Dodge RAM TRUCK 1500 1995 Service Manual page 196

5 - 24 POWER BRAKE VACUUM PUMP (DIESEL MODELS)
mm
(10) Remove pump assembly from vehicle (Fig. 8).
VACUUM PUMP REPLACEMENT
(1) Remove nuts attaching vacuum pump to
adapter (Fig. 8).
VACUUM
PUMP
STEERING
PUMP*
ADAPTER
J9105-98
Fig. 8 Pump Assembly Removal
(2) Remove vacuum pump from adapter (Fig. 9).
Turn pump gear back and forth to disengage pump
shaft from coupling if necessary.
(3) Inspect adapter O-ring (Fig. 9). Replace O-ring
if cut or torn.
COUPUNG
O-RING
PUMP
ADAPTER
J9105-99
Fig. 9 Vacuum Pump Removed From Adapter
(4) Lubricate adapter O-ring with engine oil.
(5) Note position of drive slots in coupling. Then
rotate drive gear to align tangs on vacuum pump
shaft with coupling (Fig. 10).
(6) Verify that pump is seated in adapter and cou­
pling.
(7) Install and tighten pump attaching nuts and
washers.
PUMP ADAPTER REPLACEMENT
(1) Remove coupling from adapter (Fig. 11).
ROTATE DRIVE
GEARTOAUGN
SHAFT TANGS
WITH COUPUNG
PUMP
SHAFT
DRIVE
TANGS
J9105-102
Fig. 10 Aligning Pump Shaft Drive Tangs
(2) Remove remaining adapter attaching nuts and
remove adapter from steering pump (Fig. 12).
(3) If steering pump will be serviced, remove
spacer from each inboard mounting stud on pump
(Fig. 12).
ADAPTER
O-RING
DRIVE
COUPUNG
STEERING
PUMP
SHAFT
J9105-100
Fig. 11 Pump Drive Coupling Removal/Installation
(4) Clean and lubricate pump shaft with engine oil.
(5) Install spacers on steering pump studs (Fig.
12).
(6) Install O-ring on adapter (Fig. 11).
(7) Position adapter on pump studs.