2004 DAEWOO NUBIRA Engine Electrical

ENGINE CONTROLS 1F – 611
DAEWOO V–121 BL4
Installation Procedure
1. Install the manifold absolute pressure (MAP) sen-
sor with the bolt.
Tighten
Tighten the MAP sensor bolt to 8 NSm (71 lb–in).
2. Connect the MAP sensor vacuum hose.
3. Connect the MAP sensor electrical connector.
4. Connect the negative battery cable.
MANIFOLD ABSOLUTE PRESSURE
SENSOR (1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the fuel rail. Refer to”Fuel Rail and In-
jectors” in this section.
3. Disconnect the manifold absolute pressure (MAP)
sensor connector from the MAP sensor.
4. Remove the MAP sensor retaining bolt.
5. Remove the MAP sensor from the intake manifold.
Installation Procedure
1. Connect the MAP sensor connector to the MAP
sensor.
2. Install the MAP sensor into the intake manifold.
3. Install the MAP sensor retaining bolt.
Tighten
Tighten the MAP sensor retaining bolt to 4 NSm (35
lb–in).
4. Connect the fuel rail. Refer to ”Fuel Rail and Injec-
tors” in this section.
5. Connect the negative battery cable.
EXHAUST GAS RECIRCULATION
VALVE (1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the electrical exhaust gas recirculation
valve electrical connector.
3. Remove the EEGR valve retaining bolts.
4. Remove the EEGR valve.

1F – 612IENGINE CONTROLS
DAEWOO V–121 BL4
Installation Procedure
1. Install the EEGR valve with the bolts.
Tighten
Tighten the electrical exhaust gas recirculation valve
retaining bolts to 30 NSm (22 lb–ft).
2. Connect the EEGR valve electrical connector.
3. Connect the negative battery cable.
EXHAUST GAS RECIRCULATION
VALVE (1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the vacuum hose from the exhaust gas
recirculation (EGR) valve.
3. Remove the EGR valve retaining bolts.
4. Remove the EGR valve from the electronic ignition
(EI) system ignition coil adapter.
Installation Procedure
1. Clean the EI system ignition coil adapter mating
surface.
2. Install a new EGR valve gasket.
3. Install the EGR valve with the bolts.
Tighten
Tighten the exhaust gas recirculation valve retaining
bolts to 30 NSm (22 lb–ft).
4. Connect the vacuum hose to the EGR valve.
5. Connect the negative battery cable.
KNOCK SENSOR (1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the intake manifold support bracket bolts.
3. Remove the intake manifold support bracket.

ENGINE CONTROLS 1F – 613
DAEWOO V–121 BL4
4. Disconnect the knock sensor electrical connector.
5. Remove the knock sensor bolt.
6. Remove the knock sensor.
Installation Procedure
1. Install the knock sensor with the bolt.
Tighten
Tighten the knock sensor bolt to 20 NSm (15 lb–ft).
2. Connect the knock sensor electrical connector.
3. Install the intake manifold support bracket with the
bolts.
Tighten
Tighten the intake manifold support bracket upper
bolts to 25 NSm (18 lb–ft).
Tighten the intake manifold support bracket lower
bolts to 45 NSm (33 lb–ft).
4. Connect the negative battery cable.
KNOCK SENSOR (1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Raise and suitably support the vehicle.
3. Disconnect electrical connector at the knock sen-
sor.

1F – 614IENGINE CONTROLS
DAEWOO V–121 BL4
4. Remove the bolt and the knock sensor.
Installation Procedure
1. Install the knock sensor with the bolt.
Tighten
Tighten the knock sensor bolt to 20 NSm (15 lb–ft).
2. Connect the electrical connector at the knock sen-
sor.
3. Lower the vehicle.
4. Connect the negative battery cable.
EVAPORATIVE EMISSION CANISTER
Removal Procedure
CAUTION : Canister and vacuum hoses contain fuel
vapors. Do not smoke in the area or permit an open
flame.
1. Remove the bolt that secures the canister flange to
the vehicle.
2. Slide the canister out of the track holder.
3. Disconnect the canister fuel vapor hoses.
4. Remove the canister cover.
5. Remove the canister.

ENGINE CONTROLS 1F – 615
DAEWOO V–121 BL4
Installation Procedure
1. Insert the canister into the track and slide it into
position.
2. Connect the canister fuel vapor hoses.
Tighten
Tighten the evaporative emission canister flange bolt
to 4 NSm (35 lb–in).
3. Install the canister flange bolt.
EVAPORATIVE EMISSION CANISTER
PURGE SOLENOID VALVE
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the evaporative (EVAP) emission canis-
ter purge solenoid connector.
3. Disconnect the vacuum hoses from the EVAP can-
ister purge solenoid.
4. Remove the EVAP canister purge solenoid bracket
bolt from the intake manifold.
5. Unclip the EVAP canister purge solenoid from the
mounting bracket.
Installation Procedure
1. Attach the EVAP canister purge solenoid to the
mounting bracket.
2. Install the EVAP canister purge solenoid and the
mounting bracket to the intake manifold with the
bracket bolt.
Tighten
Tighten the evaporative emission canister purge sole-
noid bracket bolt to 5 NSm (44 lb–in).
3. Connect the vacuum hoses to the EVAP canister
purge solenoid.
4. Connect the EVAP canister purge solenoid connec-
tor.
5. Connect the negative battery cable.
CRANKSHAFT POSITION (CKP)
SENSOR (1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the crankshaft position sensor (CKP)
electrical connector.

1F – 616IENGINE CONTROLS
DAEWOO V–121 BL4
3. Remove the crankshaft position sensor (CKP) bolt.
4. Remove the CKP sensor.
Installation Procedure
1. Install the CKP sensor with the bolt.
Tighten
Tighten the crankshaft position sensor (CKP) bolt to
6.5 NSm (57 lb–in).
2. Connect the CKP sensor electrical connector.
3. Connect the negative battery cable.
CRANKSHAFT POSITION (CKP)
SENSOR (1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the power steering pump, if equipped. Re-
fer to Section 6B, Power Steering Pump.
3. Remove the A/C compressor. Refer to Section 7D,
Automatic Temperature Control Heating, Ventilation
and Air Conditioning System.
4. Remove the rear A/C compressor mounting bracket
bolts and the rear A/C compressor mounting brack-
et.

1F – 618IENGINE CONTROLS
DAEWOO V–121 BL4
CAMSHAFT POSITION SENSOR
(1.4L/1.6L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the engine cover bolts and the nuts.
3. Remove the engine cover.
4. Disconnect the CMP sensor electrical connector.
5. Remove the timing belt front cover. Refer to Sec-
tion 1C, DOHC Engine Mechanical.
6. Remvoe the CMP sensor bolts.
7. Remvoe the CMP sensor from the top.
Installation Procedure
1. Install the camshaft position sensor and bolt.
Tighten
Tighten the camshaft position sensor bolts to 7 NSm
(62 lb–in).
2. Install the timing bolt front cover. Refer to Section
1C, DOHC Engine Mechanical.
3. Connect the CMP sensor electrical connector.
4. Install the engine cover.
5. Connect the negative battery cable.

ENGINE CONTROLS 1F – 619
DAEWOO V–121 BL4
CAMSHAFT POSITION SENSOR
(1.8L DOHC)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the engine cover.
3. Disconnect the sensor electrical connector.
4. Remove the timing belt front cover. Refer to Sec-
tion 1C, DOHC Engine Mechanical.
5. Remove the camshaft position sensor bolts.
6. Remove the camshaft position sensor from the top.
Installation Procedure
1. Install the camshaft position sensor and bolts.
Tighten
Tighten the camshaft position bolts to 8 NSm (71 lb–
in).
2. Install the timing belt front cover, the crankshaft
pulley, the accessory drive belt, and the air filter.
Refer to Section 1C, DOHC Engine Mechanical.
3. Connect the sensor electrical connector.
4. Install the engine cover.
5. Connect the negative battery cable.