Kia Sedona (2008 year). Instruction — part 268
INSPECTION
1. Disconnect the brake booster vacuum hose (check valve built in) (A) at the booster (B).
2. Start the engine and let it idle. There should be vacuum available. If no vacuum is available, the check
valve is not working properly. Replace the brake booster vacuum hose and check valve and retest.
Fig. 5: Identifying Brake Booster Vacuum Hose And Booster
Courtesy of KIA MOTORS AMERICA, INC.
BRAKE PEDAL BRAKE SWITCH ADJUSTMENT
PEDAL HEIGHT
1. Disconnect the brake switch connector, loosen the brake switch locknut (A), and back off the brake
switch (B) until it is no longer touching the brake pedal.
2. Lift up the carpet. At the insulator cutout, measure the pedal height (C) from the middle of the left-side
center of the pedal pad (D).
Standard pedal height ( with carpet removed): 192.4 mm (7.57 in.)
2008 Kia Sedona
2008 BRAKES Brake System - Sedona
Microsoft
Saturday, May 22, 2010 6:54:27 PM
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© 2006 Mitchell Repair Information Company, LLC.
Fig. 6: Identifying Brake Switch Locknut, Brake Switch, Pedal Height And Pedal Pad
Courtesy of KIA MOTORS AMERICA, INC.
3. Loosen the pushrod locknut (A), and screw the pushrod in or out with pliers until the standard pedal
height from the floor is reached. After adjustment, tighten the locknut firmly. Do not adjust the pedal
height with the pushrod depressed.
Fig. 7: Adjusting Pushrod With Torque Specifications
Courtesy of KIA MOTORS AMERICA, INC.
BRAKE SWITCH CLEARANCE
Screw in the brake switch until its plunger is fully depressed (threaded end (A) touching the pad (B) on the
pedal arm) then brake off the switch 3/4 turn to make 1.0-1.5 mm (0.04-0.06 in.) of clearance between the brake
switch connector. Make sure that the brake lights go off when the pedal is released.
2008 Kia Sedona
2008 BRAKES Brake System - Sedona
Microsoft
Saturday, May 22, 2010 6:54:27 PM
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© 2006 Mitchell Repair Information Company, LLC.
Fig. 8: Identifying Brake Switch Clearance
Courtesy of KIA MOTORS AMERICA, INC.
PEDAL FREE PLAY
1. With the engine off, inspect the pedal free play (A) on the pedal pad (B) by pushing the pedal by hand.
Free play: 3-8 mm (0.12-0.31 in.)
Fig. 9: Identifying Pedal Free Play And Brake Switch
Courtesy of KIA MOTORS AMERICA, INC.
2. If the pedal free play is out of specification, adjust the brake switch (C). If the pedal free play is
insufficient, it may result in brake drag.
INSPECTION OF FRONT DISC BRAKE PAD
1. Check the brake pad thickness through the caliper body inspection hole.
Pad thickness
2008 Kia Sedona
2008 BRAKES Brake System - Sedona
Microsoft
Saturday, May 22, 2010 6:54:27 PM
Page 6
© 2006 Mitchell Repair Information Company, LLC.
Standard value: 10.5 mm ( 0.41 in.)
Service limit: 2 mm (0.0787 in.)
Fig. 10: Locating Front Caliper Body Inspection Hole
Courtesy of KIA MOTORS AMERICA, INC.
INSPECTION OF REAR DISC BRAKE PAD
1. Check the rear disc brake pad thickness through the caliper body inspection hole.
Pad thickness
Standard value: 10.0 mm (0.39 in.)
Service limit: 2.0 mm (0.0787 in.)
CAUTION:
If the pad thickness is out of specification, left and right pads must
be replaced as a complete set.
When the thickness difference between the left pad and right pad Is
large, check the sliding condition of the piston and the guide rod.
2008 Kia Sedona
2008 BRAKES Brake System - Sedona
Microsoft
Saturday, May 22, 2010 6:54:27 PM
Page 7
© 2006 Mitchell Repair Information Company, LLC.
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