2004 Porsche Boxster Service and Repair Manual

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Covers all 2004 Boxster trims — S Convertible 2-Door, Base Convertible 2-Door, S Special Edition Convertible 2-Door ·
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2004 Porsche Boxster 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.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • S Convertible 2-Door
  • Base Convertible 2-Door
  • S Special Edition Convertible 2-Door

Engines covered

  • 3.2L 3179CC H6 GAS DOHC Naturally Aspirated
  • 2.7L 2687CC H6 GAS DOHC 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
NHTSA #22V65600030/08/2022Component: EXTERIOR LIGHTING:HEADLIGHTS

Porsche Cars North America, Inc. (Porsche) is recalling certain 2003-2020 Porsche Macan, Cayenne, Panamera, and Cayman S, 2001-2004 Boxster, Boxster S, 2004 Boxster 50 JAHRE SPYDER 550 vehicles. Plea

Consequence

Improperly adjusted headlights may not illuminate the road properly, or cause a glare to oncoming dr

Remedy

Dealers will inspect the headlights for sealing caps and install missing caps as necessary, free of

NHTSA #09E02500011/05/2009Component: EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF

Consequence

DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

Remedy

DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

NHTSA #09E01200007/04/2009Component: EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF

Consequence

DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

Remedy

SABERSPORT WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

TSB #11033656

Tech live look information bulletin for How to use Frontline.io on the HoloLens 2

TSB #11033655

Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.

TSB #11033654

Parts information for parts withdrawal involving the door lock. The part numbers involved are all included in the PDF. All parts before generation status S08 and before pro-duction date 01.09.2024. The vehicles affected are ones that use th

TSB #11033625

Parts information for parts withdrawal involving 9J1827447B, PAA971221B, and 95B201060AA. The lock, the fuel tank attachments, and the module connector. The vehicles affected are ones that use the part number(s) mentioned.

TSB #11033597

Special tools and equipment information for VAS 6296/10 Auto-Ship and Q1 2026 Software Spec Update Available

TSB #11033595

Parts information for parts withdrawal involving the (976809858) Fuel filler flap module. The vehicles affected are ones that use the part number mentioned.

TSB #11033534

Parts information for parts withdrawal involving servomotor and rear light. Part numbers affected are 976411881E, 976511881E, PAD411881B, PAD511881A, PAD411881C, 973945093BC. The vehicles involved are ones that use the part numbers mentione

TSB #11033388

Technical information for a software update of various control units: Software Network VR28.13 SQ4

Showing the 8 most recent of 321 technical service bulletins on file with NHTSA.

20120621Component: ENGINE

THE INTERMEDIATE SHAFT BEARING WHEN OUT AND SPREAD METAL SHAVING THROUGHOUT THE ENGINE. THIS CAUSED A CATASTROPHIC ENGINE FAILURE. I HAVE TO HAVE THE CAR TOWED TO THE MECHANIC AND WILL HAVE TO HAVE AN

20110429Component: ENGINE AND ENGINE COOLING:ENGINE

2004 PORSCHE BOXSTER, 58-60K MI, HAD CATASTROPHIC ENGINE FAILURE AT 10 MI/HR. ENGINE STALLED; WAS ABLE TO RESTART AND DRIVE A FEW FEET, BUT BADLY MISSING. LOUD CLANGING NOISE FROM ENGINE. NO SMOKE. OI

20090507Component: ENGINE AND ENGINE COOLING

TL*THE CONTACT OWNS A 2004 PORSCHE BOXSTER. WHEN ACCELERATING FROM A STOP LIGHT AT 2 MPH, THE VEHICLE STALLED. THE VEHICLE WAS TOWED TO A DEALER AND THEY STATED THAT THE IMS (INTERMEDIATE SHAFT) FAI

20090507Component: STEERING

TL*THE CONTACT OWNS A 2004 PORSCHE BOXSTER. WHEN ACCELERATING FROM A STOP LIGHT AT 2 MPH, THE VEHICLE STALLED. THE VEHICLE WAS TOWED TO A DEALER AND THEY STATED THAT THE IMS (INTERMEDIATE SHAFT) FAI

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