1988 Cadillac DeVille 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
- Base Sedan 4-Door
- Base Coupe 2-Door
Engines covered
- 4.5L 273Cu. In. V8 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
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
UPON STARTING, PLACED INTO REVERSE GEAR, SUDDENLY ENGINE SURGED, THEN ACCELERATED OUT OF CONTROL, OVER POWERING BRAKE. TT
UPON STARTING, PLACED INTO REVERSE GEAR, SUDDENLY ENGINE SURGED, THEN ACCELERATED OUT OF CONTROL, OVER POWERING BRAKE. TT
APPROXIMATELY 1,OOO MILES AFTER REPLACING BRAKE PADS AND SHOES FOR FRONT BRAKES, CONSUMER WAS INVOLVED IN 2 REAREND ACCIDENTS. IN BOTH INSTANCES, VEHICLE WAS IN STOP AN GO TRAFFIC. CONSUMER APPLIED F
APPROXIMATELY 1,OOO MILES AFTER REPLACING BRAKE PADS AND SHOES FOR FRONT BRAKES, CONSUMER WAS INVOLVED IN 2 REAREND ACCIDENTS. IN BOTH INSTANCES, VEHICLE WAS IN STOP AN GO TRAFFIC. CONSUMER APPLIED F
WHILE CONSUMER'S WIFE WAS DRIVING VEHICLE REFUSED TO STOP WHEN BRAKES WERE APPLIED DUE TO IDLE SPEED CONTROL MOTOR FAILURE. VEHICLE LOST CONTROL. ALSO, BRAKES WERE SMOKING AND ON FIRE. VEHICLE HAD NO
Showing the 5 most serious of 41 complaints filed with NHTSA.
