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TSB (Technical Service Bulletins) and Factory Recall
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Automotive Recalls and Technical Service
Bulletins (TSB) for
1991 Buick Riviera V6-231 3.8L VIN L SFI
This is Technical Service Bulletin and
Automotive Recall Titles.
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Technical Service Bulletin Titles for 1991 Buick Riviera V6-231 3.8L VIN L SFI
JUNE 1995 Recall - Front Shoulder Belt Campaign
Technical Service Bulletin Titles for 1991 Buick Riviera V6-231 3.8L VIN L 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 Cooling System - Aluminum Radiator/Heater Core Info.
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
JUNE 2001 Seat Belt System - Collision Replacement Guidelines
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 A/T - New Solenoid Testing Kit
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 A/T - 4T60E Cold Start Rattle Noise
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 Aluminum Wheels - Refinishing
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 A/T - 4T60E 2nd Gear Starts, Shifts 1-3
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 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
MAY 1995 Service Manual - DTC`s 42/P1350/P1361 Revisions
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 - 4T60E Drive Chains
JANUARY 1995 A/T - 4T60E New Design Pump Body And Rotor
JANUARY 1995 A/T - 4T60E Torrington Bearing Replaced
JANUARY 1995 A/T - 4T60E Wiring Harness Updates
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 A/T - Forward and Reverse Servo Part Changes
SEPTEMBER 1994 Campaign - Product Bulletin Numbering System
AUGUST 1994 A/T - Loss of Drive or Erratic Shifts
AUGUST 1994 Engine - Tick or Rattle Noise After Cold Start Up
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
APRIL 1994 Power Antenna Mast - Replacement
MARCH 1994 A/T - 4th Clutch & Hydraulic Updates
MARCH 1994 A/T - Harsh 1 to 2, 2 to 3, or 3 to 4 Upshifts
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
JANUARY 1994 BCM - Ordering Replacement EEPROMs For BCM
DECEMBER 1993 A/T - Intermittent or No TCC Apply, Possible DTC 26/39
DECEMBER 1993 A/T - Second Gear Vibration
DECEMBER 1993 Steering - System Bleed Procedures
DECEMBER 1993 Tires - Manufacturers` Assistance
NOVEMBER 1993 Electrical - No Start Or No Crank With BCM Code 334
NOVEMBER 1993 Paint - Clearcoat Degradation, Chalking and Whitening
OCTOBER 1993 A/T - Failsafe Modes
OCTOBER 1993 Fuel - How Fuel Economy Is Determined
SEPTEMBER 1993 Warranty - Return All Bosch Antilock Brake System Parts
JULY 1993 Audio - Radio Frequency Interference (RFI) Diagnosis/ID
JULY 1993 Brakes - Revised ABS Diagnostic Charts Codes 41, 45, 55
JULY 1993 Cast Aluminum Wheels - Leaking
JULY 1993 Tools - Tilt Steering Column Spring Removal
JULY 1993 Transaxle - Fluid Leak at Helix Converter Seal
JULY 1993 Wheels - Sealing Leaking Cast Aluminum
JUNE 1993 A/T - Servicing Vehicles With Contaminated ATF
JUNE 1993 Engine - Recycling Used Oil Filters
JUNE 1993 SIR Module (Driver`s Side) - Shipping Instructions
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 Tires - Slipping on Wheels
FEBRUARY 1993 Fuel - Pump Related Driveability Issues, Codes 32, 44
NOVEMBER 1992 A/C Compressor Shaft Nut - Removal (Discontinued)
NOVEMBER 1992 A/T Bottom Pan Gasket (Reusable) - General Information
NOVEMBER 1992 SIR - Revised Diagnosis Intermittent DTC 24
OCTOBER 1992 Drive Axle - Wobble Vibration Between 20-35 MPH
OCTOBER 1992 Engine - Decel Stall or Long Crank on Start-Up
OCTOBER 1992 Engine - Miss, Hesitation, or Roughness
OCTOBER 1992 Engine Controls - Revised Chart A3, No Start
OCTOBER 1992 SIR Module - Exchange Program
SEPTEMBER 1992 A/T - Intermittent Electrical Problems
SEPTEMBER 1992 Fuel - Effect of Fuel Volatility On Driveability
AUGUST 1992 A/C - Information On the Use of Alternate Refrigerants
AUGUST 1992 A/T - Fluid Leak At Side Cover to Channel Plate
JULY 1992 A/T- Shudder In 1st/Reverse When Pedal is Released
JULY 1992 Wheels (Steel) - Proper Changing Procedure
JUNE 1992 A/C - Leak Test
JUNE 1992 Alignment - Lead or Pull to the Left
MAY 1992 Antitheft - Intermittent No Crank, Security Light ON
MAY 1992 Brakes - Tech 1 ABS Cartridge Exchange Program
MAY 1992 Inside Door Pull Handle - Breaks Loose
APRIL 1992 A/T - 4T60 Intermittent Delayed Engagement
APRIL 1992 A/T - Intermittent Delayed Engagement In Drive/Reverse
APRIL 1992 Wheels (Aluminum) - Coated Balance Weight Usage
MARCH 1992 Engine - Oil Leak At Rear Main Bearing Cap Side Seal
MARCH 1992 Engine Controls - Revised Chart C-17 Cruise Control Inop
MARCH 1992 Hub Assembly Seal - Squeak/Squawk Noise
MARCH 1992 Tires - Damage Caused In GM Assembly Plants
FEBRUARY 1992 A/T - Service Replacement Transaxle Assembly SRTA Update
FEBRUARY 1992 Cruise Control - Intermittent Operation
FEBRUARY 1992 Engine Controls - Revised Chart C-17, Code 58
FEBRUARY 1992 PROM - Engine May Experience Cold Start Stall
JANUARY 1992 Antitheft - No Crank, Malfunctioning Pass-Key Relay
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
NOVEMBER 1991 Oil Pressure Gage - Erratic Operation/Displays High
OCTOBER 1991 A/T - Dexron® IIE Preferred Fluid for All Hydra-matic
OCTOBER 1991 A/T - New Transmission/Transaxle Fluid
OCTOBER 1991 Airbags - Repair Airbags First
OCTOBER 1991 Engine - Hum/Whine Noise
SEPTEMBER 1991 A/T - Evaluating Peened Spacer Plates
SEPTEMBER 1991 A/T - Revised End Play Specifications
AUGUST 1991 A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
JULY 1991 Air Bag - Module Disposal Procedures
JUNE 1991 Computers/Controls - New Mem-Cal Install Procedure
JUNE 1991 ECC/Cruise Control - Mode Change/Not Maintaining Speed
JUNE 1991 Flywheel Bolt Torque - Revised Specification
JUNE 1991 PCM/BCM - Lack of Communication Between Units
APRIL 1991 A/C System - Refrigerant Loss Prevention
APRIL 1991 Instrument Panel - Upper Surface Cleaning
APRIL 1991 Spark Plug - New Design
MARCH 1991 ABS - Noise Information
MARCH 1991 Battery - Dead Due to Excessive Current Draw
MARCH 1991 Engine - Oil Drips Onto Floor After Oil Change
MARCH 1991 Power Steering - Reduced Assist At Low Temperatures
FEBRUARY 1991 Engine - Replacement Valve Spring and Cap
FEBRUARY 1991 Keyless Entry - Short Remote Transmitter Range
FEBRUARY 1991 SIR Coil Assembly - Proper Installation
FEBRUARY 1991 Shoulder Belt - Contacts Driver and Passenger`s Neck
JANUARY 1991 A/T - 4T60/4T60E 3rd Clutch Plate Identifier Markings
JANUARY 1991 Disc Brakes - Service Information
JANUARY 1991 Engine Oil Pressure Gauge - Erratic or High Pressure
JANUARY 1991 Wipers - Chattering Blades or Poor Wipeability
DECEMBER 1990 A/C - Erratic Temperature Control/Readings
DECEMBER 1990 Low Oil Level Message - False Display
DECEMBER 1990 Wheels - Clear Coat Scratch Removal
NOVEMBER 1990 Connector Terminals - Contact Checking Procedure
NOVEMBER 1990 Horn - Rattles When Vehicle Door Is Closed
NOVEMBER 1990 Main/Connecting Rod Bearing - Clearance Revision
NOVEMBER 1990 Speed Sensor - Erratic A/T/Speedometer Operation
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 Emissions Testing Vehicle Preconditioning
OCTOBER 1990 Fuel System - Recommended Fuels
OCTOBER 1990 Tire/Wheel - Match Mounting Discontinuation
SEPTEMBER 1990 A/T - Torque Converter Identification
SEPTEMBER 1990 Antenna Bezel Nut - Tool Applications
SEPTEMBER 1990 Engine - #4 Main Bearing Cap Service
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 Accessories (Aftermarket) - Installation Guidelines
MAY 1990 Reconstituted Antifreeze - Coolant Testing
FEBRUARY 1990 A/T - Choosing the Right ATF
OCTOBER 1989 A/T - Math Part II
SEPTEMBER 1989 A/T - Twenty Steps To Successful Repairs
AUGUST 1989 A/T - Math Formulas Part I
JANUARY 1989 Engine Coolant - Substitutes Not Recommended
NOVEMBER 1988 Battery - Diagnosis and Charging
SEPTEMBER 1987 A/T - Front Bushing Wear
AUGUST 1987 A/T - Slipping or No-Shift/Metal Sealing Rings
JANUARY 1986 A/T - Rapid Converter Pump Bushing Wear
FEBRUARY 1981 Oxygen Sensors - Silica Contamination
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