2008 Chevrolet Impala Service and Repair Manual

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Factory-Grade Data

2008 Chevrolet Impala service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • LTZ Sedan 4-Door
  • Police Sedan 4-Door
  • SS Sedan 4-Door
  • 50th Anniversary Edition Sedan 4-Door
  • LT Sedan 4-Door
  • LS Sedan 4-Door

Engines covered

  • 3.9L 3880CC 237Cu. In. V6 FLEX OHV Naturally Aspirated
  • 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
  • 3.5L 3490CC 213Cu. In. V6 FLEX OHV Naturally Aspirated
  • 3.5L 3490CC 213Cu. In. V6 GAS OHV Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2008 Chevrolet Impala Recalls & Complaints

NHTSA #12V37700003/08/2012Component: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

General Motors (GM) is recalling certain model year 2008-2012 Chevrolet Impala police vehicles because the front lower control arms may fracture. This safety recall does not inclu

Consequence

A broken control arm can result in the loss of control of the vehicle, increasing the risk

Remedy

GM will notify owners, and dealers will replace both front lower control arms, free of cha

TSB #11023091

New Vehicle Monitoring Programs Section in IVH

TSB #11021792

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

TSB #11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

TSB #11019074

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019073

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019072

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11014455

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

TSB #11011782

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

Showing the 8 most recent of 1003 technical service bulletins on file with NHTSA.

20210118Component: ELECTRICAL SYSTEMCrash reportedFire reported1 injured

IN MOTION ON A CITY STREET TURNING LEFT , PEDAL STUCK BRAKES NOT WORKING AND HIT BY ON COMING CAR , FLIPPED IN AIR ABOUT A BLOCK , ROLLING OVER AGAIN AND AGAIN , NO AIR BAGS DEPLEA

20210118Component: VEHICLE SPEED CONTROLCrash reportedFire reported1 injured

IN MOTION ON A CITY STREET TURNING LEFT , PEDAL STUCK BRAKES NOT WORKING AND HIT BY ON COMING CAR , FLIPPED IN AIR ABOUT A BLOCK , ROLLING OVER AGAIN AND AGAIN , NO AIR BAGS DEPLEA

20210118Component: STEERINGCrash reportedFire reported1 injured

IN MOTION ON A CITY STREET TURNING LEFT , PEDAL STUCK BRAKES NOT WORKING AND HIT BY ON COMING CAR , FLIPPED IN AIR ABOUT A BLOCK , ROLLING OVER AGAIN AND AGAIN , NO AIR BAGS DEPLEA

20121214Component: POWER TRAINCrash reported3 injured

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE VEHICLE ERRONEOUSLY SHIFTED INTO NEUTRAL, CAUSING THE VEHICLE TO STALL. AS A RESULT,

Showing the 4 most serious of 1203 complaints filed with NHTSA.

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