Complete digital official shop manual contains service, maintenance, and troubleshooting information for the Buick Skylark 1980-1998. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your vehicle like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.
This manual for Buick Skylark 1980-1998 is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.
1998-99 ENGINES 3.1L V6
VEHICLE IDENTIFICATION NUMBER (VIN)
VIN is stamped on a metal tab, which is attached to top left end of instrument panel, near windshield. If eighth character of VIN is "M", vehicle is factory-equipped with a 3.1L V6 SFI engine. If tenth character of VIN is "W", vehicle is a 1998 model year. If tenth character of VIN is "X", vehicle is a 1999 model year.
ENGINE CODE & PARTIAL VIN
An engine code (3 characters) and a partial VIN (9 characters) are stamped on cylinder block, in one of the following places:
Top of cylinder block, above front cover.
On cylinder block flange, where engine mates to transaxle (may be on either side of engine).
Engine code L82 identifies 3.1L V6 SFI engine.
VALVE CLEARANCE (LASH) ADJUSTMENT
Valve rocker arms are mounted to cylinder head by non-adjustable pedestals and bolts. Although valve lash is not adjustable, if cylinder head has been resurfaced or valves and seats reground, rocker arm pedestals may be shimmed to compensate.
No further information is available from manufacturer.
NOTE: To trouble shoot mechanical engine components, see ENGINE MECHANICAL in BASIC TROUBLE SHOOTING article in GENERAL INFORMATION.
REMOVAL & INSTALLATION
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. For 1998, see appropriate model under COMPUTER RELEARN PROCEDURES in COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. For 1999, See appropriate
model in COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
NOTE: For reassembly reference, label all electrical connectors, vacuum hoses and fuel lines before removal. Also place mating marks on engine hood and other major assemblies before removal.
FUEL PRESSURE RELEASE
Disconnect negative battery cable. Loosen fuel tank filler cap. Connect Fuel
Pressure Gauge (J-34730-1) to fuel line fitting (wrap shop towel around fitting to absorb leakage). Place gauge bleed hose into container. Open bleed valve to release pressure.
COOLING SYSTEM BLEEDING
Fill radiator and coolant reservoir. Leave radiator cap and coolant reservoir cap off. Open the coolant air bleed valve. The coolant air bleed valve (if equipped) is located on the top of the thermostat bypass pipe/heater pipe assembly. Close the valve once a continuous stream of coolant is expelled from the valve. Run engine until upper radiator hose starts to become hot. Ensure radiator is full. Install and tighten radiator cap and coolant reservoir cap.