Daewoo Nubira. Manual — part 136
ENGINE CONTROLS 1F – 401
DAEWOO V–121 BL4
FUEL CUTOFF SWITCH
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the passenger front rocker trim panel. Re-
fer to Section 9G, Interior Trim.
3. Remove the lower B–pillar trim panel. Refer to Sec-
tion 9G, Interior Trim.
4. Reposition the carpet.
5. Remove the fuel cutoff switch mounting bolts.
6. Disconnect the electrical connector at the fuel cutoff
switch.
Installation Procedure
1. Connect the electrical connector at the fuel cutoff
switch.
2. Install the fuel cutoff switch mounting bolts.
Tighten
Tighten the fuel cutoff switch mounting bolts to 27 lb–
in (3 N
S
m).
1F – 402
I
ENGINE CONTROLS
DAEWOO V–121 BL4
3. Reposition the carpet.
4. Install the lower B–pillar trim panel. Refer to Sec-
tion 9G, Interior Trim.
5. Install the passenger front rocker trim panel. Refer
to Section 9G, Interior Trim.
6. Connect the negative battery cable.
Important : The fuel cutoff switch may have to be reset to
enable the vehicle to start.
KNOCK SENSOR
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the intake manifold. Refer toSection 1C,
DOHC Engine Mechanical.
3. Disconnect the electrical connector at the Knock
Sensor (KS).
4. Remove the KS.
ENGINE CONTROLS 1F – 403
DAEWOO V–121 BL4
Installation Procedure
1. Install the KS.
Tighten
Tighten the knock sensor bolt to 15 lb–ft (20 N
S
m).
2. Connect the electrical connector at the KS.
3. Remove the intake manifold. Refer toSection 1C,
DOHC Engine Mechanical.
4. Connect the negative battery cable.
SECTION : 1D
ENGINE COOLING
CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will help
prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise noted.
TABLE OF CONTENTS
SPECIFICATIONS
1D–2
. . . . . . . . . . . . . . . . . . . . . . . . . .
CAPACITY
1D–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FASTENER TIGHTENING
SPECIFICATIONS
1D–2
. . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS
1D–2
. . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS TABLE
1D–2
. . . . . . . . . . . . . . . . . . .
DIAGNOSIS
1D–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT TEST
1D–3
. . . . . . . . . . . . . . . . . . . . . .
SURGE TANK CAP TEST
1D–3
. . . . . . . . . . . . . . . . . .
COOLING SYSTEM DIAGNOSIS
1D–4
. . . . . . . . . . . .
COMPONENT LOCATOR
1D–5
. . . . . . . . . . . . . . . . . . . .
RADIATOR/FAN
1D–5
. . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLANT PUMP/THERMOSTAT
(2.0L DOHC)
1D–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE AND REPAIR
1D–7
. . . . . . . . . . . . . . .
On–Vehicle Service
1D–7
. . . . . . . . . . . . . . . . . . . . . . . . . .
DRAINING AND REFILLING THE COOLING
SYSTEM
1D–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT
1D–8
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLANT PUMP
1D–10
. . . . . . . . . . . . . . . . . . . . . . . .
ELECTRIC COOLING FAN– MAIN
OR AUXILIARY
1D–11
. . . . . . . . . . . . . . . . . . . . . . . . .
SURGE TANK
1D–13
. . . . . . . . . . . . . . . . . . . . . . . . . . .
RADIATOR
1D–15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE COOLANT
TEMPERATURE SENSOR
1D–17
. . . . . . . . . . . . . . .
GENERAL DESCRIPTION AND SYSTEM
OPERATION
1D–18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL DESCRIPTION
1D–18
. . . . . . . . . . . . . . . . .
RADIATOR
1D–18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SURGE TANK
1D–18
. . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLANT PUMP
1D–18
. . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT
1D–18
. . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRIC COOLING FAN
1D–18
. . . . . . . . . . . . . . . .
COOLANT TEMPERATURE SENSOR
1D–19
. . . . . .
ENGINE COOLANT
TEMPERATURE SENSOR
1D–19
. . . . . . . . . . . . . . .
ENGINE BLOCK HEATER
1D–19
. . . . . . . . . . . . . . . . .
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