Dodge RAM TRUCK 1500 1995 Service Manual page 197

B R POWER BRAKE 1ACUUM P U i P (DIESEL MODELS) I - 25
Fig. 12 Steering Pump Mounting Stud Spacer
Locations
(8) Install attaching nuts on outboard stud and on
the two upper pump studs. Do not install nut on
lower, inboard stud at this time. Tighten nuts to 24
N-m (18 ft. lbs.) torque.
(9) Install coupling on pump shaft. Be sure cou­
pling is securely engaged in shaft drive tangs.
(10) Install vacuum pump on adapter. Eotate drive
gear until tangs on pump shaft engage in coupling. Ver­
ify that pump is seated before installing attaching nuts.
(11) Install and tighten vacuum pump attaching nuts.
VACUUM—STEERING PUMP ASSEMBLY
INSTALLATION
(1) Position new gasket on vacuum pump mount­
ing flange (Fig. 13). Use Mopar Perfect Seal, or sili­
cone adhesive/sealer to hold gasket in place.
(2) Insert pump assembly upper attaching bolt in
mounting flange and gasket. Use sealer or grease to
hold bolt in place if necessary.
(3) Position pump assembly on engine and install
upper bolt (Fig. 14). Tighten upper bolt only enough
to hold assembly in place at this time.
(4) Working from under vehicle, install pump as­
sembly lower attaching bolt. Then tighten upper and
lower bolt to 77 N-m (57 ft. lbs.) torque.
(5) Position bracket on steering pump inboard
stud. Then install remaining adapter attaching nut
on stud. Tighten nut to 24 N-m (18 ft. lbs.) torque.
(6) Connect oil feed line to vacuum pump connec­
tor. Tighten line fitting securely.
(7) Install oil pressure sender and connect sender
wires.
Fig. 13 Positioning Gasket On Pump Mounting Flange
Fig. 14 Installing Pump Assembly On Engine
(8) Connect steering pump pressure and return
lines to pump. Tighten pressure line fitting to 30 N-m
(22 ft. lbs.) torque.
(9) Connect vacuum hose to vacuum pump.
(10) Connect battery cables, if removed.
(11) Fill power steering pump reservoir.
(12) Purge air from steering pump lines. Start en­
gine and slowly turn steering wheel left and right to
circulate fluid and purge air from system.
(13) Stop engine and top off power steering reser­
voir fluid level.
(14) Start engine and check brake and steering op­
eration. Verify that power brake booster is providing
vacuum assist and firm brake pedal is obtained.
Then verify that steering action is correct. Do this
before moving vehicle.