Acura 2002 RSX Service Manual page 915

Rapid brake pad wear, Vehicle vibration (after a long
drive), or High, hard brake pedal
1. Drive the vehicle untilthe brakes drag or until the
pedal is high and hard. This can take 20 or more
brake pedal applications during an extended test
d r i v e .
2. With the engine running, raise the vehicle on a lift,
a n d s p i n a l l f o u r w h e e l s b y h a n d .
Is there brake drag at any of the wheels?
YES Go to step 3.
NO - Look for other causes of the pad wear, high
p e d a l , o r v e h i c l e v i b r a t i o n . t
3. Turn the engine off, pump the brake pedal to
deplete the vacuum in the brake booster, and then
spin the wheeis again to check for brake drag.
ls there brake drag at any of the wheels?
YES - Go to step 4.
NO-Replace the brake booster.l
4. Without removing the brake lines, unbolt and
separate the master cylinder from the booster, then
spin the wheels to check for brake drag.
ls there brake drag at any of the wheels?
YES Go to step 5.
NO Check the brake pedal position switch
adjustment and pedal free play.l
5 , L o o s e n t h e h y d r a u l i c l i n e s a t t h e m a s t e r c y l i n d e r ,
then spin the wheels to check for brake drag,
ls there brake drag at any ot the wheels?
YES Go to step 6.
NO Replace the master cylinder.l
6, Loosen the bleeder screws at each caliper, then
spin the wheels to check for brake drag.
ls therc brake drag at any ot the wheels?
Y E S ' D i s a s s e m b l e a n d r e p a i r t h e c a l i p e r o n t h e
wheel(s) with brake drag,I
NO Look for and replace any damaged brake lines.
lf all brake lines are OK, replace the ABS
m o d u l a t o r . l
19-5