact match. Although 3Q0511115AL is a little stiffer than 3Q0511115AK, it's still a standard ride height rear spring. As you can see in the chart below, both 3Q0513049FN and 3Q0513049FP are listed as standard ride height rear shock absorbers for the Superb MK3 front wheel drive. Searching for both of these two OEM part numbers should help to find suitable aftermarket rear shock absorbers. Sachs 318202 is listed against both of these OEM part numbers, so should be a good choice. Bilstein B4 19-232362 is not listed against either 3Q0513049FN or 3Q0513049FP. Superb MK3 front wheel drive rear shock absorbers (1JA = standard ride height) 3Q0513049FP Rear shock absorber 1JA 3Q0513049FN Rear shock absorber 1JA The gknautomotive, Kilen/Lesjofors, and KYB online spring catalogues all list 3Q0511115AK as being suitable for the Superb MK3 estate 2.0TDI front wheel drive, so going up one in the weight range to 3Q0511115AL seems a sensible choice if the standard rear springs are a little on the soft side. However, it's always worth checking what the standard springs are, as they won't always be exactly the same as what's listed in the various online spring catalogues. Superb MK3 front wheel drive rear springs (1JA = standard ride height) 3Q0511115AH Coil spring 1JA+0YA 3Q0511115AJ Coil spring 1JA+0YB 3Q0511115AK Coil spring 1JA+0YC 3Q0511115AL Coil spring 1JA+0YD 3Q0511115M Coil spring 1JA+0YE 3Q0511115N Coil spring 1JA+0YF 3Q0511115P Coil spring 1JA+0YG 3Q0511115Q Coil spring 1JA+0YH 3Q0511115R Coil spring 1JA+0YJ 3Q0511115BC Coil spring 1JA+0YK Skoda parts catalogue https://www.lllparts.co.uk/catalogs/skoda/CZ/SUP/851/5/511/511000 VW Codes Decoder 0YA = Weight range 1 0YB = Weight range 2 0YC = Weight range 3 0YD = Weight range 4 0YE = Weight range 5 0YF = Weight range 6 0YG = Weight range 7 0YH = Weight range 8 0YJ = Weight range 9 0YK = Weight range 10 http://igorweb.org/equidec.aspx

What 12.5mm springs have you purchased? Do you mean Bilstein B4 19-232362 ? Do you mean Sachs 318 202 ?

256x22mm front brake discs with MANDO calipers https://www.lllparts.co.uk/catalogs/skoda/CZ/FAB/797/6/615/615012

Many owners have reported rattles with the Brembo front brake pads when fitted to the big 340x30mm front brake discs.

Good quality pads don't need shims. Shims are just there to stop poor quality pads sqeaking. I purchased some ATE pads recently, and because they are good quality, no shims were included in the box.

Eibach R19488 is sold to replace three OEM part numbers, ie. 5Q0411105HD, 5Q0411105GD, and 5Q0411105KE. Therefore, the Eibach R19488 might not be a copy of 5Q0411105HD, but one of the other two OEM part numbers. If the Eibach R19488 is a copy of 5Q0411105HD, then it's normal for manufacturers to make slightly different lengths from one another. This is because they purchase a spring from VAG to copy, and not surprisingly the springs that VAG sells are not always exactly the same length due to manufacturing tolerances, different factories, different batches, etc. I once purchased two genuine and supposedly identical OEM springs, but they were about 10mm different in length. They had been manufactured in different years, so they weren't from the same batch, and maybe not even the same factory. The parts guy immediately gave me a full refund and ordered in freshly made parts, that hadn't been sitting around on the shelf for years. The freshly ordered in parts were an identical pair. Rear sports coil springs for Octavia MK3 front wheel drive, standard rear axle, ie. not multi-link rear axle (build code 0N1=standard rear axle) 5Q0511121AK Rear sports coil spring 1JC+0YA 5Q0511121AL Rear sports coil spring 1JC+0YB 5Q0511121AM Rear sports coil spring 1JC+0YC 5Q0511121AN Rear sports coil spring 1JC+0YD 5Q0511121AP Rear sports coil spring 1JC+0YE 5Q0511121AQ Rear sports coil spring 1JC+0YF 5Q0511121AR Rear sports coil spring 1JC+0YG 5Q0511121AS Rear sports coil spring 1JC+0YH 5Q0511121AT Rear sports coil spring 1JC+0YJ Eibach R18898 is sold to replace 5Q0511121AM. Eibach R17249 is sold to replace 5Q0511121AN and 5Q0511121AP. Eibach R17744 is sold to replace 5Q0511121AQ and 5Q0511121AR. Monroe SP4175 is sold to replace 5Q0511121AM and 5Q0511121AN.

Have you fitted Bilstein B8 shock absorbers, or something similar? The car shouldn't fill wallowy with those fitted, as they are a monotube design. Even Skoda's DCC (electronically adjustable) shock absorbers aren't monotube, just the ordinary twin-tube design.

According the gknautomotive spring catalogue, the Octavia MK3 2.0TDI 184HP VRS manual gearbox uses 5Q0411105HC sports front springs, and the Octavia MK3 2.0TDI 184HP VRS automatic gearbox uses 5Q0411105HD sports front springs. However, the Kilen spring catalogue thinks that the springs are one or two weight ranges higher than this. So it's best to check your car's build codes to find out exactly what springs the car left the factory with. gknautomotive lists the 5Q0411105HD as having a length of 284mm and a wire diameter of 12.25mm. Notice in the chart below, that 5Q0411105HD corresponds to build code L17. If you have a list of all your car's build codes, you can check whether it has build code L17, or some other Lxx number. Front sports coil springs for Octavia MK3 front wheel drive 1 5Q0411105HC Front sports coil spring 1 paint mark 1 paint mark green Grey L16 1 5Q0411105HD Front sports coil spring 1 paint mark 1 paint mark brown white L17 1 5Q0411105HE Front sports coil spring 1 paint mark 1 paint mark brown yellow L18 1 5Q0411105HF Front sports coil spring 1 paint mark 1 paint mark brown orange L19 https://www.lllparts.co.uk/catalogs/skoda/CZ/OCT/753/4/411/411030 Rear sports coil springs for Octavia MK3 front wheel drive, standard rear axle, ie. not multi-link rear axle (build code 0N1=standard rear axle) 5Q0511121AK Rear sports coil spring 1JC+0YA 5Q0511121AL Rear sports coil spring 1JC+0YB 5Q0511121AM Rear sports coil spring 1JC+0YC 5Q0511121AN Rear sports coil spring 1JC+0YD 5Q0511121AP Rear sports coil spring 1JC+0YE 5Q0511121AQ Rear sports coil spring 1JC+0YF 5Q0511121AR Rear sports coil spring 1JC+0YG 5Q0511121AS Rear sports coil spring 1JC+0YH 5Q0511121AT Rear sports coil spring 2 1JC+0YJ https://www.lllparts.co.uk/catalogs/skoda/CZ/OCT/753/5/511/511000 VW codes decoder 1JA = Rear shock absorption, basic design 1 UC7 = Rear shock absorption, chassis with increased ride height 1JC = Rear shock absorption for sports design 0N1 = Standard rear axle 0N4 = 4-link rear suspension http://igorweb.org/equidec.aspx

If the thermostat is working correctly, it won't open until the engine has warmed up. So I doubt that will help. It just means that on a hot day, the engine might overheat because air is being obstructed from flowing freely through the radiator.

If you're on 215/45R16 tyres, then changing to 185/60R15 would help the fuel consumption...as 30mm difference in tyre width is a lot. The graph of the remapped 1.2TSI 110HP engine looks a lot better than a remapped 2.0TSI 245HP VRS engine, because it's got a lot of torque at low revs and a lot of power at high revs. The graph of the remapped 2.0TSI 245HP engine shows that torque drops off rapidly below about 2,750rpm, and it's got so little top end power that it's not worth revving past about 5,250rpm. The fuel economy of the 1.2 will also be in a different league compared to the petrol guzzling 2.0, and it looks like the road tax is only £20/year. Then of course there's the insurance group, so it looks like a win, win, win, for the Fabia.

Check the white build code label under the carpet in the spare wheel well area. This will show whether it's the 81kW, 103kw, or 125kW engine. Yeti 2.0TDI Euro 5 engines 81kW/110PS/250Nm 103kW/140PS/320Nm 125kW/170PS/340Nm Yeti https://en.wikipedia.org/wiki/Škoda_Yeti

A 15" rim (with 195/65R15 tyre) will fit the Octavia MK2, if the front brake discs aren't bigger than 288mm. According to Jurid on autodoc, it looks like it is only the Octavia MK2 RS models that use the bigger 312mm front brake discs, ie. 2.0TDI 170HP and 2.0TSI 200HP. VW W9165 6Jx15 ET47 5/112 57.1 steel rim https://www.oponeo.co.uk/steel-wheel/vw-w9165#23055917

The ebay link that I posted for the VW Passat B8 wheels (same specification as the Superb MK3) was from a German seller.

When you looked at the Skoda "official" wheels, were they in the Skoda accessories catalogue? These are much cheaper than factory wheels, often less than half the price. In the Skoda accessories catalogue, 6.5Jx17 ET41 and 7jx17 ET40 rims for the Superb MK3 are about £200 each. So including Barum winter tyres, you should be able to get a set of 4 winter wheels for about 1,500CHF. "skoda eshop cz" accessories catalogue rims https://eshop.skoda-auto.cz/alu-kola/c/alloyWheels?sort=priceAsc&q=%3AscoreDesc%3AcarType%3ASuperb%2BIII%2B%282015%2B%29&show=Page# Barum Polaris 5 215/55R17 98V XL https://www.mytyres.co.uk/rshop/tyre/Barum/Polaris-5/215-55-R17-98V-XL/R-371506 Set of 4 new 215/55R17 Continental TS815 winter tyres and 6.5Jx17 ET41 VW Passat B8 rims (about £740) https://www.ebay.co.uk/itm/334903159738 VW Passat B8 parts catalogue (17" rims) https://www.lllparts.co.uk/catalogs/vw/RDW/PA/793/6/601/601060

I've got a small 12V electric compressor for the car, in case I get a slow puncture and need to add some air while out and about. It plugs into the cigarette lighter socket. However, I've never needed to use it, although I did check that it worked ok when I first purchased it. Good job too, as it promptly blew the fuse for the cigarette lighter socket...so I replaced the blown 5A fuse with a 10A fuse...which seemed to do the trick.

If you change your cambelt every 5 years, you are taking a risk that someone will fit a poor quality cambelt, or mess up the engine by doing the job incorrectly. So even the cautious approach isn't risk free.

I've tried both, and it's easier to use a bicycle track pump. There are no trailing electrical leads, and they don't break after a couple of years. The SKS Rennkompressor is one of the best bicycle track pumps and can last a lifetime. Because it's designed to pump high pressure bicycle tyres up to 230psi, it makes very light work of car tyres. Cycle teams have been using the SKS Rennkompressor on the Tour of France for over 50 years, as it was the original bicycle track pump. SKS Rennkompressor https://www.sks-germany.com/produktkategorien/pumpen/

The Superb MK2 hatchback/estate with standard ride height will have similar handling. This is because although the estate will be slightly heavier at the rear and have a slightly higher centre of gravity, the rear springs are slightly stiffer. However, you can easily change the springs and shock absorbers to improve handling, especially if the original shock absorbers are past their best. With a 10 year old secondhand car, it's probably best to concentrate on the car's condition. If you want good handling, just make sure the springs are in good condition (ie. not broken or sagging) and the shock absorbers are in good condition. Refreshing old, worn shock absorbers can transform the handling.

You might want to check your speedometer reading, because the standard 215/60R16 tyre size has a 5.1% larger outside diameter than the smaller 205/55R16 tyre size. At an indicated 50mph, you might find that the actual speed is somewhere between 45mph and 47.5mph, ie. 5% to 10% less than indicated, on the 205/55R16 tyre size. It's easy to check, because google maps now has a GPS speedo built into the app. Outside diameter of tyres 205/55R16 631.9mm 215/60R16 664.4mm (+5.1% larger outside diameter compared to 205/55R16)

Check the parts diagram. Skoda parts catalogue https://www.lllparts.co.uk/catalogs/skoda/CZ/OCT