2002 Chevrolet Avalanche 2500 Service and Repair Manual

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Factory-Grade Data

2002 Chevrolet Avalanche 2500 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 Crew Cab Pickup 4-Door

Engines covered

  • 8.1L 496Cu. In. V8 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

2002 Chevrolet Avalanche 2500 Recalls & Complaints

NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FU

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGA

TSB #11020816

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

TSB #11012907

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

TSB #11010544

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

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.

Showing the 8 most recent of 94 technical service bulletins on file with NHTSA.

20080809Component: AIR BAGSCrash reported1 injured

A GUY RAN THROUGH A STOP SIGN WHICH CAUSED ME TO HIT HIM NEAR THE END OF HIS VEHICLE. HE WAS TRYING AN XTERRA AND I HIT HM HEAD ON NEAR THE END OF HIS VEHICLE HOWEVER MY AIRBAGS

20140119Component: SERVICE BRAKESCrash reported

THE AVALANCHE IS OUR TOW VEHICLE (ONLY) WHICH IS WHY IT HAS SO FEW MILES FOR A 2002 MODEL YEAR VEHICLE. NORMALLY IT IS TOWING A 9000 POUND 28 FOOT TOY HAULER, BUT JUST BY PURE LUC

20140119Component: FUEL SYSTEM, GASOLINECrash reported

THE AVALANCHE IS OUR TOW VEHICLE (ONLY) WHICH IS WHY IT HAS SO FEW MILES FOR A 2002 MODEL YEAR VEHICLE. NORMALLY IT IS TOWING A 9000 POUND 28 FOOT TOY HAULER, BUT JUST BY PURE LUC

20131011Component: SERVICE BRAKESCrash reported

WHEN PULLING INTO MY DRIVEWAY, THE BRAKES PEDAL WENT ALL THE WAY TO THE FLOOR. I RAN INTO MY UTILITY TRAILER, BUT NO DAMAGE WAS CAUSED. AVALANCHE IS AT THE GARAGE NOW, HE INF

Showing the 4 most serious of 67 complaints filed with NHTSA.

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