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2008 Chevrolet Impala 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
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

BRAKE SERVICE PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
Disc Brakes -> AC-Delco Single Piston Rear Disc Brake -> Rotor Replace -> Except Grand Prix -> Grand Prix
Vehicle: 2008 Chevrolet Impala LT 3.5 V6 FLEX
Except Grand Prix
- Raise and support vehicle.
- Mark wheel to axle flange relationship for installation alignment, then remove wheel and tire assembly.
- Remove brake hose from caliper. Plug openings in caliper and brake hose.
- Lift able spring to free end of from lever, then disconnect parking brake cable from lever.
- Remove cable support bracket mounting bolt and washer.
- Remove sleeve bolt and caliper.
- Remove mounting bolts and caliper mounting bracket.
- Remove rotor from hub and bearing.
- Reverse procedure to in...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2008 Chevrolet Impala LS 3.9 V6 FLEX
- Raise and support vehicle on a hoist.
- Remove tire and wheel assembly.
- Disconnect tie rod from knuckle.
- Insert a drift into rotor and against caliper in order to prevent rotor from turning.
- Remove wheel drive shaft nut.
- Remove stabilizer link.
- Be sure that wheel speed sensor wiring harness is repositioned away from ball joint after disconnecting electrical connector from sensor. Disconnect ele...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
Relearn Procedures -> Keyless Entry Transmitter Or DIC Method -> Scan Tool Method
Vehicle: 2008 Chevrolet Impala LT 3.5 V6 FLEX
Keyless Entry Transmitter Or DIC Method
- On models with standard ignition switch, place the ignition switch in the On position.
- On models with keyless ignition switch, place the ignition switch in the Accy position.
- On all models, using the keyless entry transmitters press the lock and unlock buttons at the same time until a horn chirp sounds indicating the learn mode has been actuated. The left front turn signal will also be illuminated.
- Using the DIC (Driver Information Center) press and release the Info button until the Tire Learn message is indicated on the DIC display. Depres...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
Alternator, Replace
Vehicle: 2008 Chevrolet Impala LTZ 3.9 V6 FLEX
- Disconnect battery ground cable.
- Remove engine oil fill cap and intake manifold cover.
- Remove mounting bolts and lefthand inner fender brace.
- Loosen clamp and remove air cleaner outlet duct from throttle body.
- Disconnect PCV tube from air inlet duct.
- Disconnect Mass Air Flow (MAF) sensor electrical connector.
- Remove upper from lower air cleaner housing.
- Remove Powertrain Control Module (PCM) and harness from lower air cleaner housing. Do not disconnect connectors.
- Remove Transmission Control M...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 2004-08 Grand Prix, 2005-09 LaCrosse & 2006-07 Monte Carlo & 2006-09 Impala
Vehicle: 2008 Chevrolet Impala SS 5.3 V8 GAS
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.
- Place the windshield wipers in the up position by turning the ignition switch Off when the wipers reach the desired position.
- Open the hood.
- Lift the righthand side of the rear hood seal from the flange in the area of the righthand air inlet grill...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
General Motors Corp./Saturn Cars -> Reduce Engine Power Indicator Lamp ->
Vehicle: 2008 Chevrolet Impala 50TH Anniversary Edition 3.5 V6 FLEX
The Reduce Engine Power indicator lamp should light for a approximately 3 seconds when the ignition is turned on as a bulb check. If the warning lamp turns on during vehicle operation, a vehicl...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Chevrolet Impala SS 5.3 V8 GAS
Lower
- Raise and support vehicle.
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator using hose clamp pliers J 38185 or equivalent.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from engine using hose clamp pliers J 38185 or equivalent.
- Remove radiator outlet hose from engine and from vehicle.
- Reverse procedure to install.
...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Chevrolet Impala AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Chevrolet Impala LS 3.5 V6 GAS
- Lift or rotate tensioner using a 1/2 i...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Chevrolet Impala AUTOMOBILES
Component location diagrams for most 2008 Chevrolet Impala cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Chevrolet Impala AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Chevrolet Impala cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Chevrolet Impala AUTOMOBILES
OEM TSB listings for most 2008 Chevrolet Impala cars and light trucks sold in the U.S. from 1985+.
Document: Resistance in Steering with High Under hood Temperatures Vehicle: 2008 Chevrolet Impala LS 3.5 V6 FLEX Auto Systems: |
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2008 Chevrolet Impala LS 3.5 V6 FLEX Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Chevrolet Impala AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Chevrolet Impala 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 2008 Chevrolet Impala 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 2008 Chevrolet Impala 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 2008 Chevrolet Impala 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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