2004 Pontiac Grand Prix Service and Repair Manual

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Factory-Grade Data

2004 Pontiac Grand Prix 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

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

Trims covered

  • GTP Sedan 4-Door
  • GT2 Sedan 4-Door
  • GT1 Sedan 4-Door

Engines covered

  • 3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged
  • 3.8L 3800CC 231Cu. 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

2004 Pontiac Grand Prix Recalls & Complaints

NHTSA #15V70100026/10/2015Component: ENGINE AND ENGINE COOLING:ENGINE

General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chev

Consequence

Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.

Remedy

The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety

NHTSA #04V29900023/06/2004Component: STRUCTURE:FRAME AND MEMBERS

CERTAIN PASSENGER VEHICLES HAVE A CONDITION WHERE THE FRONT FRAME REAR BODY MOUNT BRACKET MAY FRACTURE.

Consequence

IF IGNORED, THE BRACKET WOULD FRACTURE AND DEGRADE TO THE POINT WHERE THE INTERMEDIATE STEERING SHAF

Remedy

DEALERS WILL INSPECT THE FRONT FRAME ASSEMBLY AND REPLACE IT IF NECESSARY. THE RECALL BEGAN ON AUG

NHTSA #04V28700023/06/2004Component: SERVICE BRAKES, HYDRAULIC

CERTAIN PASSENGER VEHICLES WERE PRODUCED WITH LOWER THAN SPECIFIED TORQUE ON BOTH FRONT BRAKE CALIPER TO STEERING KNUCKLE ATTACHMENT BOLTS. WITH IMPROPER TORQUE, THE CLAMP LOAD AT THE JOINT MAY NOT B

Consequence

DEPENDING ON WHETHER ONE OR BOTH BOLTS BACKS OUT OR FRACTURES, THE RESULT CAN BE LOCKING OF THE AFFE

Remedy

DEALERS ARE TO TIGHTEN BOTH BOLTS TO THE SPECIFIED TORQUE. OWNER NOTIFICATION BEGAN ON JUNE 28, 200

NHTSA #09E00500017/02/2009Component: STEERING

DORMAN IS RECALLING 979 STEERING KNUCKLES, DORMAN P/NOS. 697-902 AND 697-903, SOLD UNDER DORMAN'S "OE SOLUTIONSTM" BRAND NAME, AND NAPA P/NOS. 7-8502 AND 7-8503 WHICH WERE SOLD FOR REPLACEM

Consequence

A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARN

Remedy

DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE T

NHTSA #03V33100012/09/2003Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, A

CERTAIN PASSENGER VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, "PASSENGER CAR BRAKING SYSTEMS." ON SOME OF THESE VEHICLES, THE RIGHT REAR BRAKE HOSE

Consequence

IF ENOUGH FLUID LEAKS, THE BRAKE PEDAL WILL BE LOWER THAN NORMAL, AND STOPPING DISTANCES WILL BE LON

Remedy

DEALERS WILL TIGHTEN THE RIGHT REAR BRAKE HOSE FITTING TO THE PROPER TORQUE SPECIFICATION, AND ADD B

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 #05V04600009/02/2005Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

CERTAIN PASSENGER VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 124, 'ACCELERATOR CONTROL SYSTEMS.' IF ONE OF THE TWO ACCELERATOR PEDAL RETURN SPRINGS FAI

Consequence

IF THIS WERE TO OCCUR, GREATER BRAKE PEDAL FORCE AND A LONGER DISTANCE MAY BE REQUIRED TO STOP THE V

Remedy

DEALERS WILL REPLACE THE ACCELERATOR PEDAL ASSEMBLY. THIS RECALL BEGAN ON MARCH 8, 2005. OWNERS MA

NHTSA #15V20100006/04/2015Component: ENGINE AND ENGINE COOLING:ENGINE

General Motors LLC (GM) notified the agency on April 2, 2015, that they are is recalling certain model year 2004 Buick Regal vehicles manufactured April 9, 2003, to June 1, 2003, 2004 Chevrolet Impala

Consequence

The leaking engine oil can drip onto the hot surface of the exhaust manifold, increasing the risk of

Remedy

GM will notify owners, and dealers will remove the plastic cover and plastic oil fill tube extension

TSB #11020816

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

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 #11009156

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

TSB #11007744

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

TSB #11007743

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

TSB #11007208

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

TSB #11006621

Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected mo

TSB #11004557

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

Showing the 8 most recent of 510 technical service bulletins on file with NHTSA.

20150416Component: AIR BAGSCrash reported4 injured

TL* THE CONTACT OWNS A 2004 PONTIAC GRAND PRIX. WHILE DRIVING 55 MPH, THE ENGINE STALLED. THE VEHICLE SPUN OUT UNCONTROLLABLY AND CRASHED INTO A DITCH. THE AIR BAGS FAILED TO DEPLOY. THE DRIVER SUSTAI

20150416Component: ENGINECrash reported4 injured

TL* THE CONTACT OWNS A 2004 PONTIAC GRAND PRIX. WHILE DRIVING 55 MPH, THE ENGINE STALLED. THE VEHICLE SPUN OUT UNCONTROLLABLY AND CRASHED INTO A DITCH. THE AIR BAGS FAILED TO DEPLOY. THE DRIVER SUSTAI

20140402Component: STEERINGCrash reported4 injured

I WAS DRIVING AT 40MPH ON FREEWAY ABOUT TO EXIT A VEHICLE CUT ME OFF. SLAM BRAKES AND BRAKES LOCKED AND MADE PULSATIONS (I THOUGHT IT WAS ABS BUT LATER FOUND OUT MY VEHICLE IS NOT EQUIPED WITH ABS)

20140402Component: SERVICE BRAKESCrash reported4 injured

I WAS DRIVING AT 40MPH ON FREEWAY ABOUT TO EXIT A VEHICLE CUT ME OFF. SLAM BRAKES AND BRAKES LOCKED AND MADE PULSATIONS (I THOUGHT IT WAS ABS BUT LATER FOUND OUT MY VEHICLE IS NOT EQUIPED WITH ABS)

20190228Component: AIR BAGSCrash reported2 injured

I HAD BARELY HIT A CURB PULLING INTO THE BANK PARKING WHEN MY BRAKE PAD WOULDN'T STOP. AT LESS THAN 7MPH. MY AIR BAGS HAD DEPLOYED LEAVING ME JARRED, AND IN A SHOCK I COULD NOT MOVE. I SAT LOCKED IN T

Showing the 5 most serious of 624 complaints filed with NHTSA.

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