vacuum pump rebuild
03-15-2012, 07:47 PM
#4
Cummins Guru
VACUUM PUMP
REMOVAL
1.Disconnect battery negative cable.
2.Position drain pan under power steering pump.
3.Disconnect vacuum and steering pump hoses.
4.Disconnect oil pressure sender wires and remove sending unit Oil Pressure Sender Unit .
5.Disconnect lubricating oil feed line from fitting at underside of vacuum pump Vacuum Pump Oil Feed Line
6.Remove lower bolt that attaches pump assembly to engine block Vacuum Pump Mounting
7.Remove bottom, inboard nut that attaches adapter to steering pump. This nut secures a small bracket to engine block. Nut and bracket must be removed before pump assembly can be removed from block.
8.Remove upper bolt that attaches pump assembly to engine block Pump Assembly Upper Mounting Bolt
9.Remove pump assembly from vehicle..
10.Remove nuts attaching vacuum pump to adapter Pump Assembly .
11.Remove vacuum pump from adapter Vacuum Pump Adapter Turn pump gear back and forth to disengage pump shaft from coupling..
12.Remove coupling from adapter Pump Drive Coupling
13.Remove remaining adapter attaching nuts and remove adapter from steering pump Steering Pump Mounting Stud Spacers If steering pump will be serviced, remove spacer from each inboard mounting stud on pump.
INSTALLATION
1.Clean and lubricate pump shaft with engine oil.
2.Install spacers on steering pump studs.
3.Install O-ring on adapter.
4.Position adapter on pump studs.
5.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.)
6.Install coupling on pump shaft. Be sure coupling is securely engaged in shaft drive tangs.
7.Install vacuum pump on adapter. Rotate drive gear until tangs on pump shaft engage in coupling. Verify that pump is seated before installing attaching nuts.
8.Install and tighten vacuum pump attaching nuts.
9.Inspect adapter O-ring and replace O-ring if cut or torn.
10.Lubricate adapter O-ring with engine oil.
11.Note position of drive slots in coupling Pump Shaft Drive Tangs Then rotate drive gear to align tangs on vacuum pump shaft with coupling..
12.Verify that pump is seated in adapter and coupling.
13.Install and tighten pump attaching nuts and washers.
14.Position new gasket on vacuum pump mounting flange Pump Mounting Flange Gasket Use Mopar Perfect Seal, or silicone adhesive/sealer to hold gasket in place..
15.Insert pump assembly upper attaching bolt in mounting flange and gasket. Use sealer or grease to hold bolt in place if necessary.
16.Position pump assembly on engine and install upper bolt Installing Pump Assembly On Engine Tighten upper bolt only enough to hold assembly in place at this time..
17.Working from under vehicle, install pump assembly lower attaching bolt. Then tighten upper and lower bolt to 77 N·m (57 ft. lbs.)
18.Position bracket on steering pump inboard stud. Then install remaining adapter attaching nut on stud. Tighten nut to 24 N·m (18 ft. lbs.)
19.Connect oil feed line to vacuum pump connector and tighten line fitting.
20.Install oil pressure sender and connect sender wires.
21.Connect steering pump pressure and return lines to pump. Tighten pressure line fitting to 30 N·m (22 ft. lbs.)
22.Connect vacuum hose to vacuum pump.
23.Connect battery cables, if removed.
24.Fill power steering pump reservoir.
25.Purge air from steering pump lines. Start engine and slowly turn steering wheel left and right to circulate fluid and purge air from system.
26.Stop engine and top off power steering reservoir fluid level.
27.Start engine and verify that steering action is correct. Do this before moving vehicle.
REMOVAL
1.Disconnect battery negative cable.
2.Position drain pan under power steering pump.
3.Disconnect vacuum and steering pump hoses.
4.Disconnect oil pressure sender wires and remove sending unit Oil Pressure Sender Unit .
5.Disconnect lubricating oil feed line from fitting at underside of vacuum pump Vacuum Pump Oil Feed Line
6.Remove lower bolt that attaches pump assembly to engine block Vacuum Pump Mounting
7.Remove bottom, inboard nut that attaches adapter to steering pump. This nut secures a small bracket to engine block. Nut and bracket must be removed before pump assembly can be removed from block.
8.Remove upper bolt that attaches pump assembly to engine block Pump Assembly Upper Mounting Bolt
9.Remove pump assembly from vehicle..
10.Remove nuts attaching vacuum pump to adapter Pump Assembly .
11.Remove vacuum pump from adapter Vacuum Pump Adapter Turn pump gear back and forth to disengage pump shaft from coupling..
12.Remove coupling from adapter Pump Drive Coupling
13.Remove remaining adapter attaching nuts and remove adapter from steering pump Steering Pump Mounting Stud Spacers If steering pump will be serviced, remove spacer from each inboard mounting stud on pump.
INSTALLATION
1.Clean and lubricate pump shaft with engine oil.
2.Install spacers on steering pump studs.
3.Install O-ring on adapter.
4.Position adapter on pump studs.
5.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.)
6.Install coupling on pump shaft. Be sure coupling is securely engaged in shaft drive tangs.
7.Install vacuum pump on adapter. Rotate drive gear until tangs on pump shaft engage in coupling. Verify that pump is seated before installing attaching nuts.
8.Install and tighten vacuum pump attaching nuts.
9.Inspect adapter O-ring and replace O-ring if cut or torn.
10.Lubricate adapter O-ring with engine oil.
11.Note position of drive slots in coupling Pump Shaft Drive Tangs Then rotate drive gear to align tangs on vacuum pump shaft with coupling..
12.Verify that pump is seated in adapter and coupling.
13.Install and tighten pump attaching nuts and washers.
14.Position new gasket on vacuum pump mounting flange Pump Mounting Flange Gasket Use Mopar Perfect Seal, or silicone adhesive/sealer to hold gasket in place..
15.Insert pump assembly upper attaching bolt in mounting flange and gasket. Use sealer or grease to hold bolt in place if necessary.
16.Position pump assembly on engine and install upper bolt Installing Pump Assembly On Engine Tighten upper bolt only enough to hold assembly in place at this time..
17.Working from under vehicle, install pump assembly lower attaching bolt. Then tighten upper and lower bolt to 77 N·m (57 ft. lbs.)
18.Position bracket on steering pump inboard stud. Then install remaining adapter attaching nut on stud. Tighten nut to 24 N·m (18 ft. lbs.)
19.Connect oil feed line to vacuum pump connector and tighten line fitting.
20.Install oil pressure sender and connect sender wires.
21.Connect steering pump pressure and return lines to pump. Tighten pressure line fitting to 30 N·m (22 ft. lbs.)
22.Connect vacuum hose to vacuum pump.
23.Connect battery cables, if removed.
24.Fill power steering pump reservoir.
25.Purge air from steering pump lines. Start engine and slowly turn steering wheel left and right to circulate fluid and purge air from system.
26.Stop engine and top off power steering reservoir fluid level.
27.Start engine and verify that steering action is correct. Do this before moving vehicle.
03-16-2012, 07:39 AM
#5
Administrator
VACUUM PUMP
REMOVAL
1.Disconnect battery negative cable.
2.Position drain pan under power steering pump.
3.Disconnect vacuum and steering pump hoses.
4.Disconnect oil pressure sender wires and remove sending unit Oil Pressure Sender Unit .
5.Disconnect lubricating oil feed line from fitting at underside of vacuum pump Vacuum Pump Oil Feed Line
6.Remove lower bolt that attaches pump assembly to engine block Vacuum Pump Mounting
7.Remove bottom, inboard nut that attaches adapter to steering pump. This nut secures a small bracket to engine block. Nut and bracket must be removed before pump assembly can be removed from block.
8.Remove upper bolt that attaches pump assembly to engine block Pump Assembly Upper Mounting Bolt
9.Remove pump assembly from vehicle..
10.Remove nuts attaching vacuum pump to adapter Pump Assembly .
11.Remove vacuum pump from adapter Vacuum Pump Adapter Turn pump gear back and forth to disengage pump shaft from coupling..
12.Remove coupling from adapter Pump Drive Coupling
13.Remove remaining adapter attaching nuts and remove adapter from steering pump Steering Pump Mounting Stud Spacers If steering pump will be serviced, remove spacer from each inboard mounting stud on pump.
INSTALLATION
1.Clean and lubricate pump shaft with engine oil.
2.Install spacers on steering pump studs.
3.Install O-ring on adapter.
4.Position adapter on pump studs.
5.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.)
6.Install coupling on pump shaft. Be sure coupling is securely engaged in shaft drive tangs.
7.Install vacuum pump on adapter. Rotate drive gear until tangs on pump shaft engage in coupling. Verify that pump is seated before installing attaching nuts.
8.Install and tighten vacuum pump attaching nuts.
9.Inspect adapter O-ring and replace O-ring if cut or torn.
10.Lubricate adapter O-ring with engine oil.
11.Note position of drive slots in coupling Pump Shaft Drive Tangs Then rotate drive gear to align tangs on vacuum pump shaft with coupling..
12.Verify that pump is seated in adapter and coupling.
13.Install and tighten pump attaching nuts and washers.
14.Position new gasket on vacuum pump mounting flange Pump Mounting Flange Gasket Use Mopar Perfect Seal, or silicone adhesive/sealer to hold gasket in place..
15.Insert pump assembly upper attaching bolt in mounting flange and gasket. Use sealer or grease to hold bolt in place if necessary.
16.Position pump assembly on engine and install upper bolt Installing Pump Assembly On Engine Tighten upper bolt only enough to hold assembly in place at this time..
17.Working from under vehicle, install pump assembly lower attaching bolt. Then tighten upper and lower bolt to 77 N·m (57 ft. lbs.)
18.Position bracket on steering pump inboard stud. Then install remaining adapter attaching nut on stud. Tighten nut to 24 N·m (18 ft. lbs.)
19.Connect oil feed line to vacuum pump connector and tighten line fitting.
20.Install oil pressure sender and connect sender wires.
21.Connect steering pump pressure and return lines to pump. Tighten pressure line fitting to 30 N·m (22 ft. lbs.)
22.Connect vacuum hose to vacuum pump.
23.Connect battery cables, if removed.
24.Fill power steering pump reservoir.
25.Purge air from steering pump lines. Start engine and slowly turn steering wheel left and right to circulate fluid and purge air from system.
26.Stop engine and top off power steering reservoir fluid level.
27.Start engine and verify that steering action is correct. Do this before moving vehicle.
REMOVAL
1.Disconnect battery negative cable.
2.Position drain pan under power steering pump.
3.Disconnect vacuum and steering pump hoses.
4.Disconnect oil pressure sender wires and remove sending unit Oil Pressure Sender Unit .
5.Disconnect lubricating oil feed line from fitting at underside of vacuum pump Vacuum Pump Oil Feed Line
6.Remove lower bolt that attaches pump assembly to engine block Vacuum Pump Mounting
7.Remove bottom, inboard nut that attaches adapter to steering pump. This nut secures a small bracket to engine block. Nut and bracket must be removed before pump assembly can be removed from block.
8.Remove upper bolt that attaches pump assembly to engine block Pump Assembly Upper Mounting Bolt
9.Remove pump assembly from vehicle..
10.Remove nuts attaching vacuum pump to adapter Pump Assembly .
11.Remove vacuum pump from adapter Vacuum Pump Adapter Turn pump gear back and forth to disengage pump shaft from coupling..
12.Remove coupling from adapter Pump Drive Coupling
13.Remove remaining adapter attaching nuts and remove adapter from steering pump Steering Pump Mounting Stud Spacers If steering pump will be serviced, remove spacer from each inboard mounting stud on pump.
INSTALLATION
1.Clean and lubricate pump shaft with engine oil.
2.Install spacers on steering pump studs.
3.Install O-ring on adapter.
4.Position adapter on pump studs.
5.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.)
6.Install coupling on pump shaft. Be sure coupling is securely engaged in shaft drive tangs.
7.Install vacuum pump on adapter. Rotate drive gear until tangs on pump shaft engage in coupling. Verify that pump is seated before installing attaching nuts.
8.Install and tighten vacuum pump attaching nuts.
9.Inspect adapter O-ring and replace O-ring if cut or torn.
10.Lubricate adapter O-ring with engine oil.
11.Note position of drive slots in coupling Pump Shaft Drive Tangs Then rotate drive gear to align tangs on vacuum pump shaft with coupling..
12.Verify that pump is seated in adapter and coupling.
13.Install and tighten pump attaching nuts and washers.
14.Position new gasket on vacuum pump mounting flange Pump Mounting Flange Gasket Use Mopar Perfect Seal, or silicone adhesive/sealer to hold gasket in place..
15.Insert pump assembly upper attaching bolt in mounting flange and gasket. Use sealer or grease to hold bolt in place if necessary.
16.Position pump assembly on engine and install upper bolt Installing Pump Assembly On Engine Tighten upper bolt only enough to hold assembly in place at this time..
17.Working from under vehicle, install pump assembly lower attaching bolt. Then tighten upper and lower bolt to 77 N·m (57 ft. lbs.)
18.Position bracket on steering pump inboard stud. Then install remaining adapter attaching nut on stud. Tighten nut to 24 N·m (18 ft. lbs.)
19.Connect oil feed line to vacuum pump connector and tighten line fitting.
20.Install oil pressure sender and connect sender wires.
21.Connect steering pump pressure and return lines to pump. Tighten pressure line fitting to 30 N·m (22 ft. lbs.)
22.Connect vacuum hose to vacuum pump.
23.Connect battery cables, if removed.
24.Fill power steering pump reservoir.
25.Purge air from steering pump lines. Start engine and slowly turn steering wheel left and right to circulate fluid and purge air from system.
26.Stop engine and top off power steering reservoir fluid level.
27.Start engine and verify that steering action is correct. Do this before moving vehicle.
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