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TSB (Technical Service Bulletins) and Factory Recall
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Automotive Recalls and Technical Service
Bulletins (TSB) for
1990 Buick LeSabre V6-231 3.8L VIN C SFI
This is Technical Service Bulletin and
Automotive Recall Titles.
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Technical Service Bulletin Titles for 1990 Buick LeSabre V6-231 3.8L VIN C SFI
JUNE 1990 Recall - Seat Belt Comfort Feature Operation Omitted
Technical Service Bulletin Titles for 1990 Buick LeSabre V6-231 3.8L VIN C SFI
APRIL 2007 Tires - Proper Inflation Pressure Information
APRIL 2007 Body - Polypropylene Energy Absorber Replacement
APRIL 2007 Charging System - Low Voltage Display/Low/Dead Battery
APRIL 2007 Engine - Sealant Usage/procedures
APRIL 2007 A/T - Dexron®-VI(R) Fluid Availability
MARCH 2007 Instruments - Reduced PRNDL Display Visibility
MARCH 2007 SRS - Front Passenger Seat Alteration Precautions
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 Electrical - Battery Charging Tips
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
APRIL 2005 Restraints - Child Seat Top Teather Attachment Kits
FEBRUARY 2005 Restraints - Air Bag System Diagnostics
JUNE 2003 A/T - Oil Cooler Flushing Frequently Asked Questions
MARCH 2002 Engine - New Prelube Tool
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 PCM - Returned Product Feedback Program
MAY 2000 Brake Fluid - Level & Filling Recommendations
MAY 2000 EVAP System - Service of Connectors
APRIL 2000 Warranty - GM Dealer Parts Procurement
JANUARY 2000 Air Bag (SIR) On-Off Switch Kits, New Parts and Service
JANUARY 2000 Child Restraint - Auxiliary Seat Belt
JANUARY 2000 Trap Resistant Trunk Kit - Function/Installation
NOVEMBER 1999 IP Dimmer Control - Proper Setting
NOVEMBER 1999 PROM - Powertrain Control Module Reprogramming
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 Battery - Testing Equipment Explained
MARCH 1999 SIR - Operating Vehicle with Warning Light On
DECEMBER 1998 Warranty - Notice of Delayed Start Process
NOVEMBER 1998 Tools - Adjuster Locknut Wrench
NOVEMBER 1998 Tools - Power Steering Bleeder Adapter
OCTOBER 1998 Drivetrain - Recommended Axle Lubricant
OCTOBER 1998 New Windshield/Glass Urethane Adhesive Caulking Kit
AUGUST 1998 Entertainment Systems - Correct Labor Codes
AUGUST 1998 Tools - Keyless Entry Transmitter Tester
AUGUST 1998 Warranty - Parts Warranty Special Claims B and C
JULY 1998 Radio Telephone/Mobile Radio - Install/Troubleshooting
JUNE 1998 Cruise Control - (W/Electro Stepper Mtr.) Diagnostics
MAY 1998 Warranty - Request for Wholesale Authorization
MAY 1998 Warranty Inquiry System
APRIL 1998 Engine - Surface Conditioning Discs Precautions
MARCH 1998 Customer Concern Not Duplicated /Verified - Labor
MARCH 1998 Tools - Released for CS Generator Diagnosis
MARCH 1998 VIN Plate - Replacement Policy and Procedure
FEBRUARY 1998 Warranty - GM Dealer Empowerment Program
FEBRUARY 1998 Warranty - New Vehicle/Replacement Battery
JANUARY 1998 Airbags - Frontal (SIR) ON-Off Switch Kits, Parts/Procs
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
OCTOBER 1997 Warranty - Labor Time Guide Addition
AUGUST 1997 Warranty - Guidelines for Claiming Windshield Replace
AUGUST 1997 Warranty - Guidelines for I/M 240 Labor
AUGUST 1997 Warranty - Guidelines for Using E0420 Wheel Replace
MAY 1997 Windshield - Two-Part Urethane Adhesive For Installation
APRIL 1997 A/C - Tool And Equipment Maintenance
APRIL 1997 Warranty - Labor Time Guide Update
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 A/C - Retrofitting R-12 to R-134a
JANUARY 1997 Charging - Low Voltage Reading Or Dim Lights At Idle
JANUARY 1997 Compact Disc Players - CD Changer Loading Procedures
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 A/C - R12 or R134a Service Recommendations
MAY 1996 Enhanced Emission Inspection Maintenance - Equipment
APRIL 1996 Headlamp Lens - Distortion Caused by Aiming Equipment
FEBRUARY 1996 Updated Battery Replacement Catalog Numbers
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 Paint - Repair of Delamination from ELPO Primer
JUNE 1995 Piston Specifications - Revised
JUNE 1995 Vehicle - Use of a Diagnostic Worksheet
JUNE 1995 Warranty Information Network System - Stage 2
MAY 1995 Contaminated R12 Refrigerant - Testing & Handling
MAY 1995 GM Campaign Identification Label
APRIL 1995 Coolant - Information on Propylene Glycol Usage
MARCH 1995 A/T - Dexron® III Fluid Introduction
MARCH 1995 Balance Shaft - Special Tools and Procedure Revision
MARCH 1995 Tools - A/C Leak Detector Maintenance Kit Availability
FEBRUARY 1995 I/M Emissions Diagnostic Manual -Program
JANUARY 1995 A/T - 440T4/4T60 Late or No Upshift
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
DECEMBER 1994 Sunroof - Repairs
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 Engine - Tick or Rattle Noise After Cold Start Up
AUGUST 1994 Exhaust Pipe - Knocking Noise
AUGUST 1994 Parts - Expediting Procedures
AUGUST 1994 SIR DTC 24 Diagnosis
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 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
JANUARY 1994 A/T - 440T4 Coast-Down Clunk
JANUARY 1994 Brakes - Intermittent Pull Under Hard Braking
DECEMBER 1993 Steering - System Bleed Procedures
NOVEMBER 1993 Paint - Clearcoat Degradation, Chalking and Whitening
OCTOBER 1993 Fuel - How Fuel Economy Is Determined
JULY 1993 A/T - THM Late or No Upshifts
JULY 1993 Audio - Radio Frequency Interference (RFI) Diagnosis/ID
JULY 1993 Cast Aluminum Wheels - Leaking
JULY 1993 Tools - Tilt Steering Column Spring Removal
JULY 1993 Wheels - Sealing Leaking Cast Aluminum
JUNE 1993 A/T - Servicing Vehicles With Contaminated ATF
JUNE 1993 ABS Pump Motor - Replacement of Failed Component
JUNE 1993 Engine - Recycling Used Oil Filters
JUNE 1993 Fuel Pump/Strainers/Pulsators - Replacement Parts
JUNE 1993 Tools - Introduction Of The Fuel Injector Tester
JUNE 1993 Tools - New Fuel Injection Tester
MAY 1993 A/C - R134A Refrigerant Information
MAY 1993 Aluminum Wheels - Damage During Balancing
MAY 1993 Insolation Diodes - Replacement Information
APRIL 1993 A/T - 440T4 No Upshift/Wrong Gear
APRIL 1993 Tires - Slipping on Wheels
NOVEMBER 1992 A/C Compressor Shaft Nut - Removal (Discontinued)
NOVEMBER 1992 A/T - 440T4 Channel Plate Gasket Blow-Out
OCTOBER 1992 Brakes (Front) - Caliper Not Sliding Freely, Corrosion
OCTOBER 1992 Engine - Decel Stall or Long Crank on Start-Up
OCTOBER 1992 Engine - Miss, Hesitation, or Roughness
SEPTEMBER 1992 Fuel - Effect of Fuel Volatility On Driveability
AUGUST 1992 A/C - Information On the Use of Alternate Refrigerants
JULY 1992 Engine - Cold Stall/Chuggle At 35-40 MPH
JULY 1992 Fuel - Loss of Power, Hesitation On Turns
JULY 1992 Wheels (Steel) - Proper Changing Procedure
JUNE 1992 A/C - Leak Test
APRIL 1992 Wheels (Aluminum) - Coated Balance Weight Usage
MARCH 1992 A/T - 440T4 No Second Clutch Switch
MARCH 1992 A/T - Harsh 3-2 Downshifts
MARCH 1992 Engine - Oil Leak At Rear Main Bearing Cap Side Seal
MARCH 1992 Hub Assembly Seal - Squeak/Squawk Noise
FEBRUARY 1992 A/T - AXOD/E 44T4`s and 125`s Chain Stretch
FEBRUARY 1992 A/T - New Bottom Pan & Controlled Compression Gasket
FEBRUARY 1992 A/T - Service Replacement Transaxle Assembly SRTA Update
FEBRUARY 1992 Cruise Control - Intermittent Operation
DECEMBER 1991 A/T - 440T4 Harsh 3-2 Detent Downshift
DECEMBER 1991 Locks - Door Lock Cylinders Bind, Sticks
NOVEMBER 1991 A/C - New Compressor Sealing Washer
NOVEMBER 1991 A/T - How To Use A Pressure Gauge
OCTOBER 1991 A/T - New Transmission/Transaxle Fluid
OCTOBER 1991 Interior - Cleaning After Headliner Replacement
SEPTEMBER 1991 A/T - 440T4/4T60 Spacer Plate Matching
SEPTEMBER 1991 A/T - Early Upshift/No Kickdown
SEPTEMBER 1991 A/T - Evaluating Peened Spacer Plates
SEPTEMBER 1991 A/T - Revised End Play Specifications
AUGUST 1991 A/T - 440T4 No Line Pressure Rise
AUGUST 1991 A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
AUGUST 1991 Engine - Cold Start Stall and/or Chuggle
JUNE 1991 A/T - 4T60 New 1-2 and Reverse Bands
JUNE 1991 Computers/Controls - New Mem-Cal Install Procedure
JUNE 1991 Odometer - Lighting Insufficient
MAY 1991 A/C - Revised Vacuum Line Chart
MAY 1991 A/T - New Band Assemblies
APRIL 1991 A/C System - Refrigerant Loss Prevention
APRIL 1991 A/T - Diagnosing Converter Lock-Up Problems
APRIL 1991 Instrument Panel - Upper Surface Cleaning
APRIL 1991 Spark Plug - New Design
APRIL 1991 Wiper Motor - Start in High Speed Only
MARCH 1991 Battery - Dead Due to Excessive Current Draw
MARCH 1991 Cam Sensor Circuit - Revised Code 41
MARCH 1991 Power Steering - Reduced Assist At Low Temperatures
FEBRUARY 1991 Engine - Replacement Valve Spring and Cap
FEBRUARY 1991 Memory Seat - Loss of Position
JANUARY 1991 A/T - 4T60/4T60E 3rd Clutch Plate Identifier Markings
JANUARY 1991 A/T - New Thermo Element/Setting Procedure
JANUARY 1991 Disc Brakes - Service Information
JANUARY 1991 Wipers - Chattering Blades or Poor Wipeability
DECEMBER 1990 Digital Cluster - Flickers Seatbelt Telltale Flashes
DECEMBER 1990 Wheels - Clear Coat Scratch Removal
NOVEMBER 1990 Connector Terminals - Contact Checking Procedure
NOVEMBER 1990 Electrical Systems - Connector Change
NOVEMBER 1990 Engine Oil Pan - Leaks
NOVEMBER 1990 Main/Connecting Rod Bearing - Clearance Revision
OCTOBER 1990 A/T - 4T60 Slips/No 3rd Gear/No Drive/Reverse
OCTOBER 1990 A/T - Engine Vacuum Testing
OCTOBER 1990 A/T - Slipping/No Reverse/Repeat Reverse Band Distress
OCTOBER 1990 A/T - THM 440T4/4T60E New Clutch Plates
OCTOBER 1990 Campaign - Paint Flaking or Chipping
OCTOBER 1990 Cooling Fan - Relay Contact Sticking, Continuous Run On
OCTOBER 1990 Emissions Testing Vehicle Preconditioning
OCTOBER 1990 Fuel System - Recommended Fuels
SEPTEMBER 1990 Antenna Bezel Nut - Tool Applications
SEPTEMBER 1990 Engine - Miss Above 3500 RPM Diagnosis
SEPTEMBER 1990 MAP - Revised Chart C-1D, DTC`s 33, 34, 63, 64
AUGUST 1990 Headlamp - Erratic Operation
JULY 1990 A/T - 4T60 Oil Pan Bolt Leaks
JULY 1990 Aluminum Wheel - Coated Wheel Weights
JULY 1990 Tools - On-Vehicle Brake Lathe Cutting Tips
JUNE 1990 A/C - Updated Diagnosing Insufficient Cooling Chart-A
JUNE 1990 A/T - Harsh Shift, Double Bump, or Shudder
JUNE 1990 A/T - New Channel Plate/Input Housing Model Codes
JUNE 1990 Accessories (Aftermarket) - Installation Guidelines
JUNE 1990 Engine - Rattle Noise Between Idle and 1500 RPM
MAY 1990 A/C - Lack of Sensor Temperature Control
MAY 1990 A/T - 1-2 Slip or Shudder, 2nd Gear Slip, or No 2nd Gear
MAY 1990 Cooling Fan - Diagnosis for Running Battery Dead
MAY 1990 Reconstituted Antifreeze - Coolant Testing
APRIL 1990 A/T - Drive Link Wear Specification Revised
APRIL 1990 A/T - Harsh Shift Conditions
APRIL 1990 A/T - Intermittent Delayed Upshifts
APRIL 1990 A/T - New 1-2 Band Assembly Does Not Require Stop
APRIL 1990 A/T - Revised Bearing and Clutch (Increases Lubrication)
APRIL 1990 Automatic Safety Belts Tension Relief Device - Operation
APRIL 1990 Battery - Revised Ammeter Connecting (Parasitic Drain)
APRIL 1990 MIL ON, Intermittent TCC, DTC 62/26 Set
APRIL 1990 Power Door Lock - Will Not Lock or Unlock
APRIL 1990 Safety Belt Retractor - Revision to Solenoid Timer Test
MARCH 1990 A/C Line Clamp Bolt - Torque Specifications Update
MARCH 1990 ABS - Proportioner Valve R&R Update
MARCH 1990 Oil Filter (75 mm) - Proper Installation
FEBRUARY 1990 A/T - 440T4/4T60 Model Code Information
FEBRUARY 1990 A/T - 4TH Clutch Assembly Part Numbers Revised
FEBRUARY 1990 A/T - Choosing the Right ATF
FEBRUARY 1990 A/T - Service on Distressed 4TH Clutch
FEBRUARY 1990 Climate Control - Blows Cold Air During Extended Idle
FEBRUARY 1990 Engine - Extended Crank Cold, Starts After Key is Cycled
FEBRUARY 1990 Instrument Clusters - Exchange/Repair Program
FEBRUARY 1990 Memory Seat Control Module - May Lock Up
FEBRUARY 1990 Sunroof - Failure
JANUARY 1990 A/T - Revised Pressure Switches and Wiring Harnesses
JANUARY 1990 Wheel Alignment - Specifications
DECEMBER 1989 A/C - Odors at Start Up in Hot Humid Climates
DECEMBER 1989 A/T - Revised Driven Sprocket Support and Chain Scoop
DECEMBER 1989 Tilt Steering Wheel - Revised Art for Figure 33
NOVEMBER 1989 A/T - 4T60 440-T4 ME9 New Parking Lock System
NOVEMBER 1989 A/T - Parking Lock System For Heavier Vehicles
NOVEMBER 1989 A/T - Slips in Reverse/No Reverse
NOVEMBER 1989 ABS - Electrical Diagnostic Test Information Revised
NOVEMBER 1989 Automatic Safety Belts/Child Seat - Installation
NOVEMBER 1989 Carpet Inserts - Loose
NOVEMBER 1989 Cylinder Head - Revised Bolt Torque Update
NOVEMBER 1989 Exhaust Manifold, Right Side - Removal Revised
OCTOBER 1989 A/T - Math Part II
OCTOBER 1989 A/T - Revised Direct Clutch Housing
OCTOBER 1989 Brakes - Squealing Noise
OCTOBER 1989 Head Restraint - Rattling Sound
OCTOBER 1989 Seat Belt Comfort Feature - Availability
SEPTEMBER 1989 Engine - Rap Noise During Warm-Up
SEPTEMBER 1989 A/T - Twenty Steps To Successful Repairs
SEPTEMBER 1989 Cooling System - Reconstituted Antifreeze
SEPTEMBER 1989 Suspension, Rear - Thump, Clunk, or Pop Noise
AUGUST 1989 A/T - Math Formulas Part I
AUGUST 1989 A/T - New Reverse Band Apply Pin Gage
AUGUST 1989 Brakes - Lining Early Production Release ABS Model Only
JULY 1989 A/T - New I.D. Codes & New Overhaul Packages
JANUARY 1989 Engine Coolant - Substitutes Not Recommended
NOVEMBER 1988 Battery - Diagnosis and Charging
JUNE 1988 A/T - 440T4 Plastic Oil Lube Dam
SEPTEMBER 1987 A/T - Front Bushing Wear
AUGUST 1987 A/T - Slipping or No-Shift/Metal Sealing Rings
MAY 1987 A/T - 125C, 440T4 No Upshift
MARCH 1986 A/T - Converter Clutch Shudder
JANUARY 1985 A/T - No Converter Clutch Apply When Unit Is Hot
FEBRUARY 1981 Oxygen Sensors - Silica Contamination
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