1994 Buick Skylark 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.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Gran Sport Sedan 4-Door
- Custom Coupe 2-Door
- Limited Coupe 2-Door
- Custom Sedan 4-Door
- Limited Sedan 4-Door
- Gran Sport Coupe 2-Door
Engines covered
- 3.1L 189Cu. In. V6 GAS OHV Naturally Aspirated
- 2.3L 138Cu. In. l4 GAS SOHC 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
VEHICLE DESCRIPTION: PASSENGER VEHICLES. IF THE ENGINE STARTER FAILS TO ENGAGE AND THE DRIVER HOLD THE KEY IN THE "START" POSITION FOR AN EXTENDED PERIOD, HIGH CURRENT FLOWS THROUGH THE IGNITION S
A FIRE COULD OCCUR IN THE STEERING COLUMN AND SPREAD TO THE INTERIOR OF THE CAR.
DEALERS WILL INSTALL A RELAY KIT AND VERIFY THAT THE VEHICLE WILL START WITH A PROPERLY CHARGED BATT
THESE VEHICLES WERE CONSTRUCTED WITH WELDS IN THE REAR COMPARTMENT PAN ASSEMBLY THAT ARE NOT SUFFICIENT TO COMPLY WITH THE REQUIREMENTS PERTAINING TO FUEL TANK LEAKAGE IN THE EVENT OF A REAR IMPACT CO
THIS CAN RESULT IN AN INCREASED RISK OF A VEHICLE FIRE IN THE EVENT OF A REAR IMPACT COLLISION.
DEALER WILL INSTALL RIVETS ADJACENT TO THE LOCATIONS WHERE THE SUSPECT WELDS ARE LOCATED.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
VEHICLES MAY SET ANYONE OR A COMBINATION OF FRONT-WHEEL SPEED SENSOR ANTI-LOCK BRAKE SYSTEM CODES AS INTERMITTENT OR HARD FAILURES. GM VOICEMAIL EXPRESS. *TT
ANTI-LOCK BRAKING SYSTEM (ABS) FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT
ABS FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT
REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. *TT
SOME OWNERS MAY COMMENT ON DRIVEABILITY SYMPTONS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING
INFORMATION REGARDING IGNITION SWITCH HIGH ELECTRICAL CURRENT. *JB
Showing the 8 most recent of 39 technical service bulletins on file with NHTSA.
DURING FRONTAL IMPACT, THE DRIVER'S SIDE AIR BAG DID NOT DEPLOY. SPEED UNKNOWN. *AK
DT*: THE CONTACT STATED WHILE DRIVING 25 MPH, THE VEHICLE ENGINE HESITATED, THEN STALLED COMPLETELY. THE VEHICLE LOST POWER ASSIST STEERING, AND POWER ASSIST BRAKING. AFTER BEING RESTARTED, THE VEH
DT*: THE CONTACT STATED WHILE DRIVING 25 MPH, THE VEHICLE ENGINE HESITATED, THEN STALLED COMPLETELY. THE VEHICLE LOST POWER ASSIST STEERING, AND POWER ASSIST BRAKING. AFTER BEING RESTARTED, THE VEH
CONSUMER HAD A FRONT IMPACT CRASH AT 35 MPH, AND DRIVERS AIRBAG DID NOT DEPLOY. CONSUMER SUFFERED KNEE AND BACK INJURIES, AND VEHICLE WAS TOTALLED.*AK *SLC
DURING FRONTAL IMPACT, THE DRIVER'S SIDE AIR BAG DID NOT DEPLOY. *AK
Showing the 5 most serious of 95 complaints filed with NHTSA.
