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1991 Cadillac Seville CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> Allante & 1990-92 Fleetwood & 1990-2002 Cadillac DeVille, Eldorado & Seville
Vehicle: 1991 Cadillac Seville 4.9 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston w/Dual Mounting Bolts (Type 4) -> REAR BRAKE ASSEMBLY -> BRAKE SHOE & LINING INSTALLATION -> BRAKE SHOE & LINING REMOVAL -> Bushing & Boot Replacement -> CALIPER ASSEMBLY -> CALIPER DISASSEMBLY -> CALIPER INSTALLATION -> CALIPER REMOVAL -> Installation -> MOUNTING BRACKET SERVICE -> Removal
Vehicle: 1991 Cadillac Seville 4.9 V8 GAS
CALIPER REMOVAL
- Drain approximately2/3 of brake fluid from master cylinder assembly.
- Raise and support vehicle, then remove tire and wheel assembly.
- Loosen tension on parking brake cable at equalizer.
- Remove retaining clip from parking brake lever, if equipped, disconnect cable, then remove spring and damper, Fig. .
- Hold parking brake lever, remove locknut.
- Remove lever, lever seal, and anti-friction washer.
- Bottom piston into caliper bore to provide clearance between linings and rotor.
- Reinstall anti-friction washer, lever seal (sealing bead against housing), lever, and locknut.
- If ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 1991 Cadillac Seville STS 4.9 V8 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strateg...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Cadillac Seville STS 4.9 V8 GAS
- Raise and support vehicle, then remove tire and wheel assembly.
- Install a brass drift or a screwdriver to prevent rotor from turning.
- Remove axle nut and washer.
- Remove stabilizer shaft or link from control arm.
- Remove nut from ball joint, then separate ball joint from steering knuckle using separator tool No. J-36226, or equivalent.
- Remove drive axle from hub and bearing assembly using front ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
Alternator, Replace
Vehicle: 1991 Cadillac Seville STS 4.9 V8 GAS
- Disconnect battery ground cable.
- Remove accessory drive belt.
- Remove upper front bolt.
- Remove radiator.
- Raise and suitably support vehicle.
- Remove front engine splash shield.
- Loosen rear alternator bracket from engine.
- Remove top bolt.
- Remove front lower mounting bolt.
- Remove lower rear mounting bolt.
- Remove upper rear mounting bolt.
- Remove duct from back of alternator.
- Disconnect regulator electrical connectio...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
General Motors Corp./Saturn Cars -> Reduce Engine Power Indicator Lamp ->
Vehicle: 1991 Cadillac Seville STS 4.9 V8 GAS
The Reduce Engine Power indicator lamp should light for a approximately 3 seconds when the ignition is turned on as a bulb check. If the warning lamp turns on during vehicle operation, a vehicl...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Cadillac Seville 4.9 V8 GAS
- Disconnect battery ground cable from battery.
- Drain coolant into a suitable container.
- Remove plastic radiator support cover.
- Remove rear cooling fan.
- Remove coolant reservoir hose from radiator filler neck.
- Remove upper radiator hose.
- Remove lower radiator hose.
- Remove engine oil cooler lines from radiator.
- Remove transaxle oil c...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Cadillac Seville AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Cadillac Seville 4.9 V8 GAS
- Disable airbag system.
- Rotate belt tensioner upward from drive bel...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Cadillac Seville AUTOMOBILES
Component location diagrams for most 1991 Cadillac Seville cars and light trucks sold in the U.S. from 1990+.
Behind LH Side Of I/P Diagram for 1991 Cadillac Seville STS 4.9 V8 GAS Components on diagram: |
Behind RH Side Of I/P Diagram for 1991 Cadillac Seville 4.9 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Cadillac Seville AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Cadillac Seville cars and light trucks sold in the U.S.
1991 Cadillac Seville STS 4.9 V8 GAS Wiring Diagram Components on diagram: |
1991 Cadillac Seville STS 4.9 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Cadillac Seville AUTOMOBILES
OEM TSB listings for most 1991 Cadillac Seville cars and light trucks sold in the U.S. from 1985+.
Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1991 Cadillac Seville 4.9 V8 GAS Auto Systems: |
Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1991 Cadillac Seville 4.9 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Cadillac Seville AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Cadillac Seville 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 1991 Cadillac Seville 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 1991 Cadillac Seville 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 1991 Cadillac Seville 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
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