1994 CADILLAC SEVILLE torque

Downloaded from www.Manualslib.com manuals search engine leave it. After you’ve moved the shift lever into the “P” (Park) position,
hold the regular brake pedal down. Then, see
if you can move the shift
lever away from “P” (Park) without first pulling it toward you (or, if you
have the console shift lever, without first pushing the button).
If you can,
it means that the shift lever wasn’t fully locked into “P7’ (Park).
SHIFTING OUT OF “P” (PARK)
Your Cadillac has a brake-transaxle shift interlock. You have to fully
apply your regular brake before you can shift from “P” (Park) when the
ignition is in the “Run” position. See “Automatic Transaxle” in the Index.
If you cannot shift out
of “P’7 (Park), ease pressure on the shift lever --
push the shift lever all the way into “P” (Park) and also release the shift
lever button on floor shift models
as you maintain brake application.
Then move the shift lever into the gear you want. (Press the shift lever
button before moving the shift lever.) If you ever hold the brake pedal
down but still can’t shift out of “P” (Park),
try this:
1. Turn the key to “Off.” Open and close the driver’s door to turn off the
2. Apply and hold the brake until the end of Step 4.
3. Shift to “N” (Neutral).
Retained
Accessory Power feature.
4. Start the vehicle and then shift to the drive gear you want.
5. Have the vehicle fixed as soon as you can.
Torque Lock (Automatic Transaxle)
If you are parking on a hill and you don’t shift your transaxle into “P”
(Park) properly, the weight
of the vehicle may put too much force on the
parking pawl in the transaxle. You may find it difficult to pull the shift
lever out
of “P” (Park). This is called “torque lock.” To prevent torque
lock, always
be sure to shift into “P” (Park) properly before you leave the
driver’s seat. To find out how, see “Shifting Into ‘P’ (Park)” in the Index.
If “torque lock” does occur, you may need to have another vehicle push
yours a little uphill to take some
of the pressure from the transaxle, so
you can pull the shift lever out of “P” (Park).
97

Downloaded from www.Manualslib.com manuals search engine The STS tire pressures are:
Front - 29 psi (200 kPa)
Rear - 29 psi (200 kPa)
STS recommended tire size is:
Eagle GA (2-Rated) Blackwall (P225/60ZR16)
Don’t forget your compact spare tire. It should be at 60 psi
(420 kPa).
Tire Inspection and Rotation
To make your tires last longer, have them inspected and rotated at the
mileages recommended
in the Maintenance Schedule. See “Scheduled
Maintenance Services”
in the Index.
Use this rotation
pattern.
After the tires have been rotated, adjust the front and rear inflation
pressure as shown
on the Tire-Loading Information label. Make certain
that all wheel nuts are properly tightened. See “Wheel Nut Torque” in the
Index.
292

Downloaded from www.Manualslib.com manuals search engine DISTR PCM (IGN) IGN 1
, PC';":"), RTD BATT
~-1nmmmrl
A/C COMP HDLPS STOP LP TURNIHAZ
HTD
W/S LR STRUT RR STRUT LF STRUT RFSTRUT
LHDLPLO RHDLPLO LHDLPHI RHDLPHI
IGN
3 COOL FAN TRANS
~mmmrnmm~
FUSE CENTER IDENTIFICATION I
ENGINE COMPARTMENT FUSE BLOCK
DISTR 20A
SIR 20A - IGNITION CONTROL MODULE
- DIAGNOSTIC/ENERGY RESERVE
- DUAL POLE AR d ING SENSOR
MODULE (DERM PCM
(ION 1OA - PowEATmIN CONTROL MODULE - PASS-KevB DECODER MODULE INJ 1OA
- 1,4,6, AND 7 FUEL INJECTORS
- 2,3,5, AND 8 FUEL INJECTORS
- - - - - __ -
INJ 1OA
ION 1 1OA
- NC REFRIGERANT PRESSURE SWITCH ~~ ~
- TRANSAXLE RANGE SWITCH - STOP/BTSI/CRUISE BRAKE SWITCH - INSTRUMENT PANEL CLUSTER - KEYLESS ENTRY MODULE - DIAGNOSTWENERGY RESERVE MODULE
FERMl ~ ~. - ORN RING LIGHTS
- TURN/HAZARD SWITCH ASSY - CHIME MODULE - HEADLIGHT SWITCH - mlUGHT SEUTINEUDRL MODULE FUEL PUMP 20A
STOP LP 20A - STOP/BTSI/CRUISE SWITCH - STOPLIGHT SWITCH CAPACITOR TURN/HAZ 20A - HAZARD FLASHER - TURN FLASHER RELAY - TURN FLASHER MODULE ~ ~~ ~ ~~ DRL 1 OA (CANADA)
DRL 1OA (CANADA)
HTD
W/S 1OA
- DAMIME RUNNING LIGHTS (CANADA)
- LEFT AND RIGHT LO BEAM HEADLAMP
- HEATED WINDSHIELD CONTROL MODULE L HDLP LO 10A
R HDLP LO 1OA - LEFT LO BEAM HEADLAMP
- RIGHT LOBEAM HEADLAMP L HDLP HI 10A
R HDLP HI 1OA - LEFT HI BEAM HEADLAMP
- RIGHT HI BEAM HEADLAMP ION 3 -1 OA - REAR DEFOGGER RELAY - ELECTRONIC LEVEL CONTROL (ELC) - HEATED WINDSHIELD - HEATER AND A/C PROGRAMMER
COOLING FAN 10A - CRUISE CONTROL
- EXTENDED TRAVEL BRAKE SWITCH - POWERTRAIN CONTROL MODULE (PCM) - COOLING FAN RELAYS 1.2. AND 3
- PUMP^
- OIL PRESSURE SWITCH - POWERTRAIN CONTROL MODULE (PCM)
- POWERTRAIN CONTROL MODULE (PCM) PCM (BAT) 1OA
RTD BAT) 20A - FRONT AND REAR HEATED-OXYGEN SENSOR
A/C COMP 10A
HDLPS 3OA - EXHAUST GAS RECIRCULATION (EGR) VALVE
- SENSING SUSPENSlON (RSS) MODULE MODULE (EXPORT)
- NC COMPRESSOR CLUTCH - POWER STEERING PRESSURE SWITCH
- HEADLIGHT DIMMER SWITCH - TRANSAXLE SHIFT SOLENOIDS A & B - HEADLIGHT RELAY "D" (ENGINE COME - EVAPORATIVE EMISSION CONTROL
- DRL HEADLIGHT RELAY "E" (WITH DAYTIME - POWERTRAIN CONTROL MODULE (PCM)
- POWERS C13 - TCC BRAKE SWITCH
MICRO RELAY CENTER)
SOLENOID
RUNNING LIGHTS) - TORQUE CONVERTER CLUTCH SOLENOID
312

Downloaded from www.Manualslib.com manuals search engine 4T80E Transaxle
The Hydra-Matic 4T80E transaxle has been designed to complement the
output characteristics of the Northstar engine. The innovative design
incorporates several features which enhance its overall operation.
This transaxle is the first
of a new generation of “SMART” transmissions.
The computer which controls the electronic shift solenoids adapts to
changing environments while you drive. This provides consistent high
quality shifts under all conditions. Communication between the engine
and transaxle through this computer controls engine output during
activation
of torque management or traction control. Smooth shifting is
ensured by design. Hydraulic accumulators control shift pressures and all
shifts are made to free wheeling elements.
The 4T80E uses a
dry sump lubrication system with a scavenger pump.
This unique feature er,ables the transaxle to maintain adequate
pressurized oil supply during all maneuvers.
320
l-
l-

Downloaded from www.Manualslib.com manuals search engine Spirited performance with very efficient cruising operation are provided
by the combination
of 4 speed overdrive gearing, a torque converter
clutch, with a
3.71:l final drive ratio on the STS and a viscous converter
clutch with a
3.11:l final drive ratio on the Seville SLS.
Front Suspension
Your fully independent front suspension is a combination strut and spring
design. The frame is isolated from the body with
six rubber mounts.
Rubber bushings are used at the lower control arm pivots. The upper end
of the strut is isolated by a rubber mount which contains a bearing to
allow for wheel turning. The Road Sensing Suspension automatically
controls the damping rate of the struts.
The lower end of the steering knuckle pivots on a ball joint riveted to the
control arm. The ball joint
is connected to the steering knuckle with a
castellated nut and cotter pin.
321

Downloaded from www.Manualslib.com manuals search engine rack. The rack piston converts hydraulic pressure to a linear force which
moves the rack left or right. The force is then transmitted through the
inner and outer tie rods to the steering knuckles, which turn the wheels.
If hydraulic assist is not available, manual control is maintained. However
under these conditions more steering effort is required.
4.6 LITER NORTHSTAR ENGINE
Displacement ............................... .4.6L (279 cu.in.)
No. of Cylinders .............................. 8 - 90 Degree V
Power (ACC. to
SAE 51349) ............... 270 (bhp) @ 5600 rpm
Torque (ACC. to
SAE 51349) ............ 300 (lbs. ft.) @ 4000 rpm
SLS
...................................... 204 (kW) @ 5600 rpm
...................................... 407(N*m) @ 4000 rpm
STS
Power (ACC. to SAE 51349) .1. ............ 295 (bhp) @ 6000 rpm
Torque (ACC. to
SAE 51349) ............ 290 (lbs. ft.) @ 4400 rpm
...................................... 220 (kW) @ 6000 rpm
...................................... 393 (Nom) @ 4400 rpm
Bore
........................................ 93mm (3.66 in.)
Stroke
...................................... .84mm (3.31in.)
Compression Ratio
................................... 10.3:l
Cylinder Heads
............................... Cast Aluminum
Cylinder Block
...... Die Cast
Aluminum with Iron Cylinder Bores
Intake Manifold
............ Die Cast Magnesium / Thermoplastic
........................................ Air Induction Tubes
Valve System
................... Direct Acting Hydraulic Tappets
Intake Valve
................................. 33mm (1.29 in.)
Exhaust Valve
................................ 29mm (1.14 in.)
Firing Order
.................................. 1-2-7-3-4-5-6-8
Pistons
...................................... Cast Aluminum
Left Bank
.......................................... 2-4-6-8
324

Downloaded from www.Manualslib.com manuals search engine Right Bank ......................................... 1-3-5-7
Camshaft
................... Induction Hardened Cast Grey Iron
Drive Type
........ Single Row / Staged Drive 8 mm Roller Chain
Main Bearings
......................................... Five
ENGINE LUBRICATION SYSTEM
Type of Intake ..................................... Stationary
Filter System
...................................... Full-Flow
ENGINE COOLING SYSTEM
Surge Tank Cap Relief Pressure ............... 15.0 psi (103 kPa)
Water Pump
Type ................................. Centrifugal
Drive Belt
....................................... Serpentine
Radiator Core
................................... Aluminum
Radiator Cooling Fans (2)
............................ Electric
Thermostat Starts
To Open
................ 192-199°F (89-93 "C)
FUEL SYSTEM
Induction Type ............ Sequential Port Fuel Injection (SPFI)
System Pressure .................... .33.4-43.5 psi (230-300 kPa)
Idle Speed
.................................. ECM Controlled
Filter Type
............................... Paper Type Element
Fuel Pump
................................. Electric (In Tank)
Fuel Required
................. Premium Unleaded (91 Octane)
AUTOMTIC TRANSAXZE
SLS (Trade Name ) ....................... Hydra- Matic 4TSOE
Type
..................................... 4-Speed Automatic
.................................... Viscous Converter Clutch
STS (Trade Name
) ....................... Hydra- Matic 4T80E
Type ..................................... 4-Speed Automatic
.................................... Torque Converter Clutch
325

Downloaded from www.Manualslib.com manuals search engine FLUID CAPACITIES
Transaxle (4T80E) .............................. 30 pts. (14 L)
Engine Oil
................................... 7.0 qts. (6.6 L)
With Filter Change
............................ 7.5 qts. (7.2 L)
Engine Cooling System ....................... 12.5 qts. (11.8 L)
Fuel Tank .................................. 20 gallons (76 L)
Power Steering
.............................. 1.3 quarts (1.2 L)
Windshield Washer Reservoir
.................. 4.2 quarts (4.1 L)
TIGHTEN TORQUE
Spark Plugs ................................ 15 Nom
Oil Pan Drain Plug
.......................... 20N-m
VEHICLE DIMENSIONS
(11 lbs. ft.)
(15 Ibs. ft.)
SLS/STS
Shipping Weight (SLS)
Shipping Weight (STS)
Wheel Base
..........
Length ..............
Height ..............
Width ...............
.................... 3740 lbs. (1696.4 kg)
.................... 3802 lbs. (1724.3 kg)
...................... 111 in. (2819 mm)
.................... .204.1 in. (5183 mm)
..................... .54.5 in. (1384 mm)
..................... .74.2 in. (1884 mm)
Front Track
............................... .60.9 in. (1546 mm)
Rear Track
............................... .60.9 in. (1546 mm)