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1998 Buick Regal CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick 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
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
Component Replacement & Adjustment -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> HVAC Module, Replace
Vehicle: 1998 Buick Regal LS 3.8 V6 GAS
- Recover refrigerant as outlined under .
- Remove diagonal brace from front lefthand side of engine compartment.
- Disconnect A/C lines at evaporator block fitting.
- Disconnect heater hoses from heater core.
- Remove instrument panel as outlined under "Dash Panel, Replace."
- Remove left and right instrument panel air distribution ducts.
- Disconnect fuse blocks from cross vehicle beam.
- Remove righthand knee bolster bracket assembly.
- Position body control module away from cross-vehicle beam.
- Remove stop lamp and cruise release switches.
- Di...
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BRAKE SERVICE PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
Hydraulic Brake Systems -> Troubleshooting -> Master Cylinder Internal Fluid Leakage Check -> Road Test
Vehicle: 1998 Buick Regal LS 3.8 V6 GAS
When troubleshooting the hydraulic brake system, perform the following checks and inspections as outlined below. If problem still exists within system, refer to Fig. first, then to Figs. and as necessary.
Master Cylinder Internal Fluid Leakage Check
Start engine and depress the brake pedal. If the pedal gradually falls under constant pressure, the hydraulic system may be leaking. Raise the vehicle on a lift and check all tubing lines and backing plates for signs of leakage. It may be necessary to ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Buick Regal 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: 1998 Buick Regal LS 3.8 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1998 Buick Regal LS 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 axle nut and washer.
- Remove ball joint pinch bolt, then using a suitable pry bar, separate ball joint from knuckle.
- Remove drive axle from hub and bearing assembly using front hub spindle remover t...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
Starter, Replace
Vehicle: 1998 Buick Regal LS 3.8 V6 GAS
- Disconnect battery ground cable.
- Remove cooling fan assembly.
- Rotate or lift belt tensioner arm, using a suitable tool to relieve tension from drive belt.
- Remove serpentine drive belt.
- Remove A/C compressor upper support brace.
- Lay A/C compressor in fan opening.
- Raise and suppor...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1997-2005 Century, Regal, 1998-2002 Intrigue & 2000-05 Impala & Monte Carlo
Vehicle: 1998 Buick Regal LS 3.8 V6 GAS
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.
- Place the windshield wipers in the up position by turning the ignition switch Off when the wipers reach the desired position.
- Open the hood.
- Lift the righthand side of the rear hood seal from the flange in the area of the rig...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
General Motors Corp./Saturn Cars -> Traction Control System (TCS) Warning Lamp ->
Vehicle: 1998 Buick Regal GS 3.8 V6 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the warni...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1998 Buick Regal GS 3.8 V6 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at water inlet pipe using hose clamp pliers.
- Remove heater inlet hose from water inlet pipe.
- Reposition heater core inlet hose clamp at heater core using hose clamp pliers.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Drain cooling system into a suitable container.
- Reposition heater hose outlet clamp at water outlet pipe using hose clamp pliers.
- Disconnect heater outlet hose from water outlet pipe.
- Reposition heater...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Buick Regal AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Buick Regal GS 3.8 V6 GAS
- Remove the battery.
- Rotate the tensioner counterclockwise to remove the drive belt.
- Remove the supercharger belt from...
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COMPONENT LOCATION DIAGRAMS FOR 1998 Buick Regal AUTOMOBILES
Component location diagrams for most 1998 Buick Regal cars and light trucks sold in the U.S. from 1990+.
RH Side Of Passenger Compartment Diagram for 1998 Buick Regal LS 3.8 V6 GAS Components on diagram: |
Front Center Of Engine Compartment Diagram for 1998 Buick Regal LS 3.8 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1998 Buick Regal AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Buick Regal cars and light trucks sold in the U.S.
1998 Buick Regal GS 3.8 V6 GAS Wiring Diagram Components on diagram: |
1998 Buick Regal GS 3.8 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Buick Regal AUTOMOBILES
OEM TSB listings for most 1998 Buick Regal cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 1998 Buick Regal GS 3.8 V6 GAS Auto Systems: |
Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 1998 Buick Regal GS 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Buick Regal AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 Buick Regal 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 1998 Buick Regal 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 1998 Buick Regal 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 1998 Buick Regal 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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