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2005 Chevrolet Cobalt CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

BRAKE SERVICE PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
Power Brake Units -> General Service
Vehicle: 2005 Chevrolet Cobalt SS 2.0 L4 GAS
Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies, which use engine vacuum or, in some cases vacuum pressure developed by an external vacuum pump. The second type is a hydraulic pressure assist mechanism, which use pressure developed by an external pump (usually the power steering pump). Both systems act to increase the force exerted on the master cylinder piston by the operator. This in turn increases the hydraulic pressure delivered to the wheel cylinders while decreasing driver effort required to obtain acceptable stopping performance.
Vac...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 2005 Chevrolet Cobalt 2.2 L4 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strateg...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2005 Chevrolet Cobalt 2.2 L4 GAS
- Remove hub nut.
- Raise and support vehicle.
- Remove ball joint to steering knuckle nut.
- Break ball joint loose from steering knuckle.
- Push axle...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
Alternator, Replace
Vehicle: 2005 Chevrolet Cobalt 2.2 L4 GAS
- Disconnect battery ground cable.
- Mark running direction, rotate or lift belt tensioner arm, using a suitable tool to relieve tension from drive belt, then remove drive belt.
- Remove air cleaner outlet duct.
- Disconnect engine harness electric...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 2003-07 Ion, 2005-09 Cobalt & 2007-09 G5
Vehicle: 2005 Chevrolet Cobalt SS 2.0 L4 GAS
On 2003 models, under normal operating conditions the cabin air filter should be replaced every 24 months or 18,000 miles. In dusty areas change the cabin air filter more often.
On 2004-09 models, under normal operating conditions the cabin air filter should be replaced every 12 months or 15,000 miles or at Maintenance II as indicated on the DIC (Driver Information Center). In dusty areas change the cabin air filter more often.
- Open the glove compartment.
- Push inward at each side of the g...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
General Motors Corp./Saturn Cars -> Low Coolant Lamp ->
Vehicle: 2005 Chevrolet Cobalt 2.2 L4 GAS
This lamp should light when engine coolant level in the radiator drops below a predetermined le...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2005 Chevrolet Cobalt 2.2 L4 GAS
Inlet
- Drain cooling system into a suitable container.
- Remove evaporator hose assembly.
- Remove condenser tube.
- Reposition heater hose inlet clamp at heater core using hose clamp pliers J 38185 or equivalent.
- Remove heater inlet hose from heater core.
- Reposition heater core inlet hose clamp at engine using hose clamp pliers J 38185 or equivalent.
- Remove hose from engine.
- Remove hose from vehicle.
- Reverse procedure to in...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2005 Chevrolet Cobalt AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2005 Chevrolet Cobalt SS 2.0 L4 GAS
- Install a suitable tight fitting 15mm open end wrench to drive belt tensioner lug on rear of tensioner.
- Very slowly push down and towards back of vehicle to slowly compress drive belt tensioner.
- Remove drive belt from drive belt tensioner.
- Very slowly, allow drive belt tensioner to re...
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COMPONENT LOCATION DIAGRAMS FOR 2005 Chevrolet Cobalt AUTOMOBILES
Component location diagrams for most 2005 Chevrolet Cobalt cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2005 Chevrolet Cobalt AUTOMOBILES
OEM drawn wiring diagrams for most 2005 Chevrolet Cobalt cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2005 Chevrolet Cobalt AUTOMOBILES
OEM TSB listings for most 2005 Chevrolet Cobalt cars and light trucks sold in the U.S. from 1985+.
Document: GM of Canada New Vehicle Limited Warranty Tire Program Vehicle: 2005 Chevrolet Cobalt SS 2.0 L4 GAS Auto Systems: |
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2005 Chevrolet Cobalt SS 2.0 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2005 Chevrolet Cobalt AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2005 Chevrolet Cobalt cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2005 Chevrolet Cobalt cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2005 Chevrolet Cobalt cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2005 Chevrolet Cobalt cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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