1988 Oldsmobile Cutlass Supreme Service and Repair Manual

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Factory-Grade Data

1988 Oldsmobile Cutlass Supreme 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

  • Classic Brougham Coupe 2-Door
  • SL Coupe 2-Door
  • Classic Coupe 2-Door
  • Indy 500 Pace Car Convertible 2-Door
  • Base Coupe 2-Door
  • International Coupe 2-Door

Engines covered

  • 5.0L 307Cu. In. V8 GAS OHV Naturally Aspirated
  • 2.8L 173Cu. In. V6 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

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Vehicle Safety Data

1988 Oldsmobile Cutlass Supreme Recalls & Complaints

NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

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

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

NHTSA #00V18900011/07/2000Component: STRUCTURE

VEHICLE DESCRIPTION: PASSENGER VEHICLES ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA,

Consequence

IF BOTH BOLTS PULL THROUGH, THE FRONT OF THE CRADLE WOULD NO LONGER BE SUPPORTED AT THE MOUNTING LOC

Remedy

DEALERS WILL REPLACE THE FRONT AND REAR FRAME/CRADLE BOLTS AND RETAINERS.

TSB #6088680

CUSTOMERS MAY COMPLAIN OF GRINDING / SCRAPING / GROANING NOISE FROM REAR SUSPENSION. *TT

20010327Component: SUSPENSION:REARCrash reported1 injured

THE SHOCKS AND STRUTS "FELL OFF" THEREFOR CAUSING A FLIP OVER WHEN THE BACK RIGHT TIRE BLEW. THE TIRE BLEW BECAUSE THE SHOCKS AND STRUTS WERE RUBBING AGAINST THE TIRES, THEREFOR, EXPOSING THE THREADS.

20030812Component: SUSPENSIONCrash reported

WHEN MAKING SUDDEN STOPS VEHICLE SWERVED INTO THE PASSING LANE. VEHICLE WAS INVOLVED IN A COLLISION IN 1996. *AK

20011025Component: STRUCTURECrash reported

IDENTICAL FAILURE AS DESCRIBED ON NHTSA CAMPAIGN ID 00V189000/ CRADLE BOLTS. HOWEVER, THIS CAMPAIGN IS LIMITED TO NORTHERN TIER OF STATES "WHERE ROAD SALT USE IS HEAVY." MY VEHICLE HAS NEVER BEEN IN A

20070307Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

TL* THE CONTACT OWNS A 1988 OLDSMOBILE CUTLASS SUPREME. WHILE DRIVING 45 MPH,THE CONTACT HEARD A SQUEALING NOISE AND HAD TO APPLY ADDITIONAL PRESSURE TO THE GAS PEDAL TO INCREASE THE SPEED. THE

20040115Component: UNKNOWN OR OTHER

THE PAINT STARTED PEELING ON THE HOOD AFTER I WASHED MY CAR AND IT STARTED PEELING ON THE DRIVER DOOR FRAME. THE PAINT LIFTED AWAY FROM THE PRIMER COAT. TALKED TO DEALER AND THE 800 NUMBER THAT WAS

Showing the 5 most serious of 25 complaints filed with NHTSA.

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