Carlston

The shims are there to reduce brake noise. Many aftermarket brake pads don't include them because they are not noisy even without the shims. If your brakes aren't noisy without them, then you don't need them.

Have you got build code 1KD for the rear brakes? These have 253x10mm rear brake discs and are part of a TRW brake system. Lots of different rear brakes on the Golf MK6 1KD 1KE 1KF 1KS 1KT 1KV 1KW 1KY 1KZ https://www.lllparts.co.uk/catalogs/vw/RDW/GOLF/649/6 TRW GDB1330 1KD https://www.autodoc.co.uk/trw/2191943 https://www.amazon.co.uk/TRW-GDB1330-Brake-Pad/dp/B00DPIB6DO/ref=sr_1_2?crid=18E6156UWGTLU&keywords=trw+gdb1330&qid=1662841397&sprefix=trw+gdb1330%2Caps%2C59&sr=8-2

If you do try 3Q0511115M rear springs, I suggest you measure the wire diameter before fitting. I've seen these 3Q0511115M springs listed on autodoc with three different thicknesses, 12.5mm, 12.75mm, and 13.0mm. Most were listed at 12.75mm. If they have a wire diameter of only 12.5mm it might be better to return them to the seller for a full refund and not fit them, as I wouldn't expect them to be stiffer than 3Q0511115AL just longer...perhaps around 6mm longer. So your rear end might be raised 6mm but the stiffness might be the same as the 3Q0511115AL springs. Unfortunately, Kilen and Lesjofors don't list the specification of their springs. The Eibach R21093 is the only 3Q0511115M rear spring listed with a claimed wire diameter of 13.0mm, so that one might be worth trying as it should be the stiffest 3Q0511115M spring if the claimed 13.0mm wire diameter is true. 3Q0511115M https://www.autodoc.co.uk/car-parts/oem/3q0511115m?search=OEN 3Q0511115M

If your rear springs are currently 3Q0511115AL, then maybe try the next stiffness up in the hierarchy, ie. 3Q0511115M, as this is a relatively cheap and easy upgrade to try. Rear springs 3Q0511115M Kilen 65126 Lesjofors 4295136 https://www.autodoc.co.uk/car-parts/oem/3q0511115m?search=OEN+3Q0511115M&supplier[0]=246&supplier[1]=253 You might also want to look at a rear anti-roll bar from a VW Passat B8 estate 4motion 2.0TSI 206kW/280PS, ie. the VW equivalent. This is because the VW Passat B8 equivalent tends to use slightly stiffer anti-roll bars compared to the Superb MK3. K8B means hatchback, K8D means estate. VW Passat B8 rear anti-roll bars 16 5Q0511305BD Anti-roll bar 20,7X2,8 1 CZEA+ PR-1JA,1JG, 1JI,1JR,UC7, 16 5Q0511305BE Anti-roll bar 21,7X3,0 1 CRLB,DDAA, DFEA,CUPA, DFCA,DFGA, DFHA+ PR-K8B+1JA, 1JI,1JG,1JP, 1JR,UC7 16 3Q0511305B Anti-roll bar 21,7X3,0 1 CRLB,DDAA, DFEA,CUPA, DFCA,DFGA, DFHA+ PR-K8D+1JA, 1JI,1JG,1JP, 1JR,UC7 16 5Q0511305BE Anti-roll bar 21,7X3,0 1 CZEA+ PR-1JC,1JP 16 5Q0511305BF Anti-roll bar 21,7X3,6 1 CRLB,DDAA, DFEA,CUPA, DFCA,DFGA, DFHA+ PR-K8B+1JC 16 3Q0511305 Anti-roll bar 21,7X3,6 1 CRLB,DDAA, DFEA,CUPA, DFCA,DFGA, DFHA+ PR-K8D+1JC 16 3Q0511305 Anti-roll bar 21,7X3,6 1 CUAA+ PR-1JP 16 5Q0511305BE Anti-roll bar 21,7X3,0 1 CHHB+ PR-1JP 16 5Q0511305BF Anti-roll bar 21,7X3,6 1 CJXA,DNUA+ PR-1JP 16 5Q0511305BE Anti-roll bar D >> - 07.03.2016 21,7X3,0 1 CZEA,CHHB+ PR-UA7,UB4 16 3Q0511305B Anti-roll bar D >> - 07.03.2016 21,7X3,0 1 CUAA+ PR-UA7,UB4 16 3Q0511305B Anti-roll bar D >> - 02.11.2015 21,7X3,0 1 DFEA,CUPA, DFCA,DDAA, CRLB,DFGA, DFHA+ PR-UA7,UB4 16 5Q0511305BD Anti-roll bar D - 08.03.2016>> 20,7X2,8 1 CZEA+ PR-UA7,UB4 16 5Q0511305BE Anti-roll bar D - 08.03.2016>> 21,7X3,0 1 CHHB,DNUA+ PR-UA7 16 3Q0511305B Anti-roll bar D - 08.03.2016>> 21,7X3,0 1 CUAA+ PR-UA7 16 5Q0511305BE Anti-roll bar D - 03.11.2015>> 21,7X3,0 1 CRLB,DFEA, CUPA,DFCA, DDAA,DFGA, DFHA+ PR-K8B+UA7, UB4 16 3Q0511305B Anti-roll bar D - 03.11.2015>> 21,7X3,0 1 CRLB,DFEA, CUPA,DFCA, DDAA,DFGA, DFHA+ PR-K8D+UA7, UB4 16 3Q0511305 Anti-roll bar D >> - 09.02.2015 21,7X3,6 1 CUAA+ PR-UC9 16 5Q0511305BE Anti-roll bar D >> - 09.02.2015 21,7X3,0 1 DDAA,DFCA++ PR-K8B+UC9 16 3Q0511305B Anti-roll bar D >> - 09.02.2015 21,7X3,0 1 DDAA,DFCA+ PR-K8D+UC9 16 3Q0511305B Anti-roll bar D - 10.02.2015>> 21,7X3,0 1 DDAA,DFCA+ CUAA,DFHA+ PR-UC9 16 3Q0511305B Anti-roll bar 21,7X3,0 1 CRLB,CHHB, CJXA,DFEA, CUPA,DFGA, DNUA+ PR-UC9 16 3Q0511305B Anti-roll bar for vehicles equipped for emergency doctor 21,7X3,0 1 PR-F6I https://www.lllparts.co.uk/catalogs/vw/RDW/PA/793/5/501/501030

ALTAIR 19" alloy wheel for OCTAVIA IV Rim size: 7.5J x 19" ET 48 5E3071499 8ZB Silver 5E3071499A HA7 Anthracite 5E3071499B FL8 Black metallic https://eshop.skoda-auto.cz/cs_CZ/hlinikove-disky/c/alloyWheels?q=%3ApriceAsc%3AcarType%3AOctavia%2BIV%2B%282019%2B%29&page=0

The below 2022 autobild summer tyre test in size 215/55R17, has the Goodyear EfficientGrip Performance 2 in 1st place. 2022 autobild summer tyre test https://www.tyrereviews.com/Article/2022-Auto-Bild-Summer-Tyre-Test.htm 1st: Goodyear EfficientGrip Performance 2 215/55 R17 Test # Difference % Dry Braking 17th +1.1 M 97.01% Dry Handling 7th -1 Km/H 98.96% Wet Braking 13th +3.4 M 92.67% Wet Handling 4th -0.6 Km/H 99.2% Wet Circle 2nd -0.1 m/s 98.52% Straight Aqua 17th -5.6 Km/H 93.65% Curved Aquaplaning 4th -0.31 m/sec2 93.61% Noise 9th +1.7 dB 97.53% Wear 1st 100% Value 1st 100% Price 19th +235 56.07% Rolling Resistance 4th +1.41 kg / t 80.14% Premium performance with excellent handling, short braking, lowest wear on test, best value on test, low rolling resistance. Expensive.

I suggest you change to 225/55R17 size tyres fitted to 7J rims or 245/45R18 fitted to 8J rims. That should help fill the wheelarch gap. With the significantly firmer springs, I would go with 225/55R17 rather than 245/45R18 due to the significantly improved ride that the higher sidewalled 17" tyres will give. This will allow flatter cornering due to the stiffer springs while maintaining a decent level of ride comfort. The narrower tyres will also be lighter which helps handling especially while driving round bumpy corners/bends in the road. You might also want to consider high quality shock absorbers such as Bilstein B6 to go with the stiffer springs. Most aftermarket springs and shock absorbers are aimed at standard ride height, so there's far more availability of parts by sticking to standard ride height. I'm not a fan of lowered cars. It makes the car look like the springs are sagging/broken and/or there's a couple of sacks of potatoes in the boot. It also compromises the suspension travel. The front springs in the "skoda parts catalogue" aren't labelled according to the ride height, however I suspect each front spring is specific to lower ride height or standard ride height or increased ride height. Goodyear EfficientGrip Performance 2 225/55R17 101W XL https://www.blackcircles.com/catalogue/goodyear/efficientgrip-performance-2/225/55/R17/W/101/m?tyre=39948126

Hierarchy of standard ride height rear coil springs for Superb MK3 4x4 3Q0511115AL Rear coil spring 1JA+0YD 3Q0511115M Rear coil spring 1JA+0YE 3Q0511115N Rear coil spring 1JA+0YF https://www.lllparts.co.uk/catalogs/skoda/CZ/SUP/851/5/511/511005 Bearing in mind that you often carry weight in the back, I suggest you go up two in the weight range hierarchy, ie. from 3Q0511115AL to 3Q0511115N. You can see the code 1JA in the chart above, which means that these are standard ride height springs. 0YD is a weight range 4 spring, 0YE is a weight range 5 spring, and 0YF is a weight range 6 spring. Notice that D corresponds to 4, E corresponds to 5, and 6 corresponds to 6. 3Q0511115N Eibach R21706 Kilen 65127 KYB RA5338 Lesjofors 4295137 https://www.autodoc.co.uk/car-parts/oem/3q0511115n?search=OEN+3Q0511115N&supplier[0]=85&supplier[1]=112&supplier[2]=246&supplier[3]=85&supplier[4]=112&supplier[5]=246 You might also want to consider the Eibach R21093 rear spring because Eibach claims this has a wire diameter of 13.0mm whereas some of the other brands claim only 12.5mm or 12.75mm. This is sold to replace 3Q0511115M. However, because you often carry quite a bit of weight in the back of the car I would be inclined to go with the slightly stiffer 3Q0511115N rear springs. https://www.autodoc.co.uk/car-parts/oem/3q0511115m?search=OEN+3Q0511115M&supplier[0]=112

Cars that fit staggered tyres, usually have a similar outside diameter. Even if the staggered tyres don't have the same outside diameter, the manufacturer would have programmed the car's electronics accordingly.

A 2008 Roomster 1.9TDI has 288x25mm front brake discs according to Jurid on autodoc. It's a TRW brake system. Later Roomsters from around 2011 used an ATE brake system when they were fitted with 288x25mm front brake discs. Do you have front brake pads with or without a wear indicator? Both types are available. You can check that you have 288mm front brake discs by measuring them. The only other Roomster size was 256mm, so it's easy to spot the difference. Front brake discs 288x25mm (for 2008 Roomster 1.9TDI) 8 1J0615301R Brake disc (vented) D >> - 24.05.2009 288X25 2 8 6R0615301A Brake disc (vented) D - 25.05.2009>> 288X25 5/100 2 Front brake pads (for 2008 Roomster 1.9TDI) 12 6Q0698151A 1 set of brake pads for disk brake 1 PR-1LN+9U0 12 6Q0698151C 1 set: brake pads with wear indicator for disc brake 1 PR-1LN+9U1 https://www.lllparts.co.uk/catalogs/skoda/CZ/RO/481/6/615/615025

As you can see in the chart below, 5Q0411105GM is an L07 front spring. If you are finding the standard front springs too soft, then 5Q0411105GP might be a good choice. If you have a look on autodoc, you will see that 5Q0411105GM has a wire diameter of about 11.25mm whereas 5Q0411105GP has a wire diameter of about 11.75mm. This will make the front springs about 8.3% stiffer. Front ride height might be increased slightly, but only about 3mm higher if your current front springs are still in new condition, ie haven't started sagging yet. Superb MK3 front springs (not complete list) 1 5Q0411105GM Coil spring 1 paint mark 1 paint mark blue Grey 2 PR-L07 1 5Q0411105GN Coil spring 1 paint mark 1 paint mark green white 2 PR-L08 1 5Q0411105GP Coil spring 1 paint mark 1 paint mark green yellow 2 PR-L09 1 5Q0411105GQ Coil spring 1 paint mark 1 paint mark green orange 2 PR-L10 https://www.lllparts.co.uk/catalogs/skoda/CZ/SUP/851/4/411/411010 5Q0411105GP front springs Eibach R21459 KYB RA1344 Kilen 25122 Lesjofors 4095136 https://www.autodoc.co.uk/car-parts/oem/5q0411105gp?search=OEN+5Q0411105GP&supplier[0]=85&supplier[1]=246&supplier[2]=112&supplier[3]=253 Kilen 25122 https://www.ebay.co.uk/itm/353523619148?epid=251911246&hash=item524fa6554c:g:spwAAOSwSO1iMcO6&amdata=enc%3AAQAHAAAAoOyxhGHUx%2BEWeCtBRibt4RugYd13k2DNu6GizHNnip4b%2Fe95s8EAylV9UeMUpBCv6m1NwUEd0OEjNOmjAhbN10K9hV6g7Ifo6C%2BFZW9rLkMSViYajeq%2BTcZphmwmnOOehLhDcbCqsVxbB3pqRkrQA7rLl9NvJGPxIbKxvYNbedrIpbK%2BVrHZYTGY1Ej0sVaioLEhs8o85a8zqrUNo3fDClQ%3D|tkp%3ABk9SR_bKlq7iYA If you don't carry much weight in the rear, you might not need stiffer rear springs to match the stiffer front springs. Howver, if you do want stiffer rear springs, these should also be available. If you want to find the OEM part number for your rear springs, getting a copy of your car's build codes is a good place to start. There's an ebay seller who can supply the build codes for about 3 Euros. Search "skoda vin options" on ebay to find the listing.

What's the physical size of the battery? It's probably 175mm wide and 190mm high, but do check. Then what is the length? This varies in increments of about 1.5" (38mm). So could be 242mm long (about 60Ah capacity), 278mm long (about 70Ah capacity), 317mm long (about 80Ah capacity), etc. What capacity is your current battery? The battery capacity should be labelled on the top of the battery. Varta are good car batteries. If you have stop/start, it's best to get an AGM battery as this will last longer than the cheaper type. Varta are suggesting it's the 278mm long (70Ah battery). Varta Silver Dynamic AGM 570 901 076 Model: 570 901 076 Capacity: 70Ah CCA: 760A Width: 175mm Length: 278mm Height: 190mm Short Code: E39 UK Code: 096AGM https://www.varta-automotive.com/en-gb/battery-finder?type=pc&year=2017&make=106&model=14018&engine=112398&etn=570+901+076|&rec_etn=570+901+076|&ss_etn=570+901+076|&literal_search={"type"%3A"Passenger+Car"%2C"year"%3A"2017"%2C"make"%3A"SKODA"%2C"model"%3A"SUPERB+III+(3V3)"%2C"engine"%3A"1.4+TSI+(110+kW+%2F+150+PS)"}

A 205/55R16 tyre isn't really a full size spare on the Superb MK3 because the outside diameter is much less than the standard tyre sizes (215/60R16, 215/55R17, 235/45R18) on the Superb MK3. It's a bit like if the dealer had supplied you with a full size spare from the Citigo. It may be a full size spare on the Citigo, but it certainly isn't a full size spare on the Superb MK3. However, the Citigo spare wheel wouldn't actually fit the Superb MK3 due to the difference in wheel bolt PCD, 4/100 vs 5/112.

6Jx16 ET43 5/112 57.1 steel rim (from Karoq) mytyres https://www.mytyres.co.uk/rims/details?vehicleId=1128135213981897840&rimCode=ALCAR6665 "skoda eshop cz" https://eshop.skoda-auto.cz/cs_CZ/plechovy-disk-16-/p/5Q0601027CJ03C oponeo https://www.oponeo.pl/felga-stalowa/vw-w6665#22470029 The 6Jx16 ET40 steel rim from the Superb MK1 could also be used as a spare for the Superb MK3 with a 215/60R16 tyre, and fit flush in the spare wheel well. 6Jx16 ET40 5/112 57.1 steel rim (from Superb MK1) mytyres https://www.mytyres.co.uk/rims/details?vehicleId=180495828815717488&rimCode=ALCAR9490

The "tread" width of a 205/55R16 tyre is much less than either the "nominal" width as shown on the tyre's sidewall, ie. 205, or the actual width which depends on the width of the rim that the tyre is fitted to. The 205/55R16 is just one example, but if you measure the "tread" width it is always much less than either the "nominal" width or the actual width of a tyre. You might find that the tread width of a 205/55R16 tyre is about 170mm, but it will certainly be nowhere near 205mm. To work out what will fit in the spare wheel well, you need the actual width of the tyre as measured from sidewall to sidewall (and measured at the widest point). Measuring the tread width won't help you find out if a tyre will fit in the spare wheel well. The tread width also depends on the aspect ratio. For example, the tread width of a 205/55 tyre is much wider than a 205/70 tyre. The tread width of both these tyre sizes is nowhere near 205mm. As you go down the below tyre sizes, the tread width becomes narrower because the tread width not only depends on the nominal sidewall to sidewall width (as shown on the tyre's sidewall), but also on the aspect ratio. Hence if you drove behind a car fitted with 205/40 tyres you would notice that this tyre size had a wider tread width than 205/70 tyres. All of these 205 tyre sizes, have a tread width much less than 205mm. 205/40 205/45 205/50 205/55 205/60 205/65 205/70

The 6.5Jx16 ET46 rim fitted with a 205/55R16 tyre is actually from an Octavia MK3 and this tyre size has an outside diameter about 5% smaller than the standard Superb MK3 tyre sizes. The smell is the brake pads overheating as the car's electronics think that the wheel is spinning, so the electronics keep applying the brake on that wheel. You can check this by feeling if the metal rim on that wheel is becoming hot. The heat from that brake will be transferred to the metal rim (alloy rim or steel rim). Is there a button on the dash somewhere that you can press to temporarily disable these electronics while the temporary spare wheel is on the car, so that the brake on that wheel won't be repeatedly applied? It would have been better if Skoda had used a 6Jx16 ET43 rim fitted with a 215/60R16 tyre from the Karoq as a spare wheel as that should fit in the spare wheel well with the carpet flush, and not cause the electronics any problems because 215/60R16 is a standard Superb MK3 tyre size. So for the 215/60R16 tyre size, the Superb MK3 uses a 6.5Jx16 ET41 rim whereas the Karoq uses a 6Jx16 ET43 rim. As you can see in the below chart, the actual width of a 205/55R16 tyre fitted to a 6.5J rim is about 214mm which is about the same as a 215/60R16 tyre fitted to a 6J rim. The widest tyre that will fit in the Superb MK3 spare wheel well with the carpet flush is about 215mm (actual width not "nominal" width), so the 215/60R16 tyre fitted to a 6.5J rim is too wide at about 221mm. Notice that the tyre width as indicated on the tyre's sidewall is the "nominal" width and not the actual width of the tyre which varies depending on the rim width that the tyre is fitted to. Actual tyre width measured from sidewall to sidewall 205/55R16 fitted to 6.5J rim about 214mm 215/60R16 fitted to 6J rim about 215mm 215/60R16 fitted to 6.5J rim about 221mm Overall Tyre Width (mm) Tyre Size Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch) 205/55R16 8.5 632 214 5.5-6.5-7.5 https://www.toyo.co.uk/tirefinder/index/width/205/aspect/55/rim/16

What OEM part number are your Gigaro alloy rims? This will be cast into the back of the rims and could be one of the following: 5J0601025P 5J0601025T 5J0071496D

Most people prefer the look of alloy rims compared to steel rims. My comment about steel rims was about the weight. As you can see in the photo below, steel rims are never going to win any beauty competitions.

Those aftermarket rims are 7Jx16. The Kamiq uses narrower 6Jx16 rims. Fitting 205/60R16 tyres to wider 7J rims will make the ride a lot harder than using the standard 6J rims. Also, the tyres' sidewalls won't bulge out as much, resulting in far less protection from kerbing damage. 6Jx16 steel rims for the Kamiq weigh about 7.3kg, which is over 6% lighter than those 7.8kg alloy rims. 6Jx16 ET40 steel rims 7.3kg https://eshop.skoda-auto.cz/cs_CZ/plechovy-disk-16-/p/2Q0601027AA03C

225/40R18 7.5Jx18 ET46 is the standard 18" tyre and rim size on the Superb MK2. Skoda parts catalogue https://www.lllparts.co.uk/catalogs/skoda/CZ/SUP/768/6/601/601080

1K0411105BC front springs are what most aftermarket spring catalogues list for the Octavia MK2 1.6TDI with automatic transmission. This is probably incorrect, as the correct front springs are probably 1K0411105AQ. If someone had fitted 1K0411105BC instead of 1K0411105AQ, they would have found that their ride height had increased slightly and the new front springs were a little stiffer than before. Aftermarket spring catalogues will often suggest a different OEM part number to what Skoda fitted in the factory. This is why it's worthwhile finding out what springs the car left the factory with and not just relying on what the aftermarket spring catalogues suggest.

It would make sense if all Skodas that have a factory fitted towbar left the factory with stiffer rear springs. If some Skodas with a factory fitted towbar didn't leave the factory with stiffer rear springs, then it would make sense for Skoda to make the stiffer rear springs a factory option. But as I've never heard of a separate option for stiffer rear springs when you order a new Skoda, I will assume that all Skodas that come with a factory fitted towbar also come with stiffer rear springs. Unless someone knows differently.

The aftermarket spring catalogues often think so. Here's an example with the Kodiaq. 5 seater Kodiaq without a factory fitted towbar has a softer rear spring. 5 seater Kodiaq with a factory fitted towbar has a harder rear spring. Kilen spring catalogue https://web.tecalliance.net/kilen/en/parts/cars/assigned?assemblyGroupId=100113&targetId=123934&typeNumber=123934&targetCountry=AT&page=0&groups=188#@brc/brands:Car;targetType:cars/assem:SKODA%20KODIAQ%20(NS7%2C%20NV7%2C%20NS6)%202.0%20TDI;targetType:cars;targetId:123934;typeNumber:123934;targetCountry:AT/lnkparts:Coil%20Springs;targetType:cars;assemblyGroupId:100113;targetId:123934;typeNumber:123934;targetCountry:AT;page:0;groups:188 There are also examples in the gknautomotive.com spring catalogue. These aftermarket spring catalogues will be trying to mirror what VAG fits to new cars. However, it's always best to go by the car's build codes to find out the actual springs that the car left the factory with. Here's an example in the gknautomotive.com spring catalogue for an Octavia MK3 hatchback. gknautomotive.com spring catalogue https://web.tecalliance.net/gkn/en/parts/cars/assigned?assemblyGroupId=100113&targetId=58761&typeNumber=58761&page=0&groups=188#@brc/brands:Car;targetType:cars/assem:SKODA%20OCTAVIA%20III%20(5E3%2C%20NL3%2C%20NR3)%202.0%20TDI;targetType:cars;targetId:58761;typeNumber:58761/lnkparts:Coil%20Springs;targetType:cars;assemblyGroupId:100113;targetId:58761;typeNumber:58761;page:0;groups:188

Is there a white tyre pressure label inside the fuel filler flap? You need about 0.2Bar (3psi) more than you would use for 195/65R15, 205/55R16, 225/45R17 size tyres. If you need to use more than 3Bar (44psi) make sure the tyres are XL eXtra Load.

Skoda will often fit stiffer rear springs if the car has a factory fitted towbar, often two weight ranges stiffer.