Range Rover. Manual — part 72
EMISSION CONTROL
9
REPAIR
VACUUM PUMP - EGR SYSTEM
Service repair no - 17.45.30
Remove
1. Disconnect battery negative terminal.
2. Remove camshaft cover.
See ENGINE, Repair.
3. Position harness trunking aside.
4. Release clip and disconnect pipe from vacuum
pump.
5. Remove 2 bolts securing vacuum pump.
NOTE: Dowel bolt is used to secure inlet
manifold side of vacuum pump.
6. Remove vacuum pump and discard ’O’ ring seal.
7. Clean sealing faces of vacuum pump and
cylinder head.
Refit
8. Fit new ’O’ ring seal to vacuum pump.
9. Apply STC 3373 to threads of dowel bolt.
10. Position vacuum pump and engage drive dog
with camshaft slot.
11. Secure vacuum pump with bolts. Tighten to
22
Nm (16 lbf.ft).
CAUTION: Ensure that dowel bolt passes
through timing chain guide rail bolt.
12. Connect pipe to vacuum pump and secure with
clip.
13. Align harness trunking.
14. Fit camshaft cover.
See ENGINE, Repair.
15. Connect battery negative terminal.
17
EMISSION CONTROL
NEW RANGE ROVER
10
REPAIR
SOLENOID - EVAP CANNISTER VENT VALVE
(CVS)
Service repair no - 17.15.47
Remove
1. Disconnect multiplug from CVS unit.
2. Remove clip securing hose to CVS unit.
3. Disconnect hose from CVS unit.
CAUTION: Plug the connections.
4. Remove CVS unit from bracket.
Refit
5. Fit CVS unit to bracket.
6. Connect hose to CVS unit.
7. Fit clip to secure hose to CVS unit.
8. Connect multiplug to CVS unit.
CONTROL VALVE - SECONDARY AIR INJECTION
(SAI)
Service repair no - 17.25.02
Remove
1. Release clip and disconnect air hose from valve.
2. Disconnect vacuum hose from valve.
3. Remove 2 bolts securing valve to air manifold.
4. Remove valve and discard gasket.
Refit
5. Clean air valve and mating face on manifold.
6. Fit new gasket and fit valve. Tighten bolts to
10
Nm (7 lbf.ft) .
7. Connect vacuum hose.
8. Connect air hose and secure with clip.
EMISSION CONTROL
11
REPAIR
RESERVOIR - VACUUM - SECONDARY AIR
INJECTION (SAI)
Service repair no - 17.25.04
Remove
1. Disconnect 2 vacuum hoses from reservoir.
2. Remove bolt securing reservoir to mounting
bracket and collect reservoir.
Refit
3. Position reservoir to mounting bracket and
tighten bolt to
10 Nm (7 lbf.ft) .
4. Connect vacuum hoses to reservoir.
PUMP - SECONDARY AIR INJECTION (SAI)
Service repair no - 17.25.07
Remove
1. Disconnect multiplug from air pump.
2. Release clip and disconnect air hose from air
pump.
3. Remove 3 nuts securing air pump to mounting
bracket and remove pump.
4. Remove 3 mountings from air pump.
Refit
5. Fit mountings to air pump and tighten to
10 Nm
(7 lbf.ft) .
6. Fit air pump to mounting bracket and tighten
nuts to
10 Nm (7 lbf.ft) .
7. Connect air hose and secure with clip.
8. Connect multiplug to air pump.
17
EMISSION CONTROL
NEW RANGE ROVER
12
REPAIR
AIR MANIFOLD - LH - SECONDARY AIR
INJECTION (SAI)
Service repair no - 17.25.17
Remove
1. Remove SAI control valve.
See this section.
2. Loosen 2 union nuts securing air manifold to
cylinder head adaptors.
3. Remove 2 nuts securing air manifold bracket to
inlet manifold.
4. Remove air manifold.
Refit
5. Clean air manifold and cylinder head adaptors.
6. Fit air manifold and start union nuts.
7. Fit nuts securing air manifold to inlet manifold.
8. Tighten air manifold unions to
25 Nm (18 lbf.ft) .
9. Fit SAI control valve.
See this section.
AIR MANIFOLD - RH - SECONDARY AIR
INJECTION (SAI)
Service repair no - 17.25.18
Remove
1. Remove SAI control valve.
See this section.
2. Remove heater feed and return pipes.
See
HEATING AND VENTILATION, Repair.
3. Loosen 2 union nuts securing air manifold to
cylinder head adaptors.
4. Remove nut securing air manifold bracket to inlet
manifold.
5. Remove air manifold.
Refit
6. Clean air manifold and cylinder head adaptors.
7. Fit air manifold and start union nuts.
8. Fit nut securing air manifold to inlet manifold.
9. Tighten air manifold unions to
25 Nm .
10. Fit heater return and feed pipes.
See HEATING
AND VENTILATION, Repair.
11. Fit SAI control valve.
See this section.
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