Repair manual
Wiring diagrams
Cadillac CTS I Repair Manual
Step-by-step repair and maintenance instructions for the Cadillac CTS I (2002–2007): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
- Fastener Tightening Specifications (LA3, LY9)
- Fastener Tightening Specifications (LY7, LS6)
- Cooling System Connector End Views
- Diagnostic Starting Point - Engine Cooling
- Test Description
- Scan Tool Output Controls
- Scan Tool Data List
- Diagnostic Trouble Code (DTC) List
- Circuit Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Symptoms - Engine Cooling
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Low Engine Coolant Indicator Always On
- Cooling Fan Always On
- Cooling Fan Inoperative
- Cooling Fan Always On - Auxiliary
- Cooling Fan Inoperative - Auxiliary
- After Boil Coolant Pump Inoperative
- Coolant Bypass Valve Inoperative
- Engine Overheating (LY7)
- Engine Overheating (LS6)
- Loss of Coolant (M 35)
- Loss of Coolant (M 82)
- Thermostat Diagnosis (LY7)
- Thermostat Diagnosis (LS6)
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature (LY7, LS6)
- Pressure Cap Testing
- Cooling System Leak Testing
- Tools Required
- Draining Procedure
- Fill Procedure
- Standard Coolant Filling Procedure
- Special Coolant Fill Procedure
- Filling Procedure
- Flushing
- Radiator Cleaning
- Removal Procedure
- Installation Procedure
- Radiator Replacement (LS6)
- Cooling Fan Control - Two Fan System
- Cooling Fan Control - Three Fan System
- Engine Coolant
- Coolant Warning Messages
- Coolant Level Control
- Coolant Heater
- Water Pump
- Thermostat
- Engine Oil Heat Exchanger
- Transmission Oil Cooler-Two Fan System
- Transmission Oil Cooler-Three Fan System
- Power Steering Oil Cooler
- Special Tools
- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Sealers, Adhesives, and Lubricants
- 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
- Test Procedure
- Cylinder Leakage Test
- Oil Consumption Diagnosis
- Oil Pressure Diagnosis and Testing
- 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
- Crankcase
- Crankshaft
- Connecting Rods and Pistons
- Camshaft Drive System
- Camshaft Position Actuator System
- Cylinder Heads
- Induction System
- Right and Left Bank Designation
- 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
- Special Tools
- Fastener Tightening Specifications
- Engine Mechanical Specifications (LS6)
- Sealers, Adhesives, and Lubricants
- 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
- Engine Compression Test
- Engine Balancing
- Crankshaft Balancer
- Engine Flywheel
- Tools Required
- Test Procedure
- Oil Consumption Diagnosis
- Oil Pressure Diagnosis and Testing
- Oil Leak Diagnosis
- Results of Incorrect Operation
- Diagnostic Aids
- Test Description
- Drive Belt Tensioner Diagnosis
- On-Vehicle Repair Instructions
- Installation Procedure
- Removal Procedure
- Engine Mount Inspection
- Valve Stem Oil Seal and Valve Spring Replacement
- Engine Front Cover Replacement
- Timing Chain and Sprockets Replacement
- Off-Vehicle Repair Instructions
- Crankshaft Balancer Removal
- Engine Flywheel Removal
- Oil Level Indicator and Tube Removal
- Exhaust Manifold Removal - Left
- Exhaust Manifold Removal - Right
- Water Pump Removal
- Throttle Body Removal
- Fuel Rail and Injectors Removal
- Intake Manifold Removal
- Coolant Air Bleed Pipe Removal
- Engine Valley Cover Removal
- Valve Rocker Arm Cover Removal - Left
- Valve Rocker Arm Cover Removal - Right
- Valve Rocker Arm and Push Rod Removal
- Cylinder Head Removal - Left
- Cylinder Head Removal - Right
- Oil Filter, Adapter and Pan Cover Removal
- Oil Pan Removal
- Engine Front Cover Removal
- Engine Rear Cover Removal
- Oil Pump, Pump Screen and Deflector Removal
- Timing Chain and Sprockets Removal
- Camshaft Removal
- Piston, Connecting Rod, and Bearing Removal
- Crankshaft and Bearings Removal
- Engine Block Cleaning and Inspection
- Boring Procedure
- Crankshaft and Bearings Cleaning and Inspection
- Cleaning Procedure
- Inspection Procedure
- Measuring Main Bearing Clearance - Gaging Plastic Method
- Measuring Connecting Rod Bearing Clearance - Gaging Plastic Method
- Measuring Connecting Rod Bearing Clearance - Using J 43690/J 43690-100
- Crankshaft Balancer Cleaning and Inspection
- Replacing the Crankshaft Balancer and Balance Weights
- Disassembly Procedure
- Full-Floating Piston Pin
- Piston, Connecting Rod, and Bearings Cleaning and Inspection
- Measuring Piston Ring End Gap
- Connecting Rod and Bearings
- Tool Usage Information
- Tool Assembly and Operation
- Camshaft and Bearings Cleaning and Inspection
- Measuring Camshaft Lobe Lift
- Timing Chain and Sprockets Cleaning and Inspection
- Cylinder Head Cleaning and Inspection
- Reaming Procedure
- Valve and Seat Grinding
- Oil Pump Disassemble
- Oil Pump Cleaning and Inspection
- Oil Pump Assemble
- Engine Front Cover Cleaning and Inspection
- Engine Rear Cover Cleaning and Inspection
- Engine Valley Cover Cleaning and Inspection
- Valve Rocker Arm Cover Cleaning and Inspection
- Oil Pan Cleaning and Inspection
- Exhaust Manifold Cleaning and Inspection
- Coolant Air Bleed Pipe Cleaning and Inspection
- Thread Repair
- Cylinder Head Bolt Hole Thread Repair
- Main Cap Bolt Hole Thread Repair
- Service Prior to Assembly
- Piston, Connecting Rod, and Bearing Installation
- Piston Selection
- Piston, Pin, and Connecting Rod Installation
- Engine Rear Cover Installation
- Engine Front Cover Installation
- Oil Pan Installation
- Oil Filter, Adapter, Pan Cover Installation
- Valve Lifter Installation
- Cylinder Head Installation - Left
- Cylinder Head Installation - Right
- Valve Rocker Arm and Push Rod Installation
- Valve Rocker Arm Cover Installation - Left
- Valve Rocker Arm Cover Installation - Right
- Engine Valley Cover Installation
- Coolant Air Bleed Pipe Installation
- Intake Manifold Installation
- Fuel Rail and Injectors Installation
- Throttle Body Installation
- Water Pump Installation
- Exhaust Manifold Installation - Left
- Exhaust Manifold Installation - Right
- Engine Flywheel Installation
- Crankshaft Balancer Installation
- Crankcase Ventilation System Description
- Drive Belt System Description
- Camshaft and Drive System
- Crankshaft
- Cylinder Heads
- Engine Block
- Exhaust Manifolds
- Intake Manifold
- Oil Pan
- Piston and Connecting Rod Assemblies
- Valve Rocker Arm Cover Assemblies
- Valve Train
- New Product Information
- Torque Values and/or Fastener Tightening Strategies
- Changed Engine Specifications
- 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 Use and Applying Sealants
- Separating Components
- Cleaning Gasket Surfaces
- Assembling Components
- Pipe Joint Compound
- RTV Sealer
- Anaerobic Sealer
- Tools and Equipment
- Special Tools
- Fastener Tightening Specifications
- Sealers, Adhesives, and Lubricants
- Lubrication Specifications
- Shim Size Specifications
- Extension Housing Removal
- Reverse Shift Fork Removal
- 5th/6th Speed Driven Gear Removal
- Countershaft Extension Removal
- Tools Required
- Guide Plate Removal
- Shift Shaft Assemblies and Gear Cluster Removal
- Reverse Speed Gear Removal
- Transmission Case Removal
- Mainshaft
- Input Shaft
- Countershaft Disassemble
- Countershaft Extension Disassemble
- 1st/2nd, 3rd/4th, 5th/6th Synchronizers
- Synchronizers Cleaning and Inspection
- 1st/2nd Synchronizer
- 3rd/4th, 5th/6th Synchronizers
- Reverse Synchronizer
- 1st/2nd, 3rd/4th Shift Rail Assembly
- 5th/6th, Reverse Shift Rail Assembly
- Shift Rail and Fork Assemblies Cleaning and Inspection (Y Car)
- Shift Rail and Fork Assemblies Cleaning and Inspection (CTSV)
- Transmission Case
- Adapter Plate
- Extension Housing Disassemble (Y Car)
- Extension Housing Disassemble (CTSV)
- Extension Housing Cleaning and Inspection
- Extension Housing Assemble (Y Car)
- Extension Housing Assemble (CTSV)
- Bearings and Spacers Cleaning and Inspection
- Gears Cleaning and Inspection
- Countershaft Extension Assemble
- Countershaft Assemble (Main Shaft)
- Shift Shaft Assemblies and Gear Clusters Installation
- Reverse Lockout Assembly Assemble
- Transmission Case Installation
- Countershaft Extension Installation
- 5th/6th Speed Driven Gear Installation
- Reverse Shift Fork Installation
- Reverse Speed Gear Installation
- Extension Housing Assemble
- Extension Housing Installation
- Input Shaft, Mainshaft, and Countershaft
- Countershaft Extension
- Gear Select - Skip Shift
- Reverse Lockout
- Special Tools
- SPECIAL CARE DURING MECHANICAL REPAIRS
- SYSTEM OPERATION CHECK
- PICKUPS WITH PASSENGER AIR BAG
- ALL MODELS EXCEPT PICKUPS WITH PASSENGER AIR BAG
- VEHICLES WITH PASSENGER PRESENCE SYSTEM
- SERVICE PRECAUTIONS
- DISABLING & ACTIVATING AIR BAG SYSTEM
- SUPPLEMENTAL INFLATABLE RESTRAINT DISABLING & ENABLING ZONES
- ALERO, GRAND AM & MALIBU
- Disabling System
- Activating System
- AVALANCHE, ESCALADE, ESCALADE ESV, ESCALADE EXT, SIERRA, SILVERADO, SUBURBAN, TAHOE, YUKON & YUKON XL
- AVEO
- BLAZER, CANYON, COLORADO, JIMMY, S10 PICKUP & SONOMA
- BRAVADA, ENVOY, ENVOY XUV, TRAILBLAZER, & RAINIER
- CLASSIC
- GTO
- SRX
- XLR
- Fastener Tightening Specifications
- Passenger Car Zoning
- Electrical Symbols
- Basic Knowledge Required
- Checking Aftermarket Accessories
- Circuit Testing
- Using Connector Test Adapters
- Probing Electrical Connectors
- Frontprobe
- Backprobe
- Troubleshooting with a Digital Multimeter
- Tools Required
- Measuring Voltage
- Measuring Voltage Drop
- Measuring Frequency
- Testing for Continuity
- With a DMM
- With a Test Lamp
- Testing for Short to Ground
- Fuse Powering Several Loads
- Testing for a Short to Voltage
- Testing for Intermittent Conditions and Poor Connections
- Testing for Proper Terminal Contact
- Round Wire Connectors
- Flat Wire (Dock and Lock) Connectors
- Inducing Intermittent Fault Conditions
- Salt Water Spray
- High Temperature Conditions
- Low Temperature Conditions
- Testing for Electrical Intermittents
- Scan Tool Snapshot Procedure
- Circuit Protection - Circuit Breakers
- Circuit Protection - Fusible Links
- Repairing a Fusible Link
- Wiring Repairs
- Repairing Damaged Wire Insulation
- Flat Wire Repairs
- Splicing Copper Wire Using Splice Clips
- Splicing Copper Wire Using Splice Sleeves
- Splicing Twisted or Shielded Cable
- Splicing Inline Harness Diodes
- SIR/SRS Wiring Repairs
- SIR/SRS Connector (Plastic Body and Terminal Metal Pin) Repair
- SIR/SRS Wire Pigtail Repair
- SIR/SRS Wire Repair
- SIR/SRS System Wire Splice Repair
- Connector Position Assurance (CPA)
- Terminal Position Assurance (TPA)
- Connector Repairs
- Connector Position Assurance Locks
- Terminal Position Assurance Locks
- Terminal Removal
- Terminal Repair
- Reinstalling Terminal
- Terminal Installation
- Terminal Removal Procedure
- Terminal Repair Procedure
- Weather Pack Connectors
- Power and Grounding Schematic Icons
- Removal Procedure
- Installation Procedure
- Special Tools