1992 GMC Sonoma Service and Repair Manual
This factory service and repair manual for the 1992 GMC Sonoma has three engines to keep straight — the 4.3L V6 at 262 cubic inches, the 2.8L V6 at 173, and the 2.5L inline-four at 151, every one naturally aspirated and overhead-valve. The compact pickup came as a two-door standard cab or a two-door extended cab, in Base, GT or SLE trim. The manual sorts procedures, specifications, torque values, wiring diagrams and diagnostics by system, so the right figures for a given engine and body are quick to find.
Engines covered
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, gasoline
- 2.8L V6 (173 cu in) — OHV, naturally aspirated, gasoline
- 2.5L inline-four (151 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 2-door standard cab pickup
- 2-door extended cab pickup
Trims covered
- Base
- GT
- SLE
Known issues on the 1992 Sonoma. Three recalls touch this model year. Two involve fuel delivery parts supplied for service: a return line whose bleed valve was left out, and a replacement filter that seals poorly at its connection — either can weep fuel and, near an ignition source, start a fire. The third concerns four-wheel-drive trucks whose antilock brake system can be told the wrong drive mode, lengthening a stop without warning. Of 42 complaints, half name the service brakes, which is where this manual's hydraulic and antilock diagnostics earn their keep.
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
IF THIS OCCURRED AT A TIME WHEN MINIMUM STOPPING DISTANCE WAS REQUIRED, A VEHICLE CRASH COULD OCCUR
DEALERS WILL REPLACE OR REPAIR THE 4-WHEEL/2-WHEEL DRIVE SWITCH.
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
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
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
A FUEL LEAK CAN OCCUR AT THE VALVE, POSSIBLY RESULTING IN A FIRE.
R&B, INC. WILL NOTIFY OWNERS AND AT THE CUSTOMERS REQUEST, EITHER REPLACE THE FUEL LINE OR OFFER A F
CPI ENGINE NOISE (INSTALL NEW GEARS/NEW MEM-CALS). *SD
END GATE LATCH RATTLE (INSTALL REVISED STRIKER). *TW
WATER LEAK AT THE A/C RECIRCULATION DOOR (INSTALL NEW HOOD HINGE SEAL). *TW
REAR SEAT RATTLES/LOOSENESS (INSTALL REAR SEAT LATCH). *TW
AFTER CONSUMER'S VEHICLE WAS HIT AT 35 MPH ON THE FRONT DRIVER SIDE FRONTAL AIR BAGS DID NOT DEPLOY. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK
WHILE DRIVING WHEN THE BRAKES APPLIED PEDAL WENT TO THE FLOOR, CAUSING EXTENDED STOPPING DISTANCE, WHICH EVENTUALLY RESULTED IN AN ACCIDENT. DEALER HAS BEEN CONTACTED. *AK
WHILE DRIVING VEHICLE UNDER 10 MPH, ONE DAY COMING OUT OF HIS HOME DRIVEWAY COULDN'T STOP VEHICLE, THAT WAS THE FIRST TIME. BUT THE SECOND TIME ANOTHER DRIVER TRIED TO MAKE A LEFT TURN INFRONT OF CO
OWNER CLAIMS THAT WHEN HE APPLIES THE BRAKES THEY SOMETIMES DO NOT RESPOND. *AK
THE VEHICLE WAS PARKED WHEN IT SUDDENLY ROLLED BACKWARDS AND KNOCKED THE CONSUMER DOWN. THE CONSUMER WAS NOT HURT. *NLM
Showing the 5 most serious of 33 complaints filed with NHTSA.
