1991 LEXUS SC400 Service Repair Manual

Page 1017 of 4087

LEXUS SC400 1991  Service Repair Manual 
2.  APPLY HIGH TEMPERATURE GREASE TO ADJUSTER
3. CONNECT PARKING BRAKE CABLE TO PARKINGBRAKE LEVER
(a)  Install the shoe hold±down springs, cups and pins.
(b)  Connect the parking brake cable to the

Page 1018 of 4087

LEXUS SC400 1991  Service Repair Manual 
6.  INSTALL SHOE STRUT WITH SPRINGInstall the strut with the spring forward.
7.  INSTALL SHOE RETURN SPRINGS Using needle±nose pliers, install the front shoe return spring
and then install the rear

Page 1019 of 4087

LEXUS SC400 1991  Service Repair Manual 
12.  SETTLING PARKING BRAKE SHOES AND DISC
(a)  Drive the vehicle at about 50 km/h (31 mph) on a safe, leveland dry road.
(b)  With the parking brake release button pushed in, pull on the
lever with

Page 1020 of 4087

LEXUS SC400 1991  Service Repair Manual 
PROPORTIONING AND BY±PASS
VALVE (P & B VALVE)
FLUID PRESSURE INSPECTION
BR0ET±01
1.  INSTALL LSPV GAUGE (SST) AND BLEED AIRSST 09709±29017
2.  RAISE MASTER CYLINDER PRESSURE AND CHECKREAR WHEEL CY

Page 1021 of 4087

LEXUS SC400 1991  Service Repair Manual 
ANTI±LOCK BRAKE SYSTEM (ABS)
BR0EU±04
DESCRIPTION
ABS is a brake system which controls the brake cylinder hydraulic pressure \
to all 4 wheels during sudden
braking and braking on slippery road su

Page 1022 of 4087

LEXUS SC400 1991  Service Repair Manual 
BR0EV±04
HYDRAULIC SYSTEM DIAGRAM
w/o TRAC:
±
BRAKE SYSTEM ANTI±LOCK BRAKE SYSTEM (ABS)BR±53 
WhereEverybodyKnowsYourName

Page 1023 of 4087

LEXUS SC400 1991  Service Repair Manual 
w/ TRAC:
BR±54±
BRAKE SYSTEM ANTI±LOCK BRAKE SYSTEM (ABS) 
WhereEverybodyKnowsYourName

Page 1024 of 4087

LEXUS SC400 1991  Service Repair Manual 
BR0EW±05
WIRING DIAGRAM
w/o TRAC:
±
BRAKE SYSTEM ANTI±LOCK BRAKE SYSTEM (ABS)BR±55 
WhereEverybodyKnowsYourName