2003 GMC Safari Service and Repair Manual

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Covers all 2003 Safari trims — Base Extended Cargo Van 3-Door, SLT Extended Passenger Van 3-Door, SLE Extended Passenger Van 3-Door ·
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2003 GMC Safari 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

  • Base Extended Cargo Van 3-Door
  • SLT Extended Passenger Van 3-Door
  • SLE Extended Passenger Van 3-Door

Engines covered

  • 4.3L 262Cu. 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
NHTSA #03V32800012/09/2003Component: SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT

CERTAIN MINIVANS HAVE AN INTERFERENCE CONDITION BETWEEN THE LOWER BALL JOINT RUBBER BOOT AND THE STEERING KNUCKLE (BOTH LEFT/RIGHT SIDES), WHICH COULD RESULT IN CUTTING OF THE BOOT THAT IS INTENDED TO

Consequence

THE STEERING KNUCKLE COULD SEPARATE FROM THE LOWER CONTROL ARM, DROPPING DOWN THE AFFECTED CORNER OF

Remedy

DEALERS WILL REPLACE THE STEERING KNUCKLES. OWNER NOTIFICATION IS EXPECTED TO BEGIN ON APRIL 8, 200

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 #11006421

GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the deal

Showing the 8 most recent of 191 technical service bulletins on file with NHTSA.

20130325Component: AIR BAGSCrash reported

TL* THE CONTACT OWNS A 2003 GMC SAFARI. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, HE CRASHED HEAD-ON INTO ANOTHER VEHICLE AND THE AIR BAGS FAILED TO DEPLOY. THE VEHICLE WAS DESTROYED. THERE WERE N

20070417Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AFire reported

TL*THE CONTACT OWNS A 2003 GMC SAFARI. THE VEHICLE WAS PARKED AND THE CONTACT SMELLED SOMETHING BURNING. HE LIFTED THE HOOD AND NOTICED THE CLAMP THAT HELD THE BRAKE LINE WAS ON FIRE. THE CONTACT E

20151005Component: SERVICE BRAKES

THE BRAKE LINES IN FRONT ARE RUSTED OUT AND LEAKING CREATING A SERIOUS PROBLEM, AS THE BRAKES ARE NOT WORKING. I SEE THIS IS A RE-OCCURRING PROBLEM WITH GMC VEHICLES. THE COST TO REPAIR IS ASTRONOMI

20140928Component: SERVICE BRAKES

. I WOULD LIKE TO REPORT THE INCIDENT I HAD WITH MY AUTOMOBILE: GMC SAFARI WAGON 2003. ONE DAY IN JULY THIS YEAR (2014) I APPLIED THE BRAKES OF THE ABOVE VEHICLE WHEN I WAS APPROACHING THE RED TRAFF

20090717Component: SERVICE BRAKES, HYDRAULIC

OUR 2003 GMC SAFARI HAS HAD THE BRAKES SPONTANEOUSLY FAIL WHILE WE WERE DRIVING IT AT LEAST SIX TIMES (EVERY COUPLE OF MONTHS OR SO) FOR THE PAST YEAR. EACH TIME, THE PEDAL JUST DROPPED TO THE FLOOR,

Showing the 5 most serious of 19 complaints filed with NHTSA.

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