Repair manual
Cadillac STS I facelift Repair Manual
Step-by-step repair and maintenance instructions for the Cadillac STS I facelift (2007–2011): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Adhesives, Fluids, Lubricants, and Sealers
- Vehicle Identification Number
- Engine Traceability Label
- Engine Verification Label
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Base Engine Misfire without Internal Engine Noises
- Base Engine Misfire with Abnormal Internal Lower Engine Noises
- Base Engine Misfire with Abnormal Valve Train Noise
- Base Engine Misfire with Coolant Consumption
- Base Engine Misfire with Excessive Oil Consumption
- Engine Noise on Start-Up, but Only Lasting a Few Seconds
- Upper Engine Noise, Regardless of Engine Speed
- Lower Engine Noise, Regardless of Engine Speed
- Engine Noise Under Load
- Engine Will Not Crank - Crankshaft Will Not Rotate
- Coolant in Combustion Chamber
- Coolant in Engine Oil
- Tools Required
- Compression Test Procedure
- Special Tools
- Leakage Test Procedure
- Oil Consumption Diagnosis
- Diagnosis and Testing Procedure
- Oil Leak Diagnosis
- Crankcase Ventilation (CV) System Inspection
- Results of Incorrect Operation
- Diagnostic Aids
- Test Description
- Drive Belt Tensioner Diagnosis
- Drive Belt System Description
- Engine Component Description (LLT)
- Crankcase
- Crankshaft
- Connecting Rods and Pistons
- Camshaft Drive System
- Camshaft Position Actuator System
- Cylinder Heads
- Induction System
- Right and Left Bank Designation
- New Product Information
- Torque Values and/or Fastener Tightening Strategies
- Changed Engine Specifications
- New Sealants and/or Adhesives
- Disassembly and Assembly Procedure Revisions
- Engine Mechanical Diagnostic Procedure Revisions
- New Special Tools Required
- A Component Comparison from the Previous Year
- Lubrication Description
- Cleanliness and Care
- Separating Parts
- Gasket Reuse and Applying Sealant
- Separating Components
- Cleaning Gasket Surfaces
- Assembling Components
- Sealant Types
- Anaerobic Type Room Temperature Vulcanizing (RTV) Sealant
- Anaerobic Type Gasket Eliminator Sealant
- Anaerobic Type Threadlock Sealant
- Anaerobic Type Pipe Sealant
- Tools and Equipment
- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Adhesives, Fluids, Lubricants, and Sealers
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Base Engine Misfire without Internal Engine Noises
- Base Engine Misfire with Abnormal Internal Lower Engine Noises
- Base Engine Misfire with Abnormal Valve Train Noise
- Base Engine Misfire with Coolant Consumption
- Base Engine Misfire with Excessive Oil Consumption
- Engine Noise on Start-Up, but Only Lasting a Few Seconds
- Upper Engine Noise, Regardless of Engine Speed
- Lower Engine Noise, Regardless of Engine Speed
- Engine Noise Under Load
- Engine Will Not Crank - Crankshaft Will Not Rotate
- Coolant in Combustion Chamber
- Coolant in Engine Oil
- Tools Required
- Compression Test Procedure
- Special Tools
- Leakage Test Procedure
- Oil Consumption Diagnosis
- Diagnostic and Testing Procedure
- Oil Leak Diagnosis
- Positive Crankcase Ventilation (PCV) System Inspection
- Results of Incorrect Operation
- Diagnostic Aids
- Test Description
- Drive Belt Tensioner Diagnosis
- Drive Belt System Description
- Crankcase
- Crankshaft
- Connecting Rods and Pistons
- Camshaft Drive System
- Camshaft Position Actuator System
- Cylinder Heads
- Engine Cooling System
- Lubrication System
- Supercharger and Induction System
- Right and Left Bank Designation
- Description
- Operation
- Intercooler
- New Product Information
- Torque Values and/or Fastener Tightening Strategies
- Changed Engine Specifications
- New Sealants and/or Adhesives
- Disassembly and Assembly Procedure Revisions
- Engine Mechanical Diagnostic Procedure Revisions
- New Special Tools Required
- A Component Comparison from the Previous Year
- Cleanliness and Care
- Separating Parts
- Gasket Reuse and Applying Sealant
- Separating Components
- Cleaning Gasket Surfaces
- Assembling Components
- Sealant Types
- Anaerobic Type Room Temperature Vulcanizing (RTV) Sealant
- Anaerobic Type Gasket Eliminator Sealant
- Anaerobic Type Threadlock Sealant
- Anaerobic Type Pipe Sealant
- Tools and Equipment
- Symptoms - Automatic Transmission
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Control Solenoid Valve and Transmission Control Module Assembly Inspection
- Tools Required
- Control Solenoid Valve and Transmission Control Module Assembly Cleaning
- Special Tools
- Preliminary Procedures
- Service Fast Learn Adapts
- PARK Test Setup
- DRIVE Mode
- REVERSE Mode
- Transmission Fluid Check
- Transmission Fluid Fill Procedure
- Fill Tube Plug Method
- Check Plug Method
- Road Test
- Electrical Function Check
- Upshift Control and Torque Converter Clutch (TCC) Apply
- Part Throttle Detent Downshift
- Manual Downshifts
- Coasting Downshifts
- Manual Gear Range Selection
- Reverse
- Driver Shift Control (DSC)
- Torque Converter Diagnosis
- Torque Converter Stator
- Poor Acceleration at Low Speed
- Poor Acceleration at High Speed
- Noise
- Torque Converter Clutch Shudder
- If Shudder Occurs During TCC Apply or Release
- If Shudder Occurs After TCC has Applied
- Isolating Vibration
- Indexing Torque Converter
- Bushing and Mating Shaft Inspection
- Vibration
- Noise and Vibration Analysis
- Whine/Growl Noise That Changes with Vehicle Speed
- Noise in First or Reverse Gear
- Noise in First, Second, Third, Fourth, Fifth, or Reverse Gear
- Noise in First, Second, Sixth, or Reverse Gear
- Noise in Second or Sixth Gear
- Noise During 3-4 or 4-3 Shifts
- Noise in Fourth, Fifth, or Sixth Gear
- Composition Plates
- Steel Plates
- Causes of Burned Clutch Plates
- Engine Coolant/Water in Transmission
- General Method
- Powder Method
- Dye and Black Light Method
- Find the Cause of the Leak
- Gaskets
- Seals
- Transmission Oil Pan
- Case Leak
- Leak at the Torque Converter End
- Leak at the Vent Pipe
- Case Porosity Repair
- Transmission Fluid Cooler Flushing and Flow Test
- Flow Check and Flushing Procedure
- Machine Set-up
- Determine Minimum Flow Rate
- Back Flush Procedure
- Forward Flush
- Flow Test
- Code Recording Procedure
- Clean-up
- Automatic Transmission Fluid Leaks
- No Park or Drive
- Harsh Garage Shift
- No Drive in All Ranges
- No Drive or Reverse Gear
- No First Gear
- No First and Reverse Gears
- Harsh, Soft, Delayed or Slipping First or Reverse Gear
- Stuck in First or Reverse Gear
- No First, Second, Third, and Fourth Gear
- Harsh, Soft, Delayed or Slipping 1-2-3-4 Shift
- No First, Second, Third, Fourth, Fifth, or Reverse Gear
- No First, Second, Sixth, or Reverse Gear
- No Second and Sixth Gear
- Harsh, Soft, Delayed or Slipping Second or Sixth Gear
- Stuck in Second or Sixth Gear
- Vibration in Second, Third, Fourth, Fifth, or Sixth Gear
- No Third, Fifth, and Reverse Gear
- Harsh, Soft, Delayed or Slipping Third, Fifth, or Reverse Gear
- No Fourth, Fifth, and Sixth Gear
- Harsh, Soft, Delayed or Slipping 4-5-6 Shift
- No Torque Converter Clutch Apply
- No Torque Converter Clutch Release
- No Reverse Gear
- Fluid Pressure High or Low
- Removal Procedure
- Installation Procedure
- Shift Control Linkage Adjustment (All Wheel Drive)
- Shift Control Linkage Adjustment (Rear Wheel Drive)
- Transmission Mount Inspection
- Transmission Output Shaft Seal Replacement (6L80)
- Transmission Replacement (6L50 All Wheel Drive)
- Transmission Final Test and Inspection
- Transmission Replacement (6L50 Rear Wheel Drive)
- 4-5-6 Clutch Piston Removal
- Turbine Shaft Fluid Seal Ring Replacement
- 4-5-6 Clutch Piston Installation
- Driver Shift Control
- Transmission General Description
- Transmission Component and System Description
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Park - Engine Running
- Manual Valve
- CBR1/C456 Pressure Control (PC) Solenoid 3
- CBR1/C456 Clutch Regulator Valve
- Shift Solenoid 1
- TCC Regulator Valve and Shuttle Valve
- #2 Ball Check Valve
- Clutch Select Valve 2
- Shift Solenoid 2
- 3-5 Reverse Clutch Regulator Valve
- #3 Ball Check Valve
- Clutch Select Valve #3
- Low and Reverse Clutch
- #5 Ball Check Valve
- C35R Pressure Control Solenoid 2
- 3-5 Reverse Boost Valve
- 3-5 Reverse Clutch
- Neutral - Engine Running
- 3-5 Reverse Clutch Boost Valve
- Drive Range, First Gear Engine Braking
- #1 Ball Check Valve
- #6 Ball Check Valve
- C1234 Pressure Control Solenoid 5
- 1-2-3-4 Clutch Regulator Valve
- 1-2-3-4 Clutch Boost Valve
- 1-2-3-4 Clutch
- Drive Range, First Gear
- CBR1/C456 Pressure Control Solenoid 3
- #4 Ball Check Valve
- #7 Ball Check Valve
- Drive Range, Second Gear
- CB26 Pressure Control Solenoid 4
- 2-6 Clutch Regulator Gain Valve
- 2-6 Clutch Regulator Valve
- 2-6 Clutch
- Drive Range, Third Gear
- Drive Range, Third Gear Default
- Drive Range - Fourth Gear
- 4-5-6 Clutch Boost Valve
- 4-5-6 Clutch
- Drive Range, Fifth Gear
- Drive Range, Fifth Gear Default
- 2-6 CB26 Pressure Control Solenoid 4
- TCC Pressure Control Solenoid
- Drive Range, Sixth Gear
- Electrical Schematic Symbols — Part 1
- Electrical Schematic Symbols — Part 2
- Vehicle Zoning Strategy
- Master Electrical Schematic Icons
- DIAGNOSTIC CODE INDEX
- Removal Procedure
- Installation Procedure
- Special Tools
- Power Mode
- Fail-safe Operation
- Serial Data Messages
- Discrete Power Mode Signals
- ECM and TCM Power Mode Backup Strategy
- Serial Data Control of Retained Accessory Power (RAP)