1995 Oldsmobile 88 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
- Royale LS Sedan 4-Door
- Royale Sedan 4-Door
- Royale LSS Sedan 4-Door
Engines covered
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged
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
A SPRING IN THE HEAD LAMP PORTION OF THE HEAD PARK LAMP SWITCH CAN FAIL PREVENTING LATCHING OF THE HEAD LAMP PORTION OF THE SWITCH IN THE "ON" POSITION.
THE HEAD LAMPS WOULD NOT STAY ILLUMINATED RESULTING IN REDUCED DRIVER VISIBILITY.
DEALERS WILL INSPECT HEAD/PARK LAMP SWITCH BUILD DATE CODES AND REPLACE SWITCHES WITH SUSPECT DATE C
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION. *TT
NEW UPPER INTAKE MANIFOLD AND GASKET KITS. *TT
SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK. *TT
EXPERIENCING EXCESSIVE ENGINE COOLANT CONSUMPTION, OR AN ENGINE COOLANT LEAK NEAR OR UNDER THE THROTTLE BODY AREA OF THE UPPER INTAKE MANIFOLD. *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
Showing the 8 most recent of 43 technical service bulletins on file with NHTSA.
I PURCHASED A 1995 OLDSMOBILE DELTA 88 ROYALE LSS 4D SEDAN 6CY/3800 SERIES 2. AT SEVEN SEAS AUTO 118 MAPLE ST. MANCHESTER NH,03103. PAID 1,500 CAME WITH A 20-DAY PLATE AND A STATE INSPECTION. NOW THE
I PURCHASED A 1995 OLDSMOBILE DELTA 88 ROYALE LSS 4D SEDAN 6CY/3800 SERIES 2. AT SEVEN SEAS AUTO 118 MAPLE ST. MANCHESTER NH,03103. PAID 1,500 CAME WITH A 20-DAY PLATE AND A STATE INSPECTION. NOW THE
I PURCHASED A 1995 OLDSMOBILE DELTA 88 ROYALE LSS 4D SEDAN 6CY/3800 SERIES 2. AT SEVEN SEAS AUTO 118 MAPLE ST. MANCHESTER NH,03103. PAID 1,500 CAME WITH A 20-DAY PLATE AND A STATE INSPECTION. NOW THE
I PURCHASED A 1995 OLDSMOBILE DELTA 88 ROYALE LSS 4D SEDAN 6CY/3800 SERIES 2. AT SEVEN SEAS AUTO 118 MAPLE ST. MANCHESTER NH,03103. PAID 1,500 CAME WITH A 20-DAY PLATE AND A STATE INSPECTION. NOW THE
I PURCHASED A 1995 OLDSMOBILE DELTA 88 ROYALE LSS 4D SEDAN 6CY/3800 SERIES 2. AT SEVEN SEAS AUTO 118 MAPLE ST. MANCHESTER NH,03103. PAID 1,500 CAME WITH A 20-DAY PLATE AND A STATE INSPECTION. NOW THE
Showing the 5 most serious of 150 complaints filed with NHTSA.
