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back to 1000q: mk3 big brake FAQ and guide
Disclaimer: Before you attempt a big brake conversion or any brake work on your car, refer to the factory service manual and follow all precautions. Any and all information presented on this website is superseded by the official service manual and is not a substitute for the services or advice of a certified professional mechanic. Refer to the full legal disclaimer in the TOS Agreement before continuing.
Introduction
By using a larger rotor and a larger carrier, it increases the leverage of the brake caliper by moving it outward. Please read 1000 answered questions: brake FAQ and busting big brake kit myths to see why you might not want a BB kit. Note: the corrado/vr6 brake calipers are 2mm wider than the TDI g54 brake calipers to accommodate the corrado rotor. The corrado rotor is 280x22mm, your rotor is 256x20mm. Some corrado brake pads may not fit with your passat/jetta calipers, if this happens they must be sanded down a little bit to fit. If your car has very high miles, you may want to consider replacing the calipers. Although both the corrado/early VR6 and jetta/passat TDI all use calipers named "g54", they have different part numbers due to rotor width! You will probably need 15" wheels to clear the brakes. Each wheel and spoke pattern is different although most 15" wheel should fit.
Parts
Corrado g54 brake calipers VW# (rebuilt) (can be found in the 1990-91
corrado G60 1.8L engine or 92-94 corrado slc vr6 aaa, 90-91 passat 16v, 92-95
passat vr6 SLC V6 AAA engine)
LEFT: VW# 443615123fx or 357615123bx
RIGHT:VW# 443615124fx or 357615124bx
Corrado G60 g54 brake carriers (can also be found on the above cars, either VW# 357
615 125c or VW# 857
615 125
Corrado G60 11" (280mm x 22mm) brake rotors VW #535-615-301
NOTE: this is the 4 lug rotor part number, the corrado or passat vr6
rotors have a different offset and you cannot use the vr6 rotors!
Corrado G60 brake pads
Brake fluid - DOT 4
Remove the brake rotor, caliper, and carrier and replace with the new units. For more detailed information on how to remove the brake components, refer to: 1000q: a3/b4 front brakes
Napa and Autozone carry rebuilt calipers in the price range of 32.00 each and a 15.00 core charge. If you buy used calipers, you should have them professionally inspected because a failure could result in a serious crash and injury. If you pay 50.00 for a set of used calipers, pay the shipping and then buy the rebuild kits at 15.00 per side you are at 90.00 total so it might be faster and easier to buy rebuilt calipers from Napa or Autozone for 95.00.
Pictured below is an 11" rotor with corrado g54 calipers

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