2007 CADILLAC STS transmission

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough
room around the vehicle.
2. Firmly apply both the parking brake and the
regular brake. SeeParking Brake on
page 121.
Do not use the accelerator pedal, and be
ready to turn off the engine immediately if
it starts.
3. Try to start the engine in each gear. The
vehicle should start only in PARK (P) or
NEUTRAL (N). If the vehicle starts in any
other position, contact your GM Goodwrench
®
dealer for service.
Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough
room around the vehicle. It should be parked
on a level surface.
2. Firmly apply the parking brake. SeeParking
Brake on page 121.
Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off and without applying the
regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift
lever moves out of PARK (P), contact your
GM Goodwrench
®dealer for service.
514

Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your
vehicle could begin to move. You or
others could be injured and property
could be damaged. Make sure there is
room in front of your vehicle in case it
begins to roll. Be ready to apply the
regular brake at once should the vehicle
begin to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular
brake, set the parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure
from the regular brake pedal. Do this until the
vehicle is held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to
PARK (P). Then release the parking brake
followed by the regular brake.
Contact your GM Goodwrench
®dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take
care to clean thoroughly any areas where mud and
other debris can collect.
515

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name,
part number, or specication can be obtained from
your dealer.
Usage Fluid/Lubricant
Engine OilThe engine requires a special
engine oil meeting GM Standard
GM4718M. Oils meeting this
standard can be identied as
synthetic, and should also be
identied with the American
Petroleum Institute (API) Certied
for Gasoline Engines starburst
symbol. However, not all synthetic
API oils with the starburst symbol
will meet this GM standard. You
should look for and use only oil that
meets GM Standard GM4718M. GM
Goodwrench
®oil meets all the
requirements for your vehicle. For
the proper viscosity, seeEngine Oil
on page 380.
Engine Cooling
System50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 389.
Usage Fluid/Lubricant
Intercooler
System
(4.4L V8
Supercharged
engine)50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherGM Optikleen
®Washer Solvent.
Parking Brake
Cable GuidesChassis Lubricant
(GM Part No. U.S. 12377985,
in Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184,
in Canada 89021186).
Automatic
TransmissionDEXRON
®-VI Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
SuperchargerSupercharger Oil
(GM Part No. U.S. 12345982,
in Canada 10953513). See
Supercharger Oil on page 385
516

Usage Fluid/Lubricant
Rear AxleSAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. U.S. 12378261,
in Canada 10953455) meeting
GM Specication 9986115.
Front Axle
(All-Wheel
Drive)SAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. U.S. 12378261,
in Canada 10953455) meeting
GM Specication 9986115.
Transfer Case
(All-Wheel
Drive)Manual Transmission Fluid
(GM Part No. U.S. 88861800,
in Canada 88861801).Usage Fluid/Lubricant
Hood Latch
Assembly,
Secondary
Latch, Pivots,
Spring
Anchor, and
Release PawlLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293,
in Canada 992723) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood and Door
HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip
ConditioningWeatherstrip Lubricant
(GM Part No. U.S. 3634770,
in Canada 10953518) or
Dielectric Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
517

In Canada, please call us at 1-888-446-2000.
Or, write:
Canadian Cadillac Customer Communication
Centre, CA1-163-005
General Motors of Canada Limited
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle
suspension, brakes, electrical, steering, body, etc.
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit
repair service procedures, adjustments, and
specications for GM transmissions, transaxles,
and transfer cases.
Service Bulletins
Service Bulletins give technical service information
needed to knowledgeably service General
Motors cars and trucks. Each bulletin contains
instructions to assist in the diagnosis and service
of your vehicle.
In Canada, information pertaining to Product
Service Bulletins can be obtained by contacting
your General Motors dealer or by calling
1-800-GM-DRIVE (1-800-463-7483).
543

Appearance Care (cont.)
Vehicle Care/Appearance Materials.......... 484
Washing Your Vehicle.............................. 480
Weatherstrips........................................... 480
Windshield and Wiper Blades................... 481
Wood Panels........................................... 479
Ashtray(s).................................................... 229
Audio System(s).......................................... 280
Audio Steering Wheel Controls................. 310
Care of Your CD Player........................... 313
Care of Your CDs.................................... 313
Diversity Antenna System......................... 314
Navigation/Radio System, see
Navigation Manual................................ 305
Audio Systems
Radio Personalization............................... 305
Audio System(s)
Radio with CD......................................... 282
Setting the Time...................................... 281
Theft-Deterrent Feature............................ 309
Understanding Radio Reception............... 312
XM™ Satellite Radio Antenna System...... 314
Automatic Transmission
Fluid........................................................ 388
Operation................................................. 116B
Battery........................................................ 408
Electric Power Management..................... 221
Exterior Lighting Battery Saver................. 219
Inadvertent Power Saver.......................... 222
Load Management................................... 221
Before Leaving on a Long Trip.................... 340
Brake
Anti-Lock Brake System (ABS)................. 321
Emergencies............................................ 323
Panic Assist............................................. 327
Parking.................................................... 121
System Warning Light.............................. 248
Brakes........................................................ 405
Braking....................................................... 320
Braking in Emergencies............................... 323
Break-In, New Vehicle................................. 111
Bulb Replacement....................................... 417
Back-Up Lamps....................................... 418
Halogen Bulbs......................................... 418
High Intensity Discharge (HID) Lighting.... 418
Replacement Bulbs.................................. 419
Buying New Tires........................................ 441
546

F
Filter
Engine Air Cleaner................................... 386
Finish Damage............................................ 483
Flashers, Hazard Warning........................... 180
Flash-to-Pass.............................................. 188
Flat Tire...................................................... 451
Flat Tire, Changing...................................... 464
Flat Tire, Storing......................................... 473
Fluid
Automatic Transmission............................ 388
Power Steering........................................ 403
Windshield Washer.................................. 404
Fog Lamp Light........................................... 256
Fog Lamps.................................................. 217
Forward Collision Alert (FAC) System.......... 184
Front Axle................................................... 417
Fuel............................................................ 365
Additives.................................................. 367
California Fuel.......................................... 366
Filling a Portable Fuel Container.............. 371
Filling Your Tank...................................... 368
Fuels in Foreign Countries....................... 368
Gage....................................................... 257
Gasoline Octane...................................... 365
Gasoline Specications............................ 366Fuses
Fuses and Circuit Breakers...................... 487
Rear Underseat Fuse Block..................... 492
Underhood Fuse Block............................. 488
Windshield Wiper..................................... 486
G
Gage
Engine Coolant Temperature.................... 251
Fuel......................................................... 257
Speedometer........................................... 243
Tachometer.............................................. 243
Garage Door Opener..........................135, 136
Gasoline
Octane..................................................... 365
Specications........................................... 366
Glove Box................................................... 146
GM Mobility Reimbursement Program.......... 530
H
Hazard Warning Flashers............................ 180
Head Restraints............................................ 13
Headlamp Wiring......................................... 486
550

Theft-Deterrent Systems.............................. 107
Time, Setting............................................... 281
Tires........................................................... 421
Aluminum or Chrome-Plated Wheels,
Cleaning............................................... 482
Buying New Tires..................................... 441
Chains..................................................... 447
Changing a Flat Tire................................ 464
Cleaning.................................................. 483
Compact Spare Tire................................. 475
Different Size........................................... 443
High-Speed Operation.............................. 432
If a Tire Goes Flat................................... 451
Ination - Tire Pressure............................ 431
Inspection and Rotation............................ 438
Installing the Spare Tire........................... 466
Lifting Your Vehicle.................................. 448
Pressure Monitor System......................... 433
Removing the Flat Tire............................. 466
Removing the Spare Tire and Tools......... 465
Run-Flat................................................... 429
Storing a Flat or Spare Tire and Tools..... 473
Tire Inator Kit......................................... 452
Tire Sidewall Labeling.............................. 423Tires (cont.)
Tire Terminology and Denitions............... 426
Uniform Tire Quality Grading.................... 444
Wheel Alignment and Tire Balance........... 445
Wheel Replacement................................. 445
When It Is Time for New Tires................. 440
Winter Tires............................................. 422
Towing
Recreational Vehicle................................. 355
Towing a Trailer....................................... 357
Your Vehicle............................................. 355
Traction
Control System (TCS).............................. 323
Control System Warning Light.................. 250
Limited-Slip Rear Axle.............................. 325
Magnetic Ride Control.............................. 325
StabiliTrak
®System................................. 326
Transmission
Fluid, Automatic....................................... 388
Transmission Operation, Automatic.............. 116
Trunk.......................................................... 101
Turn and Lane-Change Signals................... 182
Turn Signal/Multifunction Lever.................... 182
Twilight Sentinel
®........................................ 218
558