Drums, Shoes And Linings - Rear Drum Brakes - Chevrolet CHEVY VAN G10 SERIES Service Manual

BRAKES 5-10
SPEEDO
CABLE
C A U T IO N : See "C a u tio n "
section.
COMPONENT REPLACEMENT AND REPAIRS
DRUMS, SHOES A N D LINING S—
REAR DRUM BRAKES
N O T E : If brake drums are worn severely, it may
be necessary to retract the adjusting screw. To gain
access to the adjusting screw star wheel, knock out
the lanced area in the web of the brake drum or
backing plate using a chisel or similar tool. Release
the actuator from the star wheel w ith a small
screwdriver on models w ith access hole in backing
plate or w ith a wire hook on models with hole in
drum . Back o ff the
screwdriver to retract shoes (Figs. 21 and 22 ).
C A U T IO N : A fte r knocking out the metal, be sure
to remove it from the inside o f the drum and clean
all metal from the brake com partm ent. A new metal
hole cover must be
reinstalled.
N O T E : Riveted linings should be replaced when
worn w ithin 1 /3 2 " of rivet heads.
LEG D O W N
Fig. 1 9 —P arking Brake S ystem
on Page 1 o f this
star wheel with a second
installed when drum is
6
. Release the parking brake and rotate rear wheels. No drag
should be present.
7. Low er vehicle to the floor.
S E C O N D A R Y SHOE
OVERRIDE
S PR IN G
A C T U A T IN G LEVER
STAR WHEEL
Fig. 2 0 —S elf A d ju s tin g Brakes
4
LEG D O W N
A D JU S TIN G
NUT
A N C H O R P IN
PULL BACK
H O LD D O W N
S PR IN G A N D PIN
C H E V Y V A N S H O P M A N U A L