2004 Cadillac CTS REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

Auto Parts Search


2004 Cadillac CTS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Cadillac CTS car and truck repair procedures including Cadillac engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Cadillac CTS automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >
Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Cadillac mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2004 Cadillac CTS vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

Electric Cooling Fans -> CTS -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable
Vehicle: 2004 Cadillac CTS V 5.7 V8 GAS

Air Bag System Disarming & Arming

Refer to and for air bag system disarming and arming proced...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS A/C & HEATER SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

Disc Brakes -> AC-Delco Single Piston Rear Disc Brake -> Rotor, Replace -> All Models Except Century, Grand Prix & Regal -> Century, Grand Prix & Regal
Vehicle: 2004 Cadillac CTS 3.6 V6 GAS

All Models Except Century, Grand Prix & Regal

  • Raise and support vehicle.
  • Mark wheel to axle flange relationship for installation alignment, then remove wheel and tire assembly.
  • Remove brake hose from caliper. Plug openings in caliper and brake hose.
  • Lift able spring to free end of from lever, then disconnect parking brake cable from lever.
  • Remove cable support bracket mounting bolt and washer.
  • Remove sleeve bolt and caliper.
  • Remove mounting bolts and caliper mounting bracket.
  • Remove rotor from hub and bearing.
  • Reverse procedure to...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
Vehicle: 2004 Cadillac CTS 3.6 V6 GAS

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 2004 Cadillac CTS V 5.7 V8 GAS

  • Raise and support vehicle.
  • Remove tire and wheel assembly.
  • Insert a drift or punch into brake rotor and against caliper in order to prevent wheel hub and bearing from turning.
  • Remove and discard wheel drive shaft spindle nut.
  • Remove drift or punch from rotor.
  • Remove rear knuckle assembly.
  • Using a suitable tool, carefully release wheel drive shaft from rear differential enough to install seal...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

Reset Procedures
Vehicle: 2004 Cadillac CTS 3.6 V6 GAS

The Tire Pressure Monitor system warns the driver when a significant loss, or gain of tire...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS TIRE PRESSURE MONITORING SYSTEM PROCEDURES

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

Alternator, Replace
Vehicle: 2004 Cadillac CTS 3.6 V6 GAS

  • Disconnect battery ground cable.
  • Rotate or lift belt tensioner arm, using a suitable tool to relieve tension from drive belt.
  • Remove drive belt.
  • Install suitable engine support tool.
  • Raise and support vehicle.
  • Disconnect alternator electrical connector.
  • Position alternator output BAT terminal boot aside, then remove terminal nut and disconnect battery positive lead from alternator.
  • D...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS STARTER & ALTERNATOR REPLACEMENT PROCEDURES

CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

Cabin Air Filter Service -> General Motors Corp./Saturn -> 2003-09 CTS
Vehicle: 2004 Cadillac CTS 3.6 V6 GAS

On 2003-07 models, under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.

On 2008-09 models, under normal operating conditions the cabin air filter should be replaced every 25,000 miles. In dusty areas change the cabin air filter more often.

  • Open the hood.
  • Remove the rear hood seal from flange on the passenger side air inlet grille panel.
  • Remove the four screws retaining the passenger side air inlet grille panel to the cowl panel.
  • Lift the passenger side air inlet grille panel and pull inward to...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

General Motors Corp./Saturn Cars -> Service Air Cond Lamp -> Cadillac
Vehicle: 2004 Cadillac CTS 3.6 V6 GAS

This lamp should light when the A/C system detects a low refrigerant charge. The lamp should light for approximately two seconds after ignition has been turned on as a bulb inspection.

If while operating vehicle, the lamp lights for approximately 60 seconds and then goes off, the refrigerant level is low enough to cause reduced cooling capacity. At this point the blower motor will increase speed to try to offset the loss in cooling capacity. The lamp will be automatically reset after system has been inspected and refrigerant c...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Cadillac CTS V 5.7 V8 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Raise and support vehicle. A mirror is needed to see bolt, which is located next to engine at base of head and at top of transmission bell house.
  • Remove lower bolt from heater pipe assembly at thermostat assembly.
  • Lower vehicle.
  • Remove cover assembly to engine intake manifold.
  • Remove battery tray.
  • Remove lower bolt securing battery tray to panel assembly on front air inlet housing.
  • Remove nuts securing panel assembly to front of dash.
  • Remove panel assembly from vehicle.
  • Reposition heater hose inlet clamp at heater pipe using hose ...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Cadillac CTS AUTOMOBILES

Serpentine Drive Belt, Replace -> Air Conditioning Compressor and Power Steering Pump -> Water Pump and Alternator
Vehicle: 2004 Cadillac CTS 3.6 V6 GAS

Water Pump and Alternator

  • Remove front compartment sight shield as required.
  • Rotate drive belt tensioner clockwise to release drive belt tension.
  • Slide drive belt off of water pump pulley.
  • Slowly release drive belt tensioner.
  • Remove drive belt from accessory drive pulleys.
  • Reverse procedure to install.

Air Conditioning...

CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 2004 Cadillac CTS AUTOMOBILES

Component location diagrams for most 2004 Cadillac CTS cars and light trucks sold in the U.S. from 1990+.

Speakers Diagram for 2004 Cadillac CTS  3.2 V6 GASSpeakers Diagram for 2004 Cadillac CTS 3.2 V6 GAS

Components on diagram:
  • Speaker
  • Sunload Sensor Assembly
  • Door Speaker Connector
  • Door Speaker
  • Door
  • Right Rear Of Engine Diagram for 2004 Cadillac CTS  3.6 V6 GASRight Rear Of Engine Diagram for 2004 Cadillac CTS 3.6 V6 GAS

    Components on diagram:
  • EVAP Canister Purge Solenoid Valve
  • Intake Manifold Runner Control Solenoid
  • CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2004 Cadillac CTS AUTOMOBILES

    OEM drawn wiring diagrams for most 2004 Cadillac CTS cars and light trucks sold in the U.S.

    2004 Cadillac CTS V 5.7 V8 GAS Wiring Diagram2004 Cadillac CTS V 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Radio Antenna Module
  • Radio
  • Radio Rear Glass Antenna
  • 2004 Cadillac CTS  3.2 V6 GAS Wiring Diagram2004 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Sunload Sensor
  • HVAC Control Module
  • Dash Integration Module
  • Turn Signal/Multifunction Switch
  • CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2004 Cadillac CTS AUTOMOBILES

    OEM TSB listings for most 2004 Cadillac CTS cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2004 Cadillac CTS 3.2 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: Squeak/Creak Type Noise from Front of Vehicle When Braking or Turning
    Vehicle: 2004 Cadillac CTS 3.2 V6 GAS

    Symptoms:
  • Noise
  • Auto Systems:
  • Brakes, Power Brakes, Traction Control
  • Steering, Suspension
  • CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2004 Cadillac CTS AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Cadillac CTS cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2004 Cadillac CTS cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2004 Cadillac CTS cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2004 Cadillac CTS cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO 2004 Cadillac CTS SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2004 Cadillac CTS vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find