1993 GMC Sonoma Service and Repair Manual

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Covers all 1993 Sonoma trims — Base Extended Cab Pickup 2-Door, Base Standard Cab Pickup 2-Door, SLS Extended Cab Pickup 2-Door +3 more ·
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1993 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

  • Base Extended Cab Pickup 2-Door
  • Base Standard Cab Pickup 2-Door
  • SLS Extended Cab Pickup 2-Door
  • SLE Extended Cab Pickup 2-Door
  • SLS Standard Cab Pickup 2-Door
  • SLE Standard Cab Pickup 2-Door

Engines covered

  • 2.8L 173Cu. In. V6 GAS OHV Naturally Aspirated
  • 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated
  • 2.5L 2474CC 151Cu. In. l4 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 #99V19300019/07/1999Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

VEHICLE DESCRIPTION: CERTAIN 4-WHEEL DRIVE PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH ABS (ANTILOCK BRAKING SYSTEM) MANUFACTURED FROM SEPTEMBER 1989 THROUGH AUGUST 1996. UNDER CERTAIN D

Consequence

IF THIS OCCURRED AT A TIME WHEN MINIMUM STOPPING DISTANCE WAS REQUIRED, A VEHICLE CRASH COULD OCCUR

Remedy

DEALERS WILL REPLACE OR REPAIR THE 4-WHEEL/2-WHEEL DRIVE SWITCH.

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 HOUSING MANUFACTURE

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

NHTSA #06E04100018/05/2006Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

CERTAIN R&B, INC. CENTRAL MULTIPORT FUEL INJECTION (CMFI) FUEL RETURN LINES, MODELS HELP 55163, NAPA BALKAMP 700-3270, AND THE CONNECTION 2560001, SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR THE VEHICLE

Consequence

A FUEL LEAK CAN OCCUR AT THE VALVE, POSSIBLY RESULTING IN A FIRE.

Remedy

R&B, INC. WILL NOTIFY OWNERS AND AT THE CUSTOMERS REQUEST, EITHER REPLACE THE FUEL LINE OR OFFER A F

NHTSA #94V09300016/05/1994Component: POWER TRAIN:AUTOMATIC TRANSMISSION

SIGNIFICANT WEAR CAN DEVELOP ON THE LOW AND REVERSE CLUTCH PREVENTING THE PARK PAWL FROM ENGAGING. THIS CAN PREVENT A "NO PARK" CONDITION TO OCCUR WHILE THE ENGINE IS RUNNING, CAUSING UNINTENTIONAL MO

Consequence

UNINTENTIONAL VEHICLE MOVEMENT COULD RESULT IN A VEHICLE ACCIDENT AND INJURY TO PERSONS IN THE PATH

Remedy

DEALERS WILL CHECK THE TRANSMISSION FLUID FOR CONTAMINATION WHICH WILL INDICATE IF THE LOW OR REVERS

TSB #41072

END GATE LATCH RATTLE (INSTALL REVISED STRIKER). *TW

TSB #41076

WATER LEAK AT THE A/C RECIRCULATION DOOR (INSTALL NEW HOOD HINGE SEAL). *TW

TSB #39285

LETTER ANNOUNCING THE RE-ISSUE OF PRODUCT CAMPAIGN 93-C-52. *TW

TSB #39286

95-C-52 CAMPAIGN BULLETIN. *TW

TSB #39728

REAR SEAT RATTLES/LOOSENESS (INSTALL REAR SEAT LATCH). *TW

19990902Component: SEATS:FRONT ASSEMBLY:RECLINERCrash reported1 injured

DRIVER WAS REARENDED WHEN DRIVER SIDE SEATBACK COLLAPSED, CAUSING BACK INJUIRES.*AK

20000210Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

WHEN APPLYING BRAKES THE PEDAL WENT TO THE FLOOR, AND THE VEHICLE DID NOT STOP. DEALER COULD NOT DUPLICATE PROBLEM. *AK

19991221Component: VEHICLE SPEED CONTROLCrash reported

BASICALLY WHAT HAPPENED WAS WHAT IS DESCRIBED IN THE REPORT FOR THE NHTSA CAMPAIGN NUMBER 94V-93000. THE TRUCK WAS IN PARK IDLING AND IT SURGED FORWARD HITTING A WALL IN A PARKING GARAGE. I HAVE CON

19980209Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

DRIVING VEHICLE ABOUT 35MPH, WENT TO APPLY BRAKES (ABS), PEDAL CONTINUED TO FLOOR; VEHICLE DID NOT STOP, BUT SLID & THEN HIT WALL AT GAS STATION. *AK

19970410Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

OWNER HAS ABS BRAKES, HE STATES THAT BRAKES FAILED AND VEHICLE HIT A POLE CAUSING MILD DAMAGE TO THE VEHICLE . PROBLEM HAS NOT BEEN SOLVED. *AK

Showing the 5 most serious of 72 complaints filed with NHTSA.

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