Engine, Cooling and Exhaust: Technical Service Bulletins
- Customer Interest
- A/C - Reduced Performance During Idle/Slow Speeds
- Oil Pressure Sensor Wiring - Intermittent DTC B131
- Air Conditioning - Moan and Vibration
- Engine - Valve Lifter Type Noise On Cold Start
- Engine - Oil Leak at Rear Main Seal
- Vehicle - Slight Torque Steer On Acceleration
- Camshaft Sensor Interrupter - Broken (No Start Code)
- Exhaust - Sulfur Odor
- Engine - Miss, Hesitation, or Roughness
- Oil Pressure Gauge - Erratic/Displays High Oil Pressure
- Oil Pressure Light - On or Loss of Oil Pressure at Idle
- Engine Drive Belt - Chirp or Squeal
- Oil Pressure Light - Incorrect Operation
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- A/C - Reduced Performance During Idle/Slow Speeds
- Oil Pressure Sensor Wiring - Intermittent DTC B131
- Air Conditioning - Moan and Vibration
- Engine - Valve Lifter Type Noise On Cold Start
- Engine - Oil Leak at Rear Main Seal
- Vehicle - Slight Torque Steer On Acceleration
- Camshaft Sensor Interrupter - Broken (No Start Code)
- Exhaust - Sulfur Odor
- Engine - Miss, Hesitation, or Roughness
- Oil Pressure Gauge - Erratic/Displays High Oil Pressure
- Oil Pressure Light - On or Loss of Oil Pressure at Idle
- Engine Drive Belt - Chirp or Squeal
- Oil Pressure Light - Incorrect Operation
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Driveability
- Erratic Operation
- Erratic Shifting
- False instrument warning light/gauges
- High emissions
- Inoperative
- Leaks
- Noise
- Odors
- Poor performance
- Poor steering/ride control
- Vibration
- All Technical Service Bulletins
- Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
- Vehicle - Engine And Sub-Systems Flushing Recommendations
- A/C - Reduced Performance During Idle/Slow Speeds
- Vehicle - Fluid Leak Detection/Dyes
- Engine - Intermittently Will Not Stay Running
- Cylinder Head - Torque to Yield Bolts
- Engine, GM Goodwrench - Part Number Differences
- Cylinder Head - Recap of Torque to Yield Bolt
- Engines - ACDelco Remanufactured
- Engine - Surface Conditioning Discs Precautions
- Engine - AC Delco Remanufactured Engines
- Cooling System - Antifreeze Concentration and Effects
- Oil Pressure Sensor Wiring - Intermittent DTC B131
- Air Conditioning - Moan and Vibration
- Engine Camshaft - Revised/Identification
- Camshaft Sensor Interrupter - Repeadedly Broken
- Engine - Valve Lifter Type Noise On Cold Start
- Cooling - Radiator Repair/Replacement Guidelines
- Engine - Oil Leak at Rear Main Seal
- Exhaust - Intermediate Pipe Replacement
- Vehicle - Slight Torque Steer On Acceleration
- Camshaft Sensor Interrupter - Broken (No Start Code)
- Emissions - Effects of Top Engine Cleaner on Converter
- Exhaust - Sulfur Odor
- Oil Filter (75 mm) - Proper Installation
- Engine - Recycling Used Oil Filters
- Main/Connecting Rod Bearing - Clearance Revision
- Engine - Miss, Hesitation, or Roughness
- Oil Pressure Gauge - Erratic/Displays High Oil Pressure
- Rocker Arm Cover Gasket - Installation
- Exhaust - Updated Intermediate Pipe Service Procedure
- Cooling System - Reconstituted Antifreeze
- Coolant - Information on Propylene Glycol Usage
- Warranty - Recycled Engine Coolant Policy
- Engine Coolant - Substitutes Not Recommended
- Reconstituted Antifreeze - Coolant Testing
- Oil Pressure Light - On or Loss of Oil Pressure at Idle
- Engine Drive Belt - Chirp or Squeal
- Oil Pressure Light - Incorrect Operation
- Camshaft Thrust Plate - New Design
- Cooling System - Coolant Recycling Information
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Engine - Sealant Usage/Procedures
- Engine/Fuel System - Oil/Fuel Additive Information
- Cooling System, A/C - Aluminum Heater Cores/Radiators
- Engine - Noise/Damage Oil Filter Application Importance
- Engine - Drive Belt Misalignment Diagnostics
- Engine - Use of 'Surface Conditioning Disks'
- Engine - Intake Manifold Inspection/Replacement
- Engine - GM Dexos 1(R) And 2(R) Oil Specifications
- Engine - GM dexos 1(R) and dexos 2(R) Oil Specifications/Info.