1996 GMC Sonoma Service and Repair Manual

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Factory-Grade Data

1996 GMC Sonoma 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 Extended Cab Pickup 3-Door
  • SLS Extended Cab Pickup 3-Door
  • SLS Extended Cab Pickup 2-Door
  • SLE Extended Cab Pickup 2-Door
  • SL Standard Cab Pickup 2-Door
  • SLS Standard Cab Pickup 2-Door
  • SLE Standard Cab Pickup 2-Door

Engines covered

  • 2.2L 2190CC 134Cu. In. l4 GAS OHV Naturally Aspirated
  • 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

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Vehicle Safety Data

1996 GMC Sonoma Recalls & Complaints

NHTSA #98V15000101/07/1998Component: VISIBILITY:WINDSHIELD WIPER/WASHER

VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES, 2 AND 4-WHEEL DRIVE. SOLDER JOINTS NEAR THE WIRING HARNESS CONNECTOR CAN CRACK CAUSING THE WINDSHIELD WIPERS TO WORK INTERMI

Consequence

THIS CONDITION CAN RESULT IN INOPERATIVE WIPERS, REDUCING A DRIVER'S VISIBILITY, AND INCREASING THE

Remedy

DEALERS WILL REPLACE THE WIPER MOTOR CIRCUIT BOARD AND COVER.

NHTSA #98V15000201/07/1998Component: VISIBILITY:WINDSHIELD WIPER/WASHER

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES, 2 AND 4-WHEEL DRIVE. SOLDER JOINTS NEAR THE WIRING HARNESS CONNECTOR CAN CRACK CAUSING THE WINDSHIELD WIPERS TO WORK INTERMITTENTLY.

Consequence

THIS CONDITION CAN RESULT IN INOPERATIVE WIPERS, REDUCING A DRIVER'S VISIBILITY, AND INCREASING THE

Remedy

DEALERS WILL REPLACE THE WIPER MOTOR CIRCUIT BOARD AND COVER.

TSB #10232287

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

TSB #10208027

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 #10171318

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 #10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

TSB #10013572

4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH

TSB #10010375

SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT

TSB #10010270

HEAT COMING FROM VENTS WITH HVAC OFF. *TT

TSB #10007838

DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT

Showing the 8 most recent of 28 technical service bulletins on file with NHTSA.

20000416Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported2 injured

NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK

20000416Component: POWER TRAIN:MANUAL TRANSMISSIONCrash reported2 injured

NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK

20000416Component: VISIBILITY:WINDSHIELDCrash reported2 injured

NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK

19990930Component: SEATS:FRONT ASSEMBLY:HEAD RESTRAINTCrash reported1 injured

VEHICLE DID NOT HAVE AN ADJUSTABLE HEADREST. DURING A REAR END ACCIDENT CONSUMER SUFFERED WHIPLASH DUE TO THE FACT THAT THE HEAD REST WAS NOT HIGH ENOUGH TO SUPPORT THE HEAD. THE DEALER HAS NOT BEEN

19980430Component: AIR BAGS:FRONTALCrash reported1 injured

WAS DRIVING AT 25MPH WHEN ANOTHER VEHICLE RAN STOP SIGN AND STRUCK THE CONSUMER, CAUSING HIM TO HIT ANOTHER VEHICLE. AIR BAG FAILED TO DEPLOY, RESULTING IN AN INJURY, DEALER NOFITIED. *AK

Showing the 5 most serious of 190 complaints filed with NHTSA.

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