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TSB (Technical Service Bulletins) and Factory Recall
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Automotive Recalls and Technical Service
Bulletins (TSB) for
1987 Oldsmobile Firenza L4-121 2.0L VIN 1 TBI
This is Technical Service Bulletin and
Automotive Recall Titles.
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Technical Service Bulletin Titles for 1987 Oldsmobile Firenza L4-121 2.0L VIN 1 TBI
DECEMBER 1987 Recall - Fuel Return/Feed Hose Replacement
SEPTEMBER 1986 Recall - Parking Brake Lever Replacement
Technical Service Bulletin Titles for 1987 Oldsmobile Firenza L4-121 2.0L VIN 1 TBI
MAY 1989 Campaign - Temporary Reduction In P/S Assist
Technical Service Bulletin Titles for 1987 Oldsmobile Firenza L4-121 2.0L VIN 1 TBI
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 Cylinder Head - Flatness Specification
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 Leather Seat Covers - Cleaning Procedure
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
MAY 1994 Webasto Sunroof System - Information Hotline
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
NOVEMBER 1990 Tools - Use of Tech 1 ECM Cartridge and Procedure
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 Engine Control - Revised TPS Specifications
MAY 1990 Exhaust - Manifold Seal Squeak
MAY 1990 M/T - Gearshift Problems (New Shifter Boot)
MAY 1990 Suspension - Squeak Noise From Rear of Vehicle
APRIL 1990 Crank Sensor - Revised Output Voltage
APRIL 1990 Engine Control - Driveability/Codes 23, 25, 33, 34
APRIL 1990 M/T - High Clutch Pedal & Shift Effort or Gear Clash
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 Brakes - Noise From Instrument Panel Noise During Apply
FEBRUARY 1990 Exhaust System - Moan or Boom At 1900 RPM and 2400 RPM
FEBRUARY 1990 Parking Brake - Revised Adjustment
FEBRUARY 1990 Windows - Revised Back Glass Proving A Better Fit
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
SEPTEMBER 1989 Engine - Cold Engine Knock Upon Initial Vehicle Start-Up
AUGUST 1989 A/T - Math Formulas Part I
AUGUST 1989 Charging - CS Series Generator Terminal Identification
AUGUST 1989 Engine Controls - Failure to Run When Cold/Hesitation
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
DECEMBER 1988 A/T - THM 125C Model Code Information
DECEMBER 1988 Brakes - Shudder or Pedal Pulsation
DECEMBER 1988 Highway Chuggle and Spark Knock Concerns
DECEMBER 1988 M/T - Diagnostic Charts
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 Drivetrain - Updated Drive Axle Removal Procedure
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
JULY 1988 Headliner - Sagging Repair Procedure
JUNE 1988 A/C - Leaks onto Carpet (Evaporator Drain Hose)
JUNE 1988 Instruments - Rattle or Buzz Noise From Center Area
JUNE 1988 M/T - Fluid Usage (Cold Weather Shift Effort)
MAY 1988 Electrical - Service Manual Update
MAY 1988 Engine - Update Piston-to-Bore Clearances
MAY 1988 M/T - Hard or No Shift Caused By Loose Shift Lever Nut
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
MARCH 1988 A/T - THM 125C Auxiliary Valve Body
MARCH 1988 M/T - Proper Fluid
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
JANUARY 1988 A/T - Stalls While Engaging Reverse or Drive Gear
NOVEMBER 1987 A/C - Delayed Cooling After Engine Start Up
NOVEMBER 1987 A/T - 125/125C TCC Engagement in Drive, First & Reverse
NOVEMBER 1987 Brakes - Revised Brake Pads Decrease Brake Pedal Effort
NOVEMBER 1987 M/T - HM-282 Exchange Program
OCTOBER 1987 Rear Engine Lift/Coil Mounting Bracket - Breakage
OCTOBER 1987 A/T - THM 125C Harsh 1-2 Shift
OCTOBER 1987 Air Conditioning Hose - Abrasion/Wear
SEPTEMBER 1987 A/T - Front Bushing Wear
SEPTEMBER 1987 Catalytic Converter - Odor
AUGUST 1987 A/T - Proper Fluid Checking
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
JUNE 1987 Locking Wire Wheel Covers - Component Inspection
JUNE 1987 Tire Company - Warranty Assistance Programs
MAY 1987 A/T - 125/125C Repeated Pump Rotor Spline Failure
MAY 1987 A/T - 125C New Features for 1987
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
APRIL 1987 A/T - 125C Release of New Design LO-Reverse Pipe Seal
MARCH 1987 A/T - Converter Clutch Solenoid Fluid Source I.D.
FEBRUARY 1987 A/T - 125/125C No Movement Any Direction
FEBRUARY 1987 Steering - Alignment Specifications
JANUARY 1987 A/T - Noise Diagnosis Update
JANUARY 1987 Generator - Reassembly of Slip Ring End Frame
DECEMBER 1986 A/T - THM Control Valve Assembly Cleaning/Servicing
NOVEMBER 1986 Vinyl Trim and Vinyl Top - Repair Information
OCTOBER 1986 Glove Compartment - Customer Information Missing
OCTOBER 1986 Maintenance - Schedules
OCTOBER 1986 Vehicle Identification Number - Format Changes
SEPTEMBER 1986 A/T - Service Manual Procedure Update
SEPTEMBER 1986 Paint - Codes/Cross References
JULY 1986 A/T - Pressure Tap Locations
MAY 1986 A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
APRIL 1986 A/T - 125/200/200 4R/325 4L Late or No Upshift
MARCH 1986 A/T - Converter Clutch Shudder
FEBRUARY 1986 A/T - Governor Pressure Switches
JANUARY 1986 A/T - Rapid Converter Pump Bushing Wear
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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