2007 Hyundai Sonata Owner's Manual - Page 232

DO-IT-YOURSELF MAINTENANCE 6 21 CHECKING BRAKE PEDAL CLEARANCE G170A01A-AAT G180A01A-AAT CHECKING DRIVE BELTS G190A02NF-GAT BRAKE PEDAL (2.4L) Power steering Auto tensioner Generator 2.95 in. (75 mm) 0.12 ~ 0.31 in. (3 ~ 8 mm) Water pump pully Damper pulley G180A01L G160A01HR COMP G140D01NF With the engine off, press down on the brake pedal several times to reduce the vacuum in the brake booster. Then, using your hand, press down slowly on the brake pedal until you feel a change in resistance. This is the brake pedal free-play. The free-play should be within the limits specified in the illustration above. If it is not, have it inspected by your Hyundai dealer and adjusted or repaired if necessary. You need a helper to check the brake pedal clearance. With the engine running, have your helper press down on the brake pedal several times and then hold it down with a force of about 110 lbs (50 kg, 490 N). The brake pedal clearance is the distance from the top surface of the brake pedal to the asphalt sheeting under the floor mat. If the brake pedal clearance is not within the limits specified in the illustration, have it inspected by your Hyundai dealer and adjusted or repaired if necessary. (3.3L) Water pump pully Generator Auto tensioner Power steering Damper pulley COMP G140D02NF