1999 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 Limousine 4-Door
- Base Cab & Chassis 4-Door
- d'Elegance Sedan 4-Door
- Concours Sedan 4-Door
Engines covered
- 4.6L 281Cu. In. V8 GAS DOHC 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. SOME OF THE SIDE IMPACT SENSOR MODULES HAVE QUALITY PROBLEMS THAT CAN CAUSE AN INADVERTENT DEPLOYMENT OF THE DRIVER OR PASSENGER SIDE IMPACT AIR BAGS. THESE
HOWEVER, AN OCCUPANT CAN RECEIVE SOME INJURY FROM A DEPLOYMENT.
DEALERS WILL REPLACE THE DRIVER AND PASSENGER SIDE IMPACT SENSING MODULES. IF THE VEHICLE HAS HAD TH
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
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
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's
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 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
Showing the 8 most recent of 66 technical service bulletins on file with NHTSA.
AUTOMOBILE RAN A RED LIGHT AND COLLIDED WITH THE DRIVER'S SIDE OF MY CAR. CONSIDERABLE DAMAGE WAS DONE TO MY CAR. THE SIDE AIR BAGS FAILED TO DEPLOY SO I WAS THROWN AGAINST THE DOOR WITH INJURY TO M
AFTER HAVING RECALL REPAIRS DONE LAST YEAR ON AIRBAGS, DURING A COLLISION, NONE OF THE AIRBAGES DEPLOYED, CAUSING MAJOR INJURIES. *AK
POSSIBLE SIDE AIRBAGS DEPLOYED WITHOUT CAUSE, FAMILY BELIEVE THAT ONE OR BOTH SIDE AIRBAGS DEPLOYED WHILE APPROACHING THE INTERSECTION AND DISORIENTATED THE DRIVER AS WELL AS BLOCKING HER VIEW OF THE
WHILE DRIVING 30 TO 45 MPH CONSUMER HIT CONCRETE DIVIDER ON RIGHT SIDE OF VEHICLE AND FRONT END AIR BAGS DID NOT DEPLOY. CONTACT DEALER. DEALER STATED THAT VEHICLE DID NOT HIT HARD ENOUGH, AND DID
CONSUMER PASSED OUT AND VEHICLE WENT THROUGH A T INTERSECTION AND CRASHED INTO THE FRONT OF AN ABANDONED HOUSE, NEITHER AIRBAG DEPLOYED, CAUSING INJURY TO DRIVER, VEHICLE WAS TOTALED. *SLC
Showing the 5 most serious of 239 complaints filed with NHTSA.
