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Oldsmobile 98 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Oldsmobile 98 car and truck
repair procedures including Oldsmobile 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 Oldsmobile 98 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Oldsmobile 98 cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> SUNBIRD -> COMPONENT REPLACEMENT -> Coolant Fan Does Not Turn Off w/Engine Coolant Cool, A/C Mode Selector Off & Ignition Switch In Run -> Coolant Fan Does Not Turn On -> Coolant Fan, Replace -> DESCRIPTION -> System Check -> System Diagnosis -> SYSTEM DIAGNOSIS & TESTING -> TROUBLESHOOTING
Vehicle: 1992 Oldsmobile 98 Regency Elite 3.8 V6 GAS
DESCRIPTION
The coolant fan is controlled by the coolant fan relay. The coolant fan relay is electrically operated by the ECM. The ECM receives input signal from the coolant temperature sensor, vehicle speed sensor and the A/C mode selector. The ECM activates the coolant fan relay when engine coolant, which is sensed by the coolant temperature sensor, is above 227°F, when A/C is turned on and when coolant temperature sensor fails. Any of these input signals causes the ECM to ground circuit 335. With circuit 335 grounded, the coolant fan relay is energized and its contacts cl...
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BRAKE SERVICE PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Oldsmobile 98 cars and light trucks from 1990+.
Anti-lock Brakes -> Bonneville, Eighty Eight, LeSabre, Ninety Eight, Park Avenue, 1992 DeVille & Fleetwood (FWD) (Teves Type) -> Description -> BRAKE WARNING LAMP -> ELECTRONIC BRAKE CONTROL MODULE (EBCM) -> WHEEL SPEED SENSORS
Vehicle: 1992 Oldsmobile 98 Regency Touring 3.8 V6 GAS
Refer to Fig. , for overview of anti-lock brake system.
The purpose of the anti-lock brake system is to prevent wheel lock-up under heavy braking conditions, on virtually any road surface. When a wheel locking condition exists, the pressure modulator valve (PMV) assembly isolates each wheel hydraulic circuit, then begins modulation of fluid pressure to each wheel according to wheel speed input to the EBCM. The PMV is controlled by the Electronic Brake Control Module (EBCM).
Modulation occurs by means of three ABS modes: pressure hold, pressure reduce and pressure increase. The PMV ass...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Oldsmobile 98 cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
Vehicle: 1993 Oldsmobile 98 Regency Touring 3.8 V6 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 v...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Oldsmobile 98 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 1994 Oldsmobile 98 Regency Elite 3.8 V6 GAS
- Raise and support vehicle, then remove tire and wheel assembly.
- Install a brass drift or a screwdriver to prevent rotor from turning.
- Remove shaft nut and washer.
- Remove brake caliper from steering knuckle and suspend caliper assembly.
- Remove rotor from hub and bearing assembly, then stabilizer shaft or link from control arm.
- Remove ball joint from steering knuckle.
- Remove drive axle from transaxle using axle shaft remover tool No. J-33008, a...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Oldsmobile 98 cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1993 Oldsmobile 98 Regency Touring 3.8 V6 GAS
When removing starter, note if any shims are used between the starter and mounting surface. If shims are found, reinstall in original locations.
If starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to the outer bolt. If starter makes a high pitched whine after engine start, add .01...
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MAINTENANCE LAMP RESET PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Oldsmobile 98 cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Cars -> Check Fuel Cap Lamp ->
Vehicle: 1991 Oldsmobile 98 Regency Touring 3.8 V6 GAS
The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the on position as a bulb check. If...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Oldsmobile 98 cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1994 Oldsmobile 98 Regency 3.8 V6 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator using hose clamp pliers.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from water pump housing using hose clamp pliers.
- Remove radiator outlet hose from water pump housing and from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR Oldsmobile 98 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Oldsmobile 98 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1993 Oldsmobile 98 Regency Elite 3.8 V6 GAS
- Rotate tensioner counterclockwise, using a suitable tool to re...
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COMPONENT LOCATION DIAGRAMS FOR Oldsmobile 98 AUTOMOBILES
Component location diagrams for most Oldsmobile 98 cars and light trucks sold in the U.S. from 1990+.
 LH Rear Of Engine Diagram for 1991 Oldsmobile 98 Regency Touring 3.8 V6 GASComponents on diagram: |
 A/C Coolant Fan Pressure Switch Diagram for 1990 Oldsmobile 98 Regency 3.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Oldsmobile 98 AUTOMOBILES
OEM drawn wiring diagrams for most Oldsmobile 98 cars and light trucks sold in the U.S.
 1996 Oldsmobile 98 Regency Elite 3.8 V6 GAS Wiring DiagramComponents on diagram: |
 1990 Oldsmobile 98 Regency Touring 3.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Oldsmobile 98 AUTOMOBILES
OEM TSB listings for most Oldsmobile 98 cars and light trucks sold in the U.S. from 1985+.
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Document: GENERAL MOTORS POSITION STATEMENT ON INSTALLATION OF USED, SALVAGED, OR IMITATION AIR BAG SYSTEM COMPONENTS Vehicle: 1993 Oldsmobile 98 Regency Elite 3.8 V6 GAS Auto Systems: |
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Document: 4T60 - NEW 1-2 BAND ASSY - 1-2 BAND STOP NOT NEEDED Vehicle: 1988 Oldsmobile 98 Regency Touring 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Oldsmobile 98 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Oldsmobile 98 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 Oldsmobile 98 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 Oldsmobile 98 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 Oldsmobile 98 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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