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1998 Buick Lesabre 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
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1998 Buick Lesabre AUTOMOBILES
Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
Vehicle: 1998 Buick Lesabre Custom 3.8 V6 GAS
Passenger Cars
The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.
Achieva & Skylark
1994-96
- Ensure front wheels are in straight-ahead position.
- Turn ignition switch to LOCK position.
- Remove AIR BAG fuse from fuse block.
- On 1995 models, remove lefthand sound insulator panel to ac...
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BRAKE SERVICE PROCEDURES FOR 1998 Buick Lesabre AUTOMOBILES
Drum Brakes -> Type 5 -> Description
Vehicle: 1998 Buick Lesabre Limited 3.8 V6 GAS
This brake assembly operates with fewer parts, but is equal to other drum brake systems in performance. In this assembly, a ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Buick Lesabre AUTOMOBILES
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: 1998 Buick Lesabre Custom 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 1998 Buick Lesabre AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1998 Buick Lesabre Custom 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...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Buick Lesabre AUTOMOBILES
Alternator, Replace
Vehicle: 1998 Buick Lesabre Custom 3.8 V6 GAS
- Disconnect battery ground cable.
- Remove drive belt.
- Remove engine cover.
- Remove rear pencil brace bolts.
- Remove brace.
- Remove alternator mounting bolts.
- Remove output terminal nut.
- Disconnect electrical connector.
- Remove alternat...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Buick Lesabre AUTOMOBILES
General Motors Corp./Saturn Cars -> Traction Control System (TCS) Warning Lamp ->
Vehicle: 1998 Buick Lesabre Limited 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 Lesabre AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 Buick Lesabre Custom 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 1998 Buick Lesabre AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Buick Lesabre Limited 3.8 V6 GAS
- On models equipped with airbag, disable airbag system.
- On all models, disconnect battery ground cable.
- Rotate tensioner counterclockwise using suitable tool to remove drive belt.
- Remove tensioner pulley attaching bolt, then remove pulley.
- Remove power steering pump from bracket and position aside.
- Loosen, but do not remove, alternator attaching bolts, then remove alter...
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COMPONENT LOCATION DIAGRAMS FOR 1998 Buick Lesabre AUTOMOBILES
Component location diagrams for most 1998 Buick Lesabre cars and light trucks sold in the U.S. from 1990+.
Rear Of Engine Diagram for 1998 Buick Lesabre Limited 3.8 V6 GAS Components on diagram: |
RH Side Of I/P Diagram for 1998 Buick Lesabre Custom 3.8 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1998 Buick Lesabre AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Buick Lesabre cars and light trucks sold in the U.S.
1998 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram Components on diagram: |
1998 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Buick Lesabre AUTOMOBILES
OEM TSB listings for most 1998 Buick Lesabre cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 1998 Buick Lesabre Custom 3.8 V6 GAS Auto Systems: |
Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 1998 Buick Lesabre Custom 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Buick Lesabre AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 Buick Lesabre 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 Lesabre 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 Lesabre 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 Lesabre 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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