Technical Service Bulletins

• A/C Compressor
  • Information On New GE-48800 CoolTech Refrigerant Recovery/Recharge Equipment (08-01-38-001)
  • Information on GM ACR2000 (J-43600) and New Refrigerant Recovery Recharging Equipment Standard SAE J2788 (07-01-38-004)
  • New PAG Oil Released (02-01-39-004B)
  • Contaminated R-134a A/C Systems - Air Conditioning System Flushing Procedures and Universal In-Line A/C Filter Installation (83-12-21)
  • J-43600 ACR 2000 Essential Refrigerant Recovery/Recharge Equipment (99-01-38-006B)
• Accessories & Equipment
  • Announcement of Price Increase for MDI (EL-47955) (08-00-89-018A)
  • Processing GM Accessories - Initial Quality Issues (04-00-89-018C)
• Accessories Control Systems
  • Malfunction Indicator Lamp (MIL) On, Transmission Stuck in Second or Third Gear, Instrument Cluster Inoperative (Verify and Repair Source of Voltage Loss In Transmission Solenoid Power Supply Circuit) (01-07-30-002E)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
  • Erratic Fuel Gauge Level Readings (Replace Fuel Level Sender) (05-08-49-014)
  • Sunroof Will Not Close Completely or Closes and Moves to Vent Position (Recalibrate Sunroof Control Unit) (04-08-67-011)
  • Cruise Control Operation - Increasing Set Speed (04-08-68-002)
• Air Bag, SRS
  • General Motors Position Statement on Installation of Used, Salvaged, or Imitation Air Bag System Components (08-09-41-003)
  • New SIR System Disabling and Enabling Procedure (05-09-41-010)
• Anti-Theft Systems
  • Locating Radio, Key And Immobilizer Codes (04-00-89-007G)
  • Diagnostic Information for Inoperative Remote Vehicle Start (08-08-52-002)
  • Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
  • Remote Keyless Entry (RKE) Key Fob Comes Apart and Key Fob Screw Is Missing (Install New Screw) (04-08-52-007)
  • Door Latch Freezing In Cold Temperatures (05-08-64-002B)
• Automatic Trans
  • Information on 4T65-E MN7, M15, M76, MN3 Automatic Transmission Case, Cooler Fitting and Torque Converter Drain Back Check Ball Change (04-07-30-017B)
  • Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket) (01-07-30-032E)
  • No Reverse, Second Gear or Fourth Gear (Replace Reaction Sun Shell with More Robust Heat Treated Parts) (00-07-30-022D)
  • No Movement When Transmission is Shifted to Drive or Third - Normal Operation When Shifted to Second, First or Reverse (Replace Forward Sprag Assembly) (08-07-30-027)
  • Diagnostic Information on Diagnostic Trouble Code (DTC) P0894 and P1870 (08-07-30-008B)
  • Automatic Transmission/Transaxle Torque Converter Replacement (01-07-30-010C)
  • Grinding and/or Growling Noise in Park on Incline (99-07-30-030F)
  • Transmission Fluid Leaks from Cooler Pipe Fitting on Radiator (Inspect and Replace Transaxle Cooler Pipes and/or Radiator Assembly As Needed) (07-07-30-018)
  • Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) (01-07-30-038D)
  • Information Regarding Automatic Transmission Shift Lock Control Function (03-07-30-043A)
  • Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
  • 4L60-E / 4L65-E / 4L70-E Automatic Transmission Product Update (05-07-30-028A)
  • 4T65-E Automatic Transmission Fluid Leak From Reverse Servo Cover (Replace Reverse Servo Cover Seal) (04-07-30-028A)
  • Transmission Fluid Leak Diagnosis (01-07-30-041B)
  • Incorrect Transmission Shifts, Poor Engine Performance, Harsh 1-2 Upshifts, Slips 1ST and Reverse, Torque Converter Clutch (TCC) Stuck Off/On, DTCs P0730, P0756, P0757, P0741, P0742 (Clean Transaxle Valve Body and Case Oil Passages of Debris) (02-07-30-013E)
• Auxiliary Emission Control Systems
  • Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (4-06-04-036E)
  • New Add Time For Labor Operation L2300 - Converter, Oxidation Catalytic-Replace (02-00-89-006C)
  • Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
• Body Electrical
  • Electrical Concerns - Intermittent/Inoperative Components, DTC B1327, B1330 Set, ABS and T/C Lamps on, Wiring Chafed/Shorted At Transaxle Mount, Below Underhood Fuse Block, and/or Left Wheelhouse (Repair Wire Harness) (05-08-45-003E)
  • Instrument Panel (I/P), Body and General Wiring Harness Repair (06-08-45-004)
• Body Interior
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
  • Erratic Fuel Gauge Level Readings (Replace Fuel Level Sender) (05-08-49-014)
  • Sunroof Will Not Close Completely or Closes and Moves to Vent Position (Recalibrate Sunroof Control Unit) (04-08-67-011)
• Brakes Control Systems
  • Electrical Concerns - Intermittent/Inoperative Components, DTC B1327, B1330 Set, ABS and T/C Lamps on, Wiring Chafed/Shorted At Transaxle Mount, Below Underhood Fuse Block, and/or Left Wheelhouse (Repair Wire Harness) (05-08-45-003E)
• Charging Systems
  • Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (43-64-07A)
  • Battery and Charging System Electrical Diagnostics (99-06-03-012)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
• Communication Devices
  • Re-establishing Communications with OnStar® Center After Battery Disconnect (00-08-46-004C)
  • Availability of GM OnStar® Vehicle Diagnostics and GM Goodwrench® Remote Diagnostic Services (06-08-46-002B)
  • Cataloging of Electronic Service Center Parts (06-00-89-016A)
  • Incorrect OnStar® Global Positioning System (GPS) Location Reported During OnStar® Call (02-08-46-006C)
  • Information On ONSTAR System - Possible Loss Of GPS Signal, Hands-Free Calling Minutes Expire Prematurely And/Or Inability To Add Hands-Free Calling Minutes (02-08-46-007D)
  • Unable to Connect to OnStar(R) or OnStar(R) Personal Calling Inoperative (04-08-46-003B)
  • Parts Restriction on Ordering OnStar(R) Generation 5 and 6 Vehicle Communication Interface Modules (VCIM) (03-08-46-004A)
  • Radio Telephone/Mobile Radio (Transceiver) Installation and Troubleshooting Guidelines (04-08-46-002)
• Cooling Fan
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
• Cooling System (Mechanical)
  • Information On Aluminum Heater Core and/or Radiator Replacement (73-62-13A)
  • DEX-COOL® Coolant - New Leak Detection Dye J 46366 - Replaces J 29545-6 (05-06-02-002B)
  • Engine Coolant Recycling and Warranty Information (00-06-02-006D)
  • Instructions for Using GE-47716 Vac-N-Fill Coolant Refill Tool (05-06-02-006)
• Cruise Control Systems
  • Cruise Control Operation - Increasing Set Speed (04-08-68-002)
• Differentials & Drive Axles
  • Diagnostic Information for Front Wheel Drive Transaxle/Transmission Final Drive and/or Front Hub Bearing Hum and/or Grind Noise (06-07-30-006)
• Engine Control Systems
  • Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (4-06-04-036E)
  • Diagnostic Tips on Idle Speed Control (ISC) System for Engine Hesitation, Unstable Idling, Poor Acceleration and/or Engine Speed Fluctuation Conditions (06-06-04-020)
  • Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
  • Vehicles Without Engine Oil Life System (05-00-90-009)
  • Understanding GMDAT Vehicle Global Build Variations (05-06-04-051)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
  • Information on CKP Learn Procedure After Engine Control Module (ECM) Reflash or Replacement (04-06-04-067)
  • Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
• Entertainment Systems
  • Locating Radio, Key And Immobilizer Codes (04-00-89-007G)
  • Poor Radio Reception Or Radio Static/Increased Interference With Rear Window Defogger On Or Some Rear Window Defogger Grids May Be Inoperative (03-08-44-005L)
  • Changes to XM Network of Terrestrial Repeaters (08-08-46-006)
  • Parts Restriction on Ordering XM Digital Radio Receiver (04-08-44-009A)
  • Utilizing Tech 2® To Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) (04-08-44-005C)
  • Cataloging of Electronic Service Center Parts (06-00-89-016A)
  • Information on Rear Seat Headphone Foam Ear Pad Replacement if Worn or Damaged (05-08-44-005A)
  • Information on Radio and Instrument Panel Cluster (IPC) Part Restrictions (U.S. Only) (06-00-89-038)
  • XM Radio Labor Operation Codes (03-08-44-001A)
• Exhaust
  • New Add Time For Labor Operation L2300 - Converter, Oxidation Catalytic-Replace (02-00-89-006C)
• Exterior Body Panels
  • Metal Panel Bonding (02-08-98-001C)
  • Urethane Adhesives For Stationary Glass And Other Applications (02-08-48-001A)
  • Usage of E85 Fuels in GM Vehicles (05-06-04-035)
  • Repair Procedure for Service Sheet Metal - Craters in ELPO Surface (04-08-98-002)
• Exterior Lights
  • Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (43-64-07A)
• Frames, Subframes & Crossmembers
  • Information on Repair of Polypropylene Energy Absorbers (63-20-02)
• Front Suspension
  • Crunch, Squawk, or Grind Noise From Front or Rear Suspension When Driving Over Bumps in Cold Weather (Replace Front or Rear Stabilizer Bar Bushings) (06-03-08-009A)
• Fuel System
  • Use of E85 Fuels in Vehicles Not Certified by GM as being FlexFuel Compatible / Aftermarket Conversion of Vehicles to Operate on E85 Fuels (06-06-04-035A)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
  • Usage of E85 Fuels in GM Vehicles (05-06-04-035)
  • Erratic Fuel Gauge Level Readings (Replace Fuel Level Sender) (05-08-49-014)
  • Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
• Fuses & Circuit Breakers
  • Service Alert: Concerns With Aftermarket Fuses in GM Vehicles (07-08-45-002)
  • Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair, and the Importance of J-38125 Electrical Terminal Repair Kit Maintenance (06-08-45-001)
• Gauges & Instrument Panels
  • Utilizing Tech 2® To Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) (04-08-44-005C)
  • Cataloging of Electronic Service Center Parts (06-00-89-016A)
  • PRNDL Display Reduced Visibility For Approximately One Minute (02-08-72-004A)
  • Information on Radio and Instrument Panel Cluster (IPC) Part Restrictions (U.S. Only) (06-00-89-038)
  • Instrument Panel (I/P), Body and General Wiring Harness Repair (06-08-45-004)
  • Malfunction Indicator Lamp (MIL) On, Transmission Stuck in Second or Third Gear, Instrument Cluster Inoperative (Verify and Repair Source of Voltage Loss In Transmission Solenoid Power Supply Circuit) (01-07-30-002E)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
  • Erratic Fuel Gauge Level Readings (Replace Fuel Level Sender) (05-08-49-014)
• HVAC Control Systems
  • Information On Aluminum Heater Core and/or Radiator Replacement (73-62-13A)
  • Information On New GE-48800 CoolTech Refrigerant Recovery/Recharge Equipment (08-01-38-001)
  • 18 Digit "Snapshot/Charge Summary" Code No Longer Required For A/C Refrigerant System Repairs Submitted For Warranty Reimbursement (05-01-38-008B)
  • Contaminated R134a Refrigerant Found on Market for Automotive Air-Conditioning Systems (06-01-39-007)
  • Contaminated R-134a A/C Systems - Air Conditioning System Flushing Procedures and Universal In-Line A/C Filter Installation (83-12-21)
  • J-43600 ACR 2000 Essential Refrigerant Recovery/Recharge Equipment (99-01-38-006B)
• Ignition Switch/Steering Lock
  • Locating Radio, Key And Immobilizer Codes (04-00-89-007G)
• Ignition System
  • Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
• Infotainment
  • Navigation Radio Diagnostic Tips (08-08-44-010F)
  • Re-establishing Communications with OnStar® Center After Battery Disconnect (00-08-46-004C)
  • Cataloging of Electronic Service Center Parts (06-00-89-016A)
  • Incorrect OnStar® Global Positioning System (GPS) Location Reported During OnStar® Call (02-08-46-006C)
  • Information On ONSTAR System - Possible Loss Of GPS Signal, Hands-Free Calling Minutes Expire Prematurely And/Or Inability To Add Hands-Free Calling Minutes (02-08-46-007D)
  • Information on Obtaining Replacement Navigation Discs When Radios are Exchanged - Order Replacement Navigation Disc Through Navigation Disc Center (07-08-44-007)
  • Unable to Connect to OnStar(R) or OnStar(R) Personal Calling Inoperative (04-08-46-003B)
• Interior/Exterior Trim
  • Plastic Wheel Nut Covers Missing and/or Loose (Replace Missing Covers and Add Sealant to All Covers) (01-03-10-009A)
• Lubrication System
  • 60 Degree V6 Engine Oil Leak at Crankshaft Front Oil Seal (Use New Crankshaft Front Oil Seal Installer Tool EN-48869) (07-06-01-023)
  • Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) (05-06-01-019F)
  • Engine Oil Leak at Oil Pan Drain Plug (Replace Drain Plug and Washer) (06-06-01-001A)
  • Vehicles Without Engine Oil Life System (05-00-90-009)
• Manual Trans
  • Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
• Mechanical
  • Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) (05-06-01-019F)
  • Engine Oil Leak at Oil Pan Drain Plug (Replace Drain Plug and Washer) (06-06-01-001A)
  • Revised Mass Air Flow Core Return Requirements (06-06-04-057)
  • Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
• Mechanical - Hydraulic
  • Brake Align® System for Brake Rotor Lateral Runout Correction (01-05-23-001B)
  • Brake Rotor/Drum Refinishing Labor Operations (06-05-22-007)
  • On-Car Brake Lathe Specifications and Maintenance Requirements (05-05-22-001)
• Mirrors
  • Information On Curb Park Assist And Memory Related Issues On Outside Rearview Mirrors (07-08-64-022B)
• Paint & Coatings
  • Cloudy Spot in Paint After Protective Covering is Removed (Heat Area) (05-08-51-005)
  • Repair Procedure for Service Sheet Metal - Craters in ELPO Surface (04-08-98-002)
• Rear Suspension
  • Crunch, Squawk, or Grind Noise From Front or Rear Suspension When Driving Over Bumps in Cold Weather (Replace Front or Rear Stabilizer Bar Bushings) (06-03-08-009A)
• Restraints Control Systems
  • New SIR System Disabling and Enabling Procedure (05-09-41-010)
  • Sensing and Diagnostic Module (SDM) Replacement After Airbag Inflation (05-09-41-007)
• Starter
  • Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (43-64-07A)
  • GM Dealer Visits: Proper Management of Batteries in Dealer Parts Stock / Vehicle Inventory (08-06-03-005)
  • Battery and Charging System Electrical Diagnostics (99-06-03-012)
  • Battery Charging Tips (Includes Information References for HP2 Hybrid Truck [PHT] 42-volt System) (02-06-03-009C)
  • Starter Cranks After Key Is Released (Normal Condition) (03-06-03-001D)
  • Intermittent No Crank, No Start (03-06-03-006A)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
  • Battery Parasitic Drain (02-06-03-010A)
• Sun Roof/T-Top/Convertible Top
  • Sunroof Will Not Close Completely or Closes and Moves to Vent Position (Recalibrate Sunroof Control Unit) (04-08-67-011)
• Suspension Control Systems
  • Warranty Reduction - Transfer of Tire Pressure Monitoring (TPM) Sensors to Replacement Wheels and Allowable TPM Sensor Replacements (08-03-16-003)
• System
  • Diagnostic Trouble Codes (DTCs) Required On Repair Orders (06-00-89-050B)
  • Electrical Concerns - Intermittent/Inoperative Components, DTC B1327, B1330 Set, ABS and T/C Lamps on, Wiring Chafed/Shorted At Transaxle Mount, Below Underhood Fuse Block, and/or Left Wheelhouse (Repair Wire Harness) (05-08-45-003E)
  • MIL Illuminated with Low Ambient Temperatures (Below 0°C [32°F]), Multiple DTCs Set with Common DTC of P161B (Optra) or P0605 (Epica) (Replace MAP Sensor) (07-06-04-036)
  • Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) (01-07-30-038D)
  • Normal Characteristics of Malfunction Indicator Lamp (MIL) During On-Board Diagnostic (OBD) Inspection/Maintenance (I/M) Testing (06-06-04-037)
  • Diagnostic Tips on Idle Speed Control (ISC) System for Engine Hesitation, Unstable Idling, Poor Acceleration and/or Engine Speed Fluctuation Conditions (06-06-04-020)
  • Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
  • Understanding GMDAT Vehicle Global Build Variations (05-06-04-051)
  • Incorrect Transmission Shifts, Poor Engine Performance, Harsh 1-2 Upshifts, Slips 1ST and Reverse, Torque Converter Clutch (TCC) Stuck Off/On, DTCs P0730, P0756, P0757, P0741, P0742 (Clean Transaxle Valve Body and Case Oil Passages of Debris) (02-07-30-013E)
  • Erratic Fuel Gauge Level Readings (Replace Fuel Level Sender) (05-08-49-014)
  • Information on CKP Learn Procedure After Engine Control Module (ECM) Reflash or Replacement (04-06-04-067)
  • Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
• Transfer Case
  • Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
• Transmission Control Systems
  • Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (4-06-04-036E)
  • Diagnostic Information on Diagnostic Trouble Code (DTC) P0894 and P1870 (08-07-30-008A)
  • Electrical Concerns - Intermittent/Inoperative Components, DTC B1327, B1330 Set, ABS and T/C Lamps on, Wiring Chafed/Shorted At Transaxle Mount, Below Underhood Fuse Block, and/or Left Wheelhouse (Repair Wire Harness) (05-08-45-003E)
  • Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) (01-07-30-038D)
  • Information Regarding Automatic Transmission Shift Lock Control Function (03-07-30-043A)
  • 4L60-E / 4L65-E / 4L70-E Automatic Transmission Product Update (05-07-30-028A)
  • Malfunction Indicator Lamp (MIL) On, Transmission Stuck in Second or Third Gear, Instrument Cluster Inoperative (Verify and Repair Source of Voltage Loss In Transmission Solenoid Power Supply Circuit) (01-07-30-002E)
  • Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
• Wheel Alignment
  • New Alignment Procedure For Labor Operation Numbers E2020 and E2000 (04-03-07-002A)
• Wheel Hubs
  • Release of New Wheel Hub Bolt for Service (08-03-08-001)
• Wheels & Tire System
  • General Motors New Vehicle Wheel Warranty Coverage (07-03-10-015B)
  • GM of Canada New Vehicle Limited Warranty Tire Program (01-03-10-003G)
  • Performance Characteristics of Vehicles with Accessory Wheel/Tire Assemblies Installed as "Upsized" to Original Equipment (05-03-10-005D)
  • Minimizing Damage to Tire Pressure Monitor (TPM) Sensors During Tire Mounting/Dismounting (08-03-10-007)
  • Warranty Reduction - Transfer of Tire Pressure Monitoring (TPM) Sensors to Replacement Wheels and Allowable TPM Sensor Replacements (08-03-16-003)
  • Pitting and Brake Dust on Chrome Wheels (04-03-10-012B)
  • Proper Use of OEM Service Wheel Weights, Marring and/or Damage Due to Use of Non-OEM and/or Incorrect Wheel Weight Installation (06-03-10-004)
  • Use Recommended Tire Mounting Lubricant To Prevent Tires From Slipping on Chrome Wheels (T-93-93)
• Window Motors & Regulators
  • Urethane Adhesives For Stationary Glass And Other Applications (02-08-48-001A)
• Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)
  • Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair, and the Importance of J-38125 Electrical Terminal Repair Kit Maintenance (06-08-45-001)