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Tahoe 2 and 3 (2000-2014) Tahoe 1 (1992-2000)
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  • Engine Controls — Component Locations

Engine Controls — Component Locations (Chevrolet Tahoe 2)

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The OBD II symbol is used on schematic diagrams to inform the technician that the circuit is essential to the proper operation of the OBD II on-board diagnostics system with respect to emissions control. Any circuit whose malfunction causes the MIL to illuminate or is associated with a malfunction of the emission control system is identified as an OBD II circuit.

The OBD II symbol is used on schematic diagrams to inform the technician that the circuit is…


Engine. Top view, late models. 1 - Fuel injector #6, 2 - Ignition coil #8, 3 - Fuel injector #8, 4…

Engine. Top view, late models. 1 - Fuel injector #6, 2 - Ignition coil #8, 3 - Fuel injector #8, 4 - Fuel injector #7, 5 - Ignition coil #7, 6 - Fuel injector #5, 7 - Ignition coil #5, 8 - Ignition coil #3, 9 - Fuel injector #3, 10 - Ignition coil #1, 11 - Fuel injector #1, 12 - Manifold Absolute Pressure Sensor, 13 - Fuel injector #4, 14 - Ignition coil #4, 15 - Ignition coil #2, 16 - Fuel injector #2, 17 - Ignition coil №6




Right side of engine, late models. 1 - ignition coil #8, 2 - ignition coil #6, 3 - ignition coil…

Right side of engine, late models. 1 - ignition coil #8, 2 - ignition coil #6, 3 - ignition coil #4, 4 - absolute air pressure sensor in the intake manifold, 5 - throttle body, 6 - ignition coil #2, 7 - knock sensor #2, 8 - oil level sensor, 9 - starter, 10 - oil manifold of the cylinder deactivation system (if installed), 11 - Engine oil pressure sensor


Engine (front view, late models). 1 - throttle body, 2-absolute air pressure sensor in the intake…

Engine (front view, late models). 1 - throttle body, 2-absolute air pressure sensor in the intake manifold, 3-fuel vapor battery cleaning valve, 4-knock sensor No.1, 5 - coolant heater, 6-coolant temperature sensor, 7-camshaft position sensor, 8-generator


Right rear of the engine compartment (late models). 1 - Battery, 2 - Low pressure sensor in the air…

Right rear of the engine compartment (late models). 1 - Battery, 2 - Low pressure sensor in the air conditioning system, 3 - Air conditioning compressor clutch, 4 - Pressure switch in the air conditioning system, 5 - Mass air flow sensor / air temperature sensor




Left side of the engine compartment, (late models). 1 - windshield wiper motor, 2 - brake booster,…

Left side of the engine compartment, (late models). 1 - windshield wiper motor, 2 - brake booster, 3 - windshield washer fluid heater (XA7), 4 - fuse box, 5 - engine control unit, 6 - automatic transmission control unit, 7 - brake booster vacuum sensor, 8 - brake fluid level sensor


Fuel system parts on chassis (late models, short wheelbase). 1 - frame, 2 - fuel vapor accumulator…

Fuel system parts on chassis (late models, short wheelbase). 1 - frame, 2 - fuel vapor accumulator purge valve, 3 - fuel tank pressure sensor, 4 - fuel pump and fuel level sensor


Fuel system parts on chassis (late models, long wheelbase). 1 - fuel pump and fuel level sensor…

Fuel system parts on chassis (late models, long wheelbase). 1 - fuel pump and fuel level sensor (primary), 2 - fuel tank pressure sensor, 3 - fuel pump and fuel level sensor (secondary, except NQZ), 4 - fuel vapor accumulator, 5 - fuel vapor accumulator purge valve, 6 - electronic suspension control unit




Assembling the pedals (later models except JF4). 1 - brake light switch, 2 - accelerator pedal…

Assembling the pedals (later models except JF4). 1 - brake light switch, 2 - accelerator pedal position sensor


Assembling the pedals (late models, JF4). 1 - electronic pedal (JF4), 2 - brake light switch, 3 -…

Assembling the pedals (late models, JF4). 1 - electronic pedal (JF4), 2 - brake light switch, 3 - accelerator pedal position sensor


Fuel pipes and hoses (late models)

Fuel pipes and hoses (late models)


Fuel vapor recovery system hoses (late models)

Fuel vapor recovery system hoses (late models)




Left side of the engine, (early models). 1 - ignition coil #1, 2 - injector #1, 3 - injector #3, 4…

Left side of the engine, (early models). 1 - ignition coil #1, 2 - injector #1, 3 - injector #3, 4 - injector #5, 5 - injector #7, 6 - ignition coil #7, 7 - ignition coil #5, 8 - ignition coil #3, 9 - coolant temperature sensor


Right side of the engine (early models). 1 - ignition coil #8, 2 - injector wiring harness, 3 -…

Right side of the engine (early models). 1 - ignition coil #8, 2 - injector wiring harness, 3 - injector #4, 4 - ignition coil #2, 5 - ignition coil #4, 6 - injector #6, 7 - ignition coil #6, 8 - injector #8


Knock sensors (early models). 1 - knock sensor #1, 2 - knock sensor #2

Knock sensors (early models). 1 - knock sensor #1, 2 - knock sensor #2




Engine. Top view (early models). 1 - absolute pressure sensor in the intake manifold, 2 - throttle…

Engine. Top view (early models). 1 - absolute pressure sensor in the intake manifold, 2 - throttle body, 3 - fuel vapor accumulator solenoid valve


Oxygen sensors. Engine 5.3 l (early models). 1 - oxygen sensor (B1S2), 2 - oxygen sensor (B1S1), 3…

Oxygen sensors. Engine 5.3 l (early models). 1 - oxygen sensor (B1S2), 2 - oxygen sensor (B1S1), 3 - oxygen sensor installation location (B1S1), 4 - catalytic converter (B1), 5 - oxygen sensor installation location (B1S2), 6 - oxygen sensor installation location (B2S1), 7 - frame (right side), 8 - catalytic converter (B2), 9 - oxygen sensor installation location (B2S2), 10 - oxygen sensor (B2S2), 11 - oxygen sensor (B2S1)


Oxygen sensors. Engine 6.0 l (early models). 1 - oxygen sensor (B2S1), 2 - oxygen sensor…

Oxygen sensors. Engine 6.0 l (early models). 1 - oxygen sensor (B2S1), 2 - oxygen sensor installation location (B1S2), 3 - frame (right side), 4 - catalytic converter (B2), 5 - oxygen sensor (B2S2), 6 - installation location of the oxygen sensor (B2S2), 7 - catalytic converter (B1), 8 - oxygen sensor (B1S2), 9 - installation location of the oxygen sensor (B1S1), 10 - oxygen sensor (B1S1), 11 - installation location of the oxygen sensor (B2S1)


Note: Replacement parts must have the correct part number. Cases where the application of locking adhesive, lubricant, corrosion inhibitors or sealants to the threads during installation are specifically noted. Some new parts may be supplied with a coating already applied. Do not use coatings that are not recommended, this may affect the final tightening torque value, which in turn will affect the operation of the part or assembly. Strictly adhere to the recommended tightening torques during installation.

The article was checked: Vladimir Romannikov
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

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Previous articles
Tahoe 2 and 3: Injection and control system
Next articles

Description of the injection system and its elements
Engine control unit
Crankshaft Position Measurement System Training
Throttle actuator training
Throttle actuator control unit (early models)
Coolant temperature sensor


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Tahoe 2 and 3 (2000-2014) 
  • General information
  • Vehicle characteristics
  • Vehicle device
  • Manual
  • Maintenance
  • Power unit
  • Engine repair
  • Engine overhaul
  • Cooling system
  • Injection and control system
  • Exhaust system
  • Engine electrical equipment
  • Transmission
  • Automatic gearbox 4L60, 4L65, 4L70
  • Automatic gearbox 6L50, 6L80, 6L90
  • Transfer case
  • Drive shafts and cardan
  • Front drive axle
  • Rear drive axle
  • Chassis
  • Car suspension
  • Steering
  • Brake system
  • Body (until 2007)
  • Exterior (external elements)
  • Interior (internal elements)
  • Doors, locks and windows
  • Heating and air conditioning
  • Security System (SRS)
  • Body (since 2007)
  • Exterior (external elements)
  • Doors, locks and windows
  • Interior (internal elements)
  • Electrical equipment
  • Electrical appliances (until 2007)
  • Lighting and lamps (until 2007)
  • Audio system (until 2007)
  • Electrical appliances (since 2007)
  • Lighting and lamps (since 2007)
  • Audio system (since 2007)
  • Wiring diagrams (2000-2005)
  • Wiring diagrams (2005-2007)
  • Wiring diagrams (since 2007)

 

Tahoe 1 (1992-2000) 
  • General information
  • User manual
  • Maintenance
  • Power unit
  • Engine in a car
  • Engine removed
  • Cooling system
  • Heating and air conditioning
  • Fuel and exhaust systems
  • Decreased toxicity
  • Transmission
  • Manual gearbox
  • Automatic gearbox
  • Transfer case
  • Clutch and drive shafts
  • Chassis
  • Brake system
  • Car suspension
  • Steering
  • Body
  • Repair of body elements
  • Electrical equipment
  • Engine electrics
  • Equipment and devices
  • Electrical circuits

 

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