2002 GMC Envoy XL Service and Repair Manual

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Covers all 2002 Envoy XL trims — SLE Sport Utility 4-Door, SLT Sport Utility 4-Door ·
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2002 GMC Envoy XL 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

  • SLE Sport Utility 4-Door
  • SLT Sport Utility 4-Door

Engines covered

  • 4.2L 256Cu. In. l6 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 #05V49400027/10/2005Component: LATCHES/LOCKS/LINKAGES:DOORS:LATCH

CERTAIN SPORT UTILITY VEHICLES HAVE A REAR SIDE CLOSURE LATCH THAT MAY NOT LATCH OR UNLATCH DUE TO CORROSION CAUSED BY ROAD SPLASH, SUCH AS WATER AND ROAD SALT. THESE VEHICLES WERE ORIGINALLY SOLD IN

Consequence

IF THE DOOR IS NOT LATCHED PROPERLY AND IT GOES UNNOTICED, IT MAY OPEN WHILE THE VEHICLE IS IN MOTIO

Remedy

DEALERS WILL INSTALL A SEAL ALONG THE LOWER PART OF THE ROCKER PANEL TO PREVENT INTRUSION OF CORROSI

NHTSA #04V04600004/02/2004Component: VISIBILITY:WINDSHIELD WIPER/WASHER

CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOU

Consequence

DEPENDING ON THE OCCURRENCE AND WEATHER SITUATION, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD R

Remedy

DEALERS WILL COVER THE WINDSHIELD WIPER MODULE VENT HOLE WITH A PATCH. ALSO, THE WIPER MOTOR, CIRCU

NHTSA #04V52700001/11/2004Component: EXTERIOR LIGHTING:BRAKE LIGHTS

ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.

Consequence

AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING

Remedy

DEALERS WILL INSPECT THE TAIL LAMP/STOP LAMP ASSEMBLIES, AND IF NECESSARY, REPLACE THEM. THE RECALL

TSB #11020816

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

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

TSB #11004761

This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should

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.

TSB #11002312

This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

TSB #10252735

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

TSB #10251890

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

Showing the 8 most recent of 95 technical service bulletins on file with NHTSA.

20080222Component: AIR BAGSCrash reported1 injured

I WAS INVOLVED IN A ACCIDENT ON 2/21/08 AT 2:00PM THE ACCIDENT INVOLVED THREE CARS. I WAS DRIVING A 2002 GMC ENVOY 1ST CAR CROSSED THREE LANES OUT OF CONTROL I HIT THE CAR AND ANOTHER CAR HIT ME FROM

20080222Component: SEAT BELTS:FRONTCrash reported1 injured

I WAS INVOLVED IN A ACCIDENT ON 2/21/08 AT 2:00PM THE ACCIDENT INVOLVED THREE CARS. I WAS DRIVING A 2002 GMC ENVOY 1ST CAR CROSSED THREE LANES OUT OF CONTROL I HIT THE CAR AND ANOTHER CAR HIT ME FROM

20170405Component: AIR BAGSCrash reported

IN AN ACCIDENT ON I75 WHEN FORCED OFF ROAD INTO TREES AHD LARGE TREE DENT IN FRONT FENDER. AIRBAG IN FRONT NEVER DEPLOYED AND DRIVER SIDE AIRBAG HAD HOLES BLOWN IN IT THAT DAMAGED MY LEFT HAND AND ARM

20120108Component: SEAT BELTSFire reported

I DON'T KNOW WHY THERE IS NO IN INVESTIGATION WHEN THERE'S ALOT OF THE SAME VEHICLE GOING THROUGH THE SAME PROBLEMS MY 2002 HAS 118 000 AND IT HAD ALLLLLLLLLLLLLLLLLLL OF THE PROBLEMS THAT EVERYBODY

20120108Component: VISIBILITYFire reported

I DON'T KNOW WHY THERE IS NO IN INVESTIGATION WHEN THERE'S ALOT OF THE SAME VEHICLE GOING THROUGH THE SAME PROBLEMS MY 2002 HAS 118 000 AND IT HAD ALLLLLLLLLLLLLLLLLLL OF THE PROBLEMS THAT EVERYBODY

Showing the 5 most serious of 111 complaints filed with NHTSA.

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