Range Rover P38
19
FUEL SYSTEM
NEW RANGE ROVER
32
REPAIR
13. Remove 3 bolts securing throttle linkage bracket
to plenum chamber. Remove bracket. Collect
return spring.
14. Remove 2 bolts securing TP sensor. Collect
clamp plate. Remove TP sensor.
15. Remove 2 bolts securing IAC. Remove motor.
Remove gasket and discard.
Refit
16. Ensure all mating surfaces are clean.
17. Fit TP sensor. Ensure drive engages correctly
with throttle spindle.
18. Position clamp plate. Secure TP sensor with
bolts. Tighten to
2 Nm (2 lbf.ft)
19. Using a new gasket, fit IAC. Secure with bolts.
Tighten to
2.3 Nm (1.8 lbf.ft)
20. Ensure mating faces of water jacket and plenum
chamber are clean.
21. Using a new gasket, fit water jacket. Secure with
bolts. Tighten to
13 Nm (10 lbf.ft)
22. Position throttle linkage bracket, fit and engage
return spring.
23. Secure linkage bracket to plenum chamber with
bolts. Tighten to
8 Nm (6 lbf.ft)
24. Ensure mating faces of plenum chamber and
ram pipe housing are clean.
25. Position plenum chamber. Connect coolant
hoses to water jacket. Secure with clips.
26. Remove clamp from coolant pipes.
27. Apply a thin, uniform coating of Loctite 577
sealant to sealing face of plenum chamber.
28. Fit plenum chamber.
29. Fit plenum chamber bolts. Tighten to
24 Nm (18
lbf.ft)
30. Connect multiplugs to TP sensor and IAC.
31. Connect breather hose to plenum chamber.
32. Secure harness clip to throttle linkage bracket.
33. Engage throttle cable and cruise control cable to
abutment. Secure cruise control cable with ’C’
clip.
34. Align cables to throttle linkage. Fit clevis pins.
Secure clevis pins with split pins.
35. Adjust throttle cable.
See Adjustment.
36. Connect intake hose. Secure with clip.
37. Reconnect battery negative lead.
38. Top up cooling system.
39. Check base idle speed. Adjust if necessary.
If 4.6
See ENGINE TUNING DATA, Information.
If 4.0
See ENGINE TUNING DATA, Information.
