Power Brake Booster; Push Rod & Clip; Booster Mounting Nuts - Jeep Wrangler 1997 Manual

5-16 BRAKES
REMOVAL AND INSTALLATION (Continued)
(3)
Tighten brake line fittings at combination valve
to 21 N-m (15 ft. lbs .).
(4) Tighten brake line fittings at master cylinder
to 15 N-m (11 ft. lbs .).
(5) Connect wire to differential pressure switch in
combination valve .
(6) Bleed base brake system .
MASTER CYLINDER
REMOVAL
(1) Remove evaporative canister, refer to Group 25
Emissions for service procedure.
(2) Disconnect brake lines to master cylinder and
combination valve .
(3) Remove combination valve mounting nuts and
remove valve .
(4) Remove master cylinder mounting nuts and
remove master cylinder.
(5) Remove cylinder cover and drain fluid .
(6) If master cylinder reservoir requires service,
refer to Reservoir Replacement Procedure .
INSTALLATION
NOTE: Bleed new master cylinder on bench before
installation, refer to Service Procedures.
(1)
Remove protective sleeve from primary piston
shank on new master cylinder.
(2) Check condition of seal at rear of cylinder body.
Reposition seal if dislodged . Replace seal if cut, or
torn .
(3) Install master cylinder onto brake booster
studs and tighten mounting nuts to 24 N-m (18 ft.
lbs .) .
(4) Install combination valve onto brake booster
studs and tighten mounting nuts to 24 N-m (18 ft.
lbs .) .
(5) Install brake lines to master cylinder and com-
bination valve by hand to avoid cross threading.
(6) Tighten master cylinder brake lines to 15 N-m
(11 ft. lbs .) .
(7) Tighten combination valve brake lines to 21
N-m (15 ft . lbs.) .
(8) Install evaporative canister, refer to Group 25
Emissions for service procedure .
(9) Bleed base brake system .
POWER BRAKE BOOSTER
REMOVAL
(1)
Remove combination valve and master cylinder.
(2) Disconnect vacuum hose from booster check
valve .
(3) Remove retaining clip that secures booster
push rod to brake pedal (Fig . 21) .
(4) Remove nuts attaching booster to cowl panel
(Fig. 22) .
(5) In engine compartment, slide booster studs out
of cowl panel, and remove booster from engine com-
partment .
(6) Remove dash seal from booster .
Fig. 21 Push Rod & Clip
Fig. 22 Booster Mounting Nuts
TJ
INSTALLATION
(1)
Install dash seal on booster.
(2) Align and position booster on dash panel .
(3) In passenger compartment, install nuts that
attach booster to dash panel. Tighten nuts just
enough to hold booster in place.
(4) Slide booster push rod onto brake pedal. Then
secure push rod to pedal pin with retaining clip.
(5) Tighten booster mounting nuts to 37 N-m (27
ft. lbs.) .
(6) Connect vacuum hose to booster check valve .
(7) Install master cylinder and combination valve .
(8) Top off master cylinder fluid level and bleed
base brakes .