Contents Wiring diagrams Section: Engine Control Systems All sections

Electronic Engine Controls (4.2L): Removal & Installation Land Rover Range Rover III facelift

Engine Control Systems 16 illustrations ~1432 words

REMOVAL

Note. Removal of the RH variable camshaft control solenoid is similar to this procedure.

Scheme 2

Scheme 2: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601-S06524472732013011500000) .
  2. Remove the valve cover. Refer to «Valve Cover LH (4.2L)»(ref-522643) .
  3. Remove the variable camshaft timing (VCT) oil control solenoid. Remove the bolt.

INSTALLATION

  1. To install, reverse the removal procedure. Clean the component mating faces. Tighten the bolt to 10 Nm (7 lb.ft).

Scheme 3

Scheme 3: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Raise and support the vehicle.
  3. Remove the radiator splash shield. Refer to «Radiator Splash Shield»(ref-522604-S29075290552013011500000) .
  4. Remove the oil pressure sensor. Disconnect the electrical connector. Position a container to collect the fluid.
  1. Install the oil pressure sensor. Clean the components. Tighten the oil pressure sensor to 12 Nm (9 lb.ft). Connect the electrical connector.
  2. Install the radiator splash shield. Refer to «Radiator Splash Shield»(ref-522604-S29075290552013011500000) .
  3. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .
  4. Check and top-up the engine oil.

Scheme 4

Scheme 4: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Raise and support the vehicle.
  3. Remove the radiator splash shield. Refer to «Radiator Splash Shield»(ref-522604-S29075290552013011500000) .
  4. Remove the oil temperature sensor. Disconnect the electrical connector. Position a container to collect the fluid.
  1. Install the oil temperature sensor. Clean the components. Tighten the oil temperature sensor to 20 Nm (15 lb.ft). Connect the electrical connector.
  2. Install the radiator splash shield. Refer to «Radiator Splash Shield»(ref-522604-S29075290552013011500000) .
  3. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .
  4. Check and top-up the engine oil.

Scheme 5

Scheme 5: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the engine cover. Refer to «Engine Cover - 4.2L, Vehicles With: Supercharger»(ref-522605-S40342251052013011500000) .
  3. Remove the ECT sensor. Position an absorbent cloth to collect fluid spillage. Disconnect the electrical connector. Release the clip. Remove and discard the O-ring seal.
  1. Install the ECT sensor. Clean the components. Install a new O-ring seal. Install the clip. Connect the electrical connector.
  2. Install the engine cover. Refer to «Engine Cover - 4.2L, Vehicles With: Supercharger»(ref-522605-S40342251052013011500000) .
  3. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .
  4. Top-up the coolant.

Scheme 6

Scheme 6: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Raise and support the vehicle.
  3. Remove the engine undershield. Refer to «Engine Undershield»(ref-522604-S24326226122013011500000) .
  4. Remove the crankshaft position (CKP) sensor. Disconnect the electrical connector. Remove the bolt.
  1. To install, reverse the removal procedure. Tighten the bolt to 10 Nm (7 lb.ft).

Note. The TP sensor is part of the throttle body assembly and cannot be serviced separately.

  1. Remove the throttle body. Refer to «Throttle Body Gasket»(ref-522645-S26578630382013011500000) .
  1. Install the throttle body. Refer to «Throttle Body Gasket»(ref-522645-S26578630382013011500000) .

Scheme 7

Scheme 7: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the engine cover. Refer to «Engine Cover - 4.2L, Vehicles With: Supercharger»(ref-522605-S40342251052013011500000) .
  3. Remove the camshaft position (CMP) sensor. Disconnect the electrical connector. Remove the bolt. Discard the O-ring seal.
  1. Install the CMP sensor. Clean the component mating faces. Install a new O-ring seal. Tighten the bolt to 7 Nm (5 lb.ft) Connect the electrical connector.
  2. Install the engine cover. Refer to «Engine Cover - 4.2L, Vehicles With: Supercharger»(ref-522605-S40342251052013011500000) .
  3. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .

Scheme 8

Scheme 8: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the throttle body gasket. Refer to «Throttle Body Gasket»(ref-522645-S26578630382013011500000) .
  3. Remove the camshaft position (CMP) sensor. Disconnect the electrical connector. Remove the bolt. Discard the O-ring seal.
  1. Install the CMP sensor. Clean the component mating faces. Install a new O-ring seal. Tighten the bolt to 7 Nm (5 lb.ft) Connect the electrical connector.
  2. Install the throttle body gasket. Refer to «Throttle Body Gasket»(ref-522645-S26578630382013011500000) .
  3. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .

Scheme 9

Scheme 9: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the supercharger. Refer to «Supercharger»(ref-522607-S29340097182013011500000) .
  3. Remove the knock sensors (KS). Disconnect the electrical connector. Remove the NVH pad. Remove the 2 bolts.
  1. Install the KS. Clean the component mating faces. Tighten the bolts to 20 Nm (15 lb.ft). Install the NVH pad. Connect the electrical connector.
  2. Install the supercharger. Refer to «Supercharger»(ref-522607-S29340097182013011500000) .
  3. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .

Scheme 10

Scheme 10: REMOVAL

Scheme 11

Scheme 11
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the air intake resonator. Refer to «Intake Air Resonator»(ref-522607-S24405156362013011500000) .
  3. Position the wiring harness aside. Remove the 2 bolts.
  4. Remove the manifold absolute pressure (MAP) sensor. Disconnect the electrical connector. Remove the Allen screw. Discard the O-ring seal.
  1. Install the MAP sensor. Clean the components. Install a new O-ring seal. Tighten the Allen screw to 3 Nm (2 lb.ft). Connect the electrical connector.
  2. Attach the wiring harness. Tighten the bolts to 10 Nm (7 lb.ft).
  3. Install the air intake resonator. Refer to «Intake Air Resonator»(ref-522607-S24405156362013011500000) .
  4. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .

Scheme 12

Scheme 12

Scheme 13

Scheme 13
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the air intake resonator. Refer to «Intake Air Resonator»(ref-522607-S24405156362013011500000) .
  3. Position the wiring harness aside. Remove the 2 bolts.
  4. Remove the throttle body intake. Disconnect the breather line. Release the clip. Release the bushing.
  5. Disconnect the intake air temperature (IAT) sensor electrical connector.
  6. Remove the fuel temperature sensor. Disconnect the electrical connector.
  1. Install the fuel temperature sensor. Clean the component mating faces. Apply sealant to the sensor thread. Tighten the sensor to 7 Nm (5 lb.ft). Connect the electrical connector.
  2. Connect the IAT sensor electrical connector.
  3. Install the throttle body intake. Align the bushing. Secure the clip. Connect the breather line.
  4. Attach the wiring harness. Tighten the bolts to 10 Nm (7 lb.ft).
  5. Install the air intake resonator. Refer to «Intake Air Resonator»(ref-522607-S24405156362013011500000) .
  6. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .
  1. Using the special tool, install the HO2S. Clean the components. Apply an anti-seize compound to the thread of the sensor. Tighten the HO2S to 45 Nm (33 lb.ft). Connect the electrical connector. Attach the wiring harness.
  2. Attach the exhaust hangers.
  3. Position the RH catalytic converter to the exhaust manifold. Clean the components. Tighten the new bolts to 22 Nm (16 lb.ft).
  4. Position the LH catalytic converter to the exhaust manifold. Clean the components. Tighten the new bolts to 22 Nm (16 lb.ft).

Scheme 14

Scheme 14: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Disconnect the mass air flow (MAF) sensor electrical connector.
  3. Remove the MAF sensor. Remove the 2 screws.
  1. To install, reverse the removal procedure. Tighten Torx screws to 2 Nm (1.5 lb.ft).
  1. Using the special tool, install the catalyst monitor sensor. Clean the components. Apply an anti-seize compound to the thread of the sensor. Tighten the HO2S to 45 Nm (33 lb.ft). Connect the electrical connector. Attach the wiring harness.
  2. Attach the exhaust hangers.
  3. Position the RH catalytic converter to the exhaust manifold. Clean the components. Tighten the new bolts to 22 Nm (16 lb.ft).
  4. Position the LH catalytic converter to the exhaust manifold. Clean the components. Tighten the new bolts to 22 Nm (16 lb.ft).

Scheme 15

Scheme 15

Scheme 16

Scheme 16
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the air intake resonator. Refer to «Intake Air Resonator»(ref-522607-S24405156362013011500000) .
  3. Position the wiring harness aside. Remove the 2 bolts.
  4. Remove the throttle body intake. Disconnect the breather line. Release the clip. Release the bushing.
  5. Position the supercharger pressure relief actuator aside for access. Remove the bolt.
  6. Remove the intake air temperature (IAT) sensor. Disconnect the electrical connector. Remove the 2 Torx screws. Remove and discard the O-ring seal.
  1. Install the IAT sensor. Clean the components. Install a new O-ring seal. Tighten the Torx screws to 6 Nm (4 lb.ft). Connect the electrical connector.
  2. Secure the supercharger pressure relief actuator. Tighten the bolt to 10 Nm (7 lb.ft).
  3. Install the throttle body intake. Align the bushing. Secure the clip. Connect the breather line.
  4. Attach the wiring harness. Tighten the bolts to 10 Nm (7 lb.ft).
  5. Install the air intake resonator. Refer to «Intake Air Resonator»(ref-522607-S24405156362013011500000) .
  6. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .

Scheme 17

Scheme 17: REMOVAL
  1. Disconnect the battery ground cable. Refer to «Specifications»(ref-522601) .
  2. Remove the engine cover. Refer to «Engine Cover - 4.2L, Vehicles With: Supercharger»(ref-522605-S40342251052013011500000) .
  3. Remove the fuel rail pressure sensor (FRP). Disconnect the vacuum line. Disconnect the electrical connector. Position an absorbent cloth to collect fluid spillage. Remove the 2 bolts. Discard the O-ring seals.
  1. Install the FRP sensor. Clean the component mating faces. Install the O-ring seals. Tighten the bolts to 6 Nm (4 lb.ft). Connect the electrical connector. Connect the vacuum line.
  2. Install the engine cover. Refer to «Engine Cover - 4.2L, Vehicles With: Supercharger»(ref-522605-S40342251052013011500000) .
  3. Connect the battery ground cable. Refer to «Specifications»(ref-522601) .