2003 Chevrolet Impala Service & Repair Manual

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The service and repair manual for the 2003 Chevrolet Impala — 3.8L V6 and 3.4L V6 engines, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Chevrolet published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2003
Engines
3.8L V6 — 232 cu in, OHV
3.4L V6 — OHV
TrimsPolice Sedan 4-Door · Base Sedan 4-Door · LS Sedan 4-Door · LS Sport Sedan 4-Door
Federal record5 recalls · 935 complaints · 261 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2003 Impala manual

2003 Chevrolet Impala service manual page 12003 Chevrolet Impala service manual page 22003 Chevrolet Impala service manual page 32003 Chevrolet Impala service manual page 42003 Chevrolet Impala service manual page 52003 Chevrolet Impala service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 580
  • General Information 2,211
  • Accessories & Equipment 3,325
  • Heating, Ventilation & A/C (HVAC) 236
  • Body & Frame 1,748
  • Maintenance 62
  • Brakes 579
  • Restraints 600
  • Drivelines & Axles 512
  • Steering 184
  • Electrical 2,083
  • Suspension 177
  • Engine Mechanical 601
  • Transmission 601
  • Engine Performance 2,646

04 / Known issuesRecalls on federal record for the 2003 Impala

  1. Engine And Engine Cooling — engine · 15V701000
    Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
  2. Steering · 08E063000
    If the weld fails, loss of steering could result, possibly resulting in a vehicle crash.
  3. Steering · 09E005000
    A broken steering knuckle could result in loss of steering control and a possible crash wi.
  4. Air Bags — frontal › driver side › inflator module · 03V051000
    This could result in reduced capability of the air bag to protect the driver. also if the.
  5. Engine And Engine Cooling · 09V116000
    If the manifold is hot enough and the oil runs below the heat shield, it may ignite into a.

Owners have filed 935 complaints and Chevrolet has issued 261 technical service bulletins for the 2003 Impala. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2003 Impala manual

Is this manual specific to the 2003 Impala?

Yes. It is the OEM manual matched to the 2003 model year, covering the 3.8L V6 and 3.4L V6 across the Police Sedan 4-Door, Base Sedan 4-Door, LS Sedan 4-Door, LS Sport Sedan 4-Door trims. Specifications and procedure sequences are the ones Chevrolet published for this year.

What 2003 Impala problems does it help with?

5 recalls are on federal record for the 2003 Impala, covering engine and engine cooling, steering, air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Chevrolet dealers.

Does it include 2003 Impala wiring diagrams?

Yes — the complete wiring diagrams for the 2003 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther Impala years and 2003 Chevrolet models

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