1998 Pontiac Sunfire 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Sedan 4-Door
- SE Coupe 2-Door
- SE Convertible 2-Door
- SE Sedan 4-Door
- GT Coupe 2-Door
Engines covered
- 2.4L 2392CC 146Cu. In. l4 GAS DOHC Naturally Aspirated
- 2.2L 2190CC 134Cu. 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
ON CERTAIN PASSENGER VEHICLES. IF THE ENGINE FAILS TO START AND THE DRIVER HOLDS THE KEY IN THE "START" POSITION FOR AN EXTENDED PERIOD, HIGH CURRENT FLOWS THROUGH THE IGNITION SWITCH, AND SOMETIMES P
IF THE SWITCH IS DAMAGED, A FIRE COULD OCCUR IN THE STEERING COLUMN, EVEN WITH THE ENGINE OFF AND TH
DEALERS WILL INSTALL A RELAY KIT IN THESE VEHICLES TO PREVENT HIGH CURRENT FROM FLOWING THROUGH THE
DORMAN PRODUCTS IS RECALLING 3,900 INTERMEDIATE STEERING SHAFTS DORMAN PART NOS. 425-151, 425-152, AND 425-153, (SOLD UNDER DORMAN'S "OE SOLUTIONS" BRAND NAME), BALKAMP #'S 7-3057, 7-3058, 7-3059 (SOL
IF THE WELD FAILS, LOSS OF STEERING COULD RESULT, POSSIBLY RESULTING IN A VEHICLE CRASH.
DORMAN WILL NOTIFY OWNERS AND REPLACE THE STEERING SHAFTS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
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
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
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBR
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
INFORMATION ON 4T40-E (MN4) AND 4T45-E (MN5) FRONT WHEEL DRIVE AUTOMATIC TRANSMISSION VALVE BODY RECONDITIONING, DTC P0741, P0742, P0751, P0752, P0756, P0757, P1811, HARSH SHIFTS, SLIPS, NO DRIVE, NO REVERSE. *NJ
ABS PUMP RUNNING WHEN NOT NEEDED. *NJ
CLUNK FELT/NOISE HEARD FROM STEERING COLUMN, STEERING GEAR AND/OR FRONT OF VEHICLE DURING TURNING MANEUVER AND/OR STEERING WHEEL ROTATION (LUBRICATE INTERMEDIATE SHAFT [I-SHAFT]). *NJ
Showing the 8 most recent of 88 technical service bulletins on file with NHTSA.
CONSUMER CALLED COMPLAINING ABOUT HAVING PROBLEM WITH THE VEHICLE SEAT BACK COLLAPSE. DEALER HAS BEEN NOTIFIED. TS VEHICLE WAS REAR-ENDED AND SEAT BACKS WERE THROWN FORWARD THEN COLLAPSED INTO RECLI
SHE WAS INVOLVED IN A ACCIDENT WHERE THE LADY HIT HER ON THE DRIVERS SIDE OF THE CAR. I HAVE SEEN ON TV WHERE THIS CAR HAS A VERY BAD SIDE IMPACT RATING, AND ALSO ON THIS WEBSITE. THE WOMAN WHO HIT HE
WHILE DRIVING 25-30 MPH THERE WAS A PASSENGER'S SIDE FRONT IMPACT, AND NEITHER AIRBAG DEPLOYED. $ AMOUNT OF DAMAGE UNKNOWN. *AK
1998 PONTIAC SUNFIRE MAKING A RIGHT TURN 30 MPH WHEN ALL WHEEL LUG BOLTS BROKE ON RIGHT FRONT WHEEL AND WHEEL CAME OFF. WHEEL GOT STUCK UNDER CAR. NO STEERING AND BRAKING WAS LIMITED. CAR WENT OFF T
MY DAUGHTER WAS DRIVING MY 1998 PONTIAC SUNFIRE AND HAD A COLLISION WITH ANOTHER CAR. SHE REPORTED THAT THE BRAKES FAILED AND WOULD NOT STOP THE CAR AT ALL. WE HAVE ALSO REPORTED TO THE DEALER ON M
Showing the 5 most serious of 149 complaints filed with NHTSA.
