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Automotive Recalls and Technical Service Bulletins (TSB) for
1986 Oldsmobile Firenza L4-112 1.8L

This is Technical Service Bulletin and Automotive Recall Titles. The leading source for online automotive repair information is a single vehicle access of this same information including all the diagrams, repair information, and detailed technical service bulletins/recalls for your 1986 Oldsmobile.

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Technical Service Bulletin Titles for 1986 Oldsmobile Firenza L4-112 1.8L
MAY              1989 Campaign - Temporary Reduction In P/S Assist
JUNE             1986 Campaign - Incorrect Right Rear Tail Lamp Assembly

Technical Service Bulletin Titles for 1986 Oldsmobile Firenza L4-112 1.8L
APRIL            2007 Tires - Proper Inflation Pressure Information
APRIL            2007 Body - Polypropylene Energy Absorber Replacement
APRIL            2007 Engine - Sealant Usage/procedures
APRIL            2007 A/T - Dexron®-VI(R) Fluid Availability
MARCH         2007 Instruments - Reduced PRNDL Display Visibility
FEBRUARY   2007 Wheels/Tires - `Upsized` Wheel & Tire Information
FEBRUARY   2007 Engine, A/T - Shift/Driveability Concerns/MIL ON
JANUARY      2007 Locks - Key Code Securtiy Rules & Information
JANUARY      2007 Body - Hem Flange Repair
JANUARY      2007 Tires - Radial Force Variation (RFV) Information
JANUARY      2007 A/T - Grinding/Growling In PARK On An Incline
DECEMBER   2006 Restraints - Availability of Seat Belt Extenders
NOVEMBER   2006 Warranty - Claims Submission
NOVEMBER   2006 Engine - Unnecessary Flushing Services
NOVEMBER   2006 Fuel System - TOP TIER Detergent Gasoline
NOVEMBER   2006 Fuel System - TOP TIER Detergent Gasoline Usage
NOVEMBER   2006 M/T - Hydraulic Clutch Bleeding Procedure Improvement
OCTOBER      2006 Body - Metal Panel Adhesive Bonding Information
OCTOBER      2006 Interior - Eliminating Unwanted Odors
OCTOBER      2006 Tires - Tread Puncture Repair Procedures
SEPTEMBER 2006 Wheel Alignment - Recommendations/Requirements
SEPTEMBER 2006 Wheels - Pitting/Brake Dust On Chrome Wheels
SEPTEMBER 2006 Fuel System - GM Fuel System Treatment Plus(R)
SEPTEMBER 2006 Body - Distortion On Outer Glass Surfaces
SEPTEMBER 2006 Wheels - Changing Procedures/Precautions
AUGUST        2006 M/T - Normal Operating Characteristics
AUGUST        2006 Tires - Original Equipment Tire Characteristics
AUGUST        2006 Cooling System - Coolant Recycling Information
AUGUST        2006 Wheels Chrome Wheel Chemical Staining/Pitting/Corrosion
JULY             2006 Fuel System - E85 Fuel Usage Information
JUNE             2006 Windshield Wipers - Performance/Cleaning and Maintenance
JUNE             2006 Wheels - Aluminum Wheel Refinishing Recommendations
JUNE             2006 A/T - Dexron®(R) VI Fluid Availability
JUNE             2006 A/T - Clunk When Shifting From PARK/DRIVE/REVERSE
MAY              2006 Electrical - Instrument Panel & General Wiring Repair
APRIL            2006 Audio System - Portable Audio Equipment Noise
APRIL            2006 Wheels/Tires - Slow Leaks From Aluminum Wheels
MARCH         2006 Body - Urethane Adhesives for Glass Applications
MARCH         2006 Tires/Wheels - Wheel Weight Usage Precautions
FEBRUARY   2006 A/T - Fluid Cooler Flushing
JANUARY      2006 Engine - Surface Conditioning Disc Usage Prohibition
JANUARY      2006 Fuel System - Fuel Injector Maintenance Cleaning
DECEMBER   2005 Tires/Wheels - Nitrogen Gas Usage for Filling Tires
OCTOBER      2001 A/T - Core Return Product Feedback Form
MAY              2001 Key/Key Number/Security Chip - Replacement
NOVEMBER   2000 Suspension - Chassis Lubrication Importance
JUNE             2000 ACDelco(R) Remanufactured Transmissions - Program Update
MAY              2000 Brake Fluid - Level & Filling Recommendations
MAY              2000 EVAP System - Service of Connectors
APRIL            2000 Rear Drum Brakes - Sticking/Won`t Release
APRIL            2000 Warranty - GM Dealer Parts Procurement
JANUARY      2000 Child Restraint - Auxiliary Seat Belt
JANUARY      2000 Lap/Shoulder Belts - Dealer Installed Rear Kits
NOVEMBER   1999 IP Dimmer Control - Proper Setting
OCTOBER      1999 Cooling - Radiator Repair/Replacement Guidelines
SEPTEMBER 1999 Engine - AC Delco Remanufactured Engines
JUNE             1999 Warranty - OE Chrome Plated Aluminum Wheel ID
APRIL            1999 Instrument Panel - Upper Surface Reflection
MARCH         1999 Battery - Insulator Replacement & Caution
MARCH         1999 SIR - Operating Vehicle with Warning Light On
DECEMBER   1998 Warranty - Notice of Delayed Start Process
AUGUST        1998 Warranty - Parts Warranty Special Claims B and C
MAY              1998 Warranty - Request for Wholesale Authorization
APRIL            1998 Engine - Surface Conditioning Discs Precautions
MARCH         1998 VIN Plate - Replacement Policy and Procedure
FEBRUARY   1998 Warranty - GM Dealer Empowerment Program
FEBRUARY   1998 Warranty - New Vehicle/Replacement Battery
JANUARY      1998 Brakes - Rotor & Hub Flange Cleaning Tool Revision
JANUARY      1998 Suspension - Shock Absorber/Strut Replacement Guidlines
JANUARY      1998 Warranty - Enhanced Sublet Repair Policy
JANUARY      1998 Warranty - Repair/Replace Policies & Procedures
DECEMBER   1997 Engines - ACDelco Remanufactured
DECEMBER   1997 Parts Expediting - Reimbursement Policy
DECEMBER   1997 Warranty - Rail Dust Removal & Chemical Spotting Labor
NOVEMBER   1997 A/C - PureGuard 2 Operating Alert
NOVEMBER   1997 Labor - Revised Operation Z1241/Personal Property Damage
AUGUST        1997 A/T & M/T - AC Delco Remanufactured Transmissions
MAY              1997 Windshield - Two-Part Urethane Adhesive For Installation
APRIL            1997 A/C - Tool And Equipment Maintenance
APRIL            1997 Warranty - Required Claim Submission Procedures
FEBRUARY   1997 A/C - Systems With R12 Or R134a Service Issue
FEBRUARY   1997 Body - Sealer Tape For Collision Repairs
JANUARY      1997 Warranty - Repair and Claims Procedures
DECEMBER   1996 Warranty - Claim Processing
NOVEMBER   1996 A/C Compressor Seal Washer - Reference Chart
NOVEMBER   1996 Key Code - Information
SEPTEMBER 1996 Odometer/Speedometer - ACDelco Service Center Locations
SEPTEMBER 1996 Warranty - Corporate Parts Return Program Instructions
JUNE             1996 Warranty - Goodwrench® Service Lifetime Service Guarantee
MAY              1996 Enhanced Emission Inspection Maintenance - Equipment
APRIL            1996 Headlamp Lens - Distortion Caused by Aiming Equipment
JANUARY      1996 A/T - Harsh Forward Engagement
JANUARY      1996 Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
DECEMBER   1995 Enhanced Emission I/M - Program Update
OCTOBER      1995 Daytime Running Lamp - Retrofit Kits
JULY             1995 Vehicle - AC Delco Locator Service, Electronics Exchange
JUNE             1995 Fuel - Reformulated/Oxygenated Gasolines
JUNE             1995 Vehicle - Use of a Diagnostic Worksheet
JUNE             1995 Warranty Information Network System - Stage 2
MAY              1995 Contaminated R12 Refrigerant - Testing & Handling
APRIL            1995 Coolant - Information on Propylene Glycol Usage
MARCH         1995 A/T - Dexron® III Fluid Introduction
MARCH         1995 Tools - A/C Leak Detector Maintenance Kit Availability
FEBRUARY   1995 I/M Emissions Diagnostic Manual -Program
JANUARY      1995 A/T - Drive Axle and Wheel Lug Nut Torque Specifications
JANUARY      1995 I/M 240 Program - Equipment Purchase
JANUARY      1995 Warranty - Claims Processing
DECEMBER   1994 Brakes, Front - Pulsation Diagnosis, Correction, Repair
DECEMBER   1994 Enhanced IM240 Program - Implementation Plan
NOVEMBER   1994 Glass - Adhesive Caulking Kit Revisions
OCTOBER      1994 I/M 240 Repairs - Obtaining Technical Assistance
OCTOBER      1994 PROM/MEMCAL - Identification Marks
SEPTEMBER 1994 A/C Refrigerant - Contamination
SEPTEMBER 1994 Campaign - Product Bulletin Numbering System
AUGUST        1994 Parts - Expediting Procedures
JULY             1994 Electrical - New Nickel Tape Shields Harnesses
JULY             1994 Tires - Speed Rated Information
JULY             1994 Warranty - Corporate Parts Return Program
APRIL            1994 Emission - Enhanced Inspection Maintenance Programs
MARCH         1994 A/T - Transaxle Oil Filter Differences
MARCH         1994 P/S - Reduced Assist When Cold
FEBRUARY   1994 Anti-Lock Brake - Aftermarket Products Usage Precaution
FEBRUARY   1994 Warranty - Recycled Engine Coolant Policy
JANUARY      1994 A/C - Retrofitting R-12 Vehicles to R-134A
DECEMBER   1993 Steering - System Bleed Procedures
OCTOBER      1993 Fuel - How Fuel Economy Is Determined
JULY             1993 A/T - THM Late or No Upshifts
JULY             1993 Wheels - Sealing Leaking Cast Aluminum
JUNE             1993 Tools - Introduction Of The Fuel Injector Tester
MARCH         1993 Door Lock Cylinder - Binds, Sticks
FEBRUARY   1993 Trunk - New Tool to Assist In Repairs
OCTOBER      1992 Engine - Miss, Hesitation, or Roughness
SEPTEMBER 1992 A/C - Use of Alternate Refrigerants Other Than R-12
JULY             1992 A/T - 125/440 T4 Sprocket and Final Drive Identification
JUNE             1992 A/C - Leak Test
APRIL            1992 A/T - Harsh 3-2 Downshifts, Diagnosis & Repair
APRIL            1992 Wheels (Aluminum) - Balance Weight Usage
FEBRUARY   1992 A/T - AXOD/E 44T4`s and 125`s Chain Stretch
JANUARY      1992 A/T - New Bottom Pan and Controlled Compression Gasket
DECEMBER   1991 Alignment - Lead/Pull, Torque/Memory Steer
NOVEMBER   1991 A/T - How To Use A Pressure Gauge
NOVEMBER   1991 Front Suspension/Underhood - Noise Concerns
NOVEMBER   1991 Paint - Industrial Fallout/Rail Dust
SEPTEMBER 1991 A/T - Revised End Play Specification
AUGUST        1991 ECM/PCM - Damaged or Mis-Diagnosed
JUNE             1991 ECM/PCM - Damage Prevention
MAY              1991 A/T - 125C Uncontrolled Lock-Up, Kills Engine At Stop
APRIL            1991 A/T - Diagnosing Converter Lock-Up Problems
MARCH         1991 Power Steering - Reduced Assist at Low Temperatures
FEBRUARY   1991 Windshield Wiper - Blade Chatter
DECEMBER   1990 Brakes - Rotor Refinishing Recommendations
OCTOBER      1990 A/T - Engine Vacuum Testing
OCTOBER      1990 A/T - Revised 4TH Clutch Reaction Plates
SEPTEMBER 1990 A/T - 3T40 New Side Cover and Bottom Pan Gasket
SEPTEMBER 1990 A/T - Torque Converter Identification
AUGUST        1990 A/T - Service Replacement Model Update
AUGUST        1990 Wheels, Aluminum - Scratch Removal
JULY             1990 Aluminum Wheels - Coated Wheel Weights
JUNE             1990 Paint - Chemical Etching Information
MAY              1990 Dash Pad - Warping
MAY              1990 M/T - Gearshift Problems (New Shifter Boot)
MAY              1990 Suspension - Squeak Noise From Rear of Vehicle
APRIL            1990 MAP - Revised Output Chart for Codes 33, 34, 63, and 64
MARCH         1990 Seat Back, Front - Rattle, Popping, Seat Chucking
FEBRUARY   1990 A/T - Choosing the Right ATF
FEBRUARY   1990 Exhaust System - Moan or Boom At 1900 RPM and 2400 RPM
NOVEMBER   1989 A/T - Revised Forward Clutch Piston Seals
OCTOBER      1989 A/T - Math Part II
SEPTEMBER 1989 A/C - CFC Reduction and Refrigerant Recovery/Recycling
SEPTEMBER 1989 A/T - Twenty Steps To Successful Repairs
SEPTEMBER 1989 ECM - Packard 32 Way Connector ID
AUGUST        1989 A/T - Math Formulas Part I
JUNE             1989 A/T - 3T40/THM 125C Intermittent or No TCC Apply
JUNE             1989 A/T - Updated R&R Pinion Gear Washers & Sun Gear
JUNE             1989 Paint - Chipping Diagnosis & Repair
MAY              1989 P/S - Temporary Reduction of Assist When Cold
APRIL            1989 A/T - Inoperative Lo-Reverse Clutch Diagnosis
APRIL            1989 P/S - Rack & Pinion Gear Parts/Service Information
MARCH         1989 Audio - Poor AM or FM Radio Reception, Antenna Coaxial
FEBRUARY   1989 A/T - 3T40/THM 125C Forward Drum Design Changes
FEBRUARY   1989 Battery - Charging Precautions
FEBRUARY   1989 Drivetrain - New Seal Protector for Drive Axle R&R
FEBRUARY   1989 M/T - Shift Lever Rattle/Buzz Noise In 3rd or 4th Gears
JANUARY      1989 Brakes - Longer Pedal Travel
DECEMBER   1988 A/T - THM 125C Model Code Information
DECEMBER   1988 Brakes - Shudder or Pedal Pulsation
NOVEMBER   1988 A/T - THM 125C Sticking TCC Solenoids
NOVEMBER   1988 Battery - Diagnosis and Charging
NOVEMBER   1988 Interior Door Panel - Corrosion/Wear
NOVEMBER   1988 Steering - Identifying Torque Steer
NOVEMBER   1988 Tailgate - Power Lock Inoperative
OCTOBER      1988 A/C - Inoperative
OCTOBER      1988 Interior - Noise, P/S Cylinder Line Contacting HVAC Case
JULY             1988 A/C - Cold Air Leaking On Passenger Foot Area
JULY             1988 A/T - Sprag Rotation
JULY             1988 A/T - THM Steel Clutch Piston Inspection
JULY             1988 Engine - Stalls on Drive/Reverse Engagement
JUNE             1988 A/C - Leaks onto Carpet (Evaporator Drain Hose)
JUNE             1988 M/T - Fluid Usage (Cold Weather Shift Effort)
MAY              1988 Engine - Update Piston-to-Bore Clearances
APRIL            1988 A/T - THM 125C Manual Valve Change/Improved Shift Feel
APRIL            1988 Steering - Center-Takeoff Service Procedure
MARCH         1988 A/T - Delayed Neutral to Drive Engagement
MARCH         1988 A/T - New Input Carrier Thrust Washers
MARCH         1988 A/T - No Upshift/Governor Contamination
FEBRUARY   1988 A/C - Neoprene O-Ring Usage Chart
FEBRUARY   1988 A/T - Checking Pressure Switches For Leaks
FEBRUARY   1988 Sunroof - Water Leaks
JANUARY      1988 A/T - 125C Case Differences
NOVEMBER   1987 A/C - Delayed Cooling After Engine Start Up
NOVEMBER   1987 A/T - 125/125C TCC Engagement in Drive, First & Reverse
OCTOBER      1987 A/T - Service Replacement
SEPTEMBER 1987 A/T - Front Bushing Wear
AUGUST        1987 A/T - Slipping or No-Shift/Metal Sealing Rings
JULY             1987 A/T - 125/125C Delayed Reverse Or Slips In Reverse
JUNE             1987 A/T - Methods to Check for Restricted Exhaust
MAY              1987 A/T - 125/125C Repeated Pump Rotor Spline Failure
MAY              1987 A/T - 125C, 440T4 No Upshift
MAY              1987 A/T - THM 125C New Forward Clutch Assembly
APRIL            1987 A/T - 125/125C Input Drum Contacting Center Support
MARCH         1987 A/T - Converter Clutch Solenoid Fluid Source I.D.
FEBRUARY   1987 A/T - 125/125C No Movement Any Direction
FEBRUARY   1987 Steering Rack and Pinion Short Gear - Replacement
JANUARY      1987 A/T - 125C Harsh 1-2 Shift Under Hot/Medium Acceleration
JANUARY      1987 Generator - Reassembly of Slip Ring End Frame
DECEMBER   1986 A/T - 125/125C No Second Gear After Rebuild
DECEMBER   1986 A/T - THM Control Valve Assembly Cleaning/Servicing
DECEMBER   1986 A/T - THM Identification Code Definitions
NOVEMBER   1986 A/T - 125C Engine Dies In Gear
OCTOBER      1986 A/T - 125C Shifts 1-3 (Skips 2nd)
OCTOBER      1986 ECM - Integrator/Block Learn Information and Operation
SEPTEMBER 1986 A/T - 125/125 C Intermediate Band Adjustment
SEPTEMBER 1986 A/T - 125/125C ATF Leaking Past Front Seal
SEPTEMBER 1986 A/T - 125/125C Car Creeps Forward After Overhaul
SEPTEMBER 1986 Oil Pump Rotor and Slide - Updated Service Part Numbers
SEPTEMBER 1986 Sunroof (Vista Vent) - Revised Hinges
AUGUST        1986 M/T Shift Lever - Rattle or Buzz Noise in 4TH Gear
JULY             1986 A/T - 125/125C No Upshift - Governor Pipe Dislodged
JULY             1986 A/T - 125C Throttle Valve Buzz
JULY             1986 A/T - Pressure Tap Locations
JULY             1986 Aluminum Wheels - Clear Coating
JULY             1986 Fuel/Water Gauges - Intermittent or Inoperative
JUNE             1986 A/T - 125C TCC Will Not Release After Warm-Up
MAY              1986 A/C - Compressor Return Program
MAY              1986 A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
MAY              1986 Delco Generator - Exchange Program
APRIL            1986 A/T - 125/125C Improved Transmission Gaskets
APRIL            1986 A/T - 125/200/200 4R/325 4L Late or No Upshift
APRIL            1986 A/T - THM 125 No Second/Third Gear After Overhaul
APRIL            1986 Engine Timing Belt - Adjustment
APRIL            1986 Radio Telephone/Mobile Radio - Installation Guidelines
MARCH         1986 A/T - 125/125C Forward Drum Cautions
MARCH         1986 A/T - 125/125C Slipping in All Ranges
MARCH         1986 A/T - All Control Valve Assemblies Cleaning/Servicing
MARCH         1986 A/T - Converter Clutch Shudder
MARCH         1986 Fuel Injectors - Remanufactured for TBI Systems
MARCH         1986 Stabilizer Bar Insulator Bushing - Squawk
FEBRUARY   1986 A/T - Governor Pressure Switches
FEBRUARY   1986 A/T Identification - Understanding Meaning and Location
FEBRUARY   1986 A/T Oil Pan Valve Body Cover - Leaks
JANUARY      1986 A/T - 125/126C No Second Gear Or Slipping After Rebuild
JANUARY      1986 A/T - Rapid Converter Pump Bushing Wear
JANUARY      1986 Tire - Irregular Wear
DECEMBER   1985 Body - Automatic Car Wash Induced Water Entry
NOVEMBER   1985 Vehicle - New Warranty and Owner Assistance Booklets
SEPTEMBER 1985 Paint - Part Information
AUGUST        1985 Mechanical Speedometer - Warranty Repair Information
JANUARY      1985 A/T - 125/125C/440-T4 Identifying Final Drive Ratios
JANUARY      1985 A/T - No Converter Clutch Apply When Unit Is Hot
FEBRUARY   1981 Oxygen Sensors - Silica Contamination


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