Complete digital official shop manual contains service, maintenance, and troubleshooting information for the Chevrolet Lumina, Lumina APV 1989-2001. 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 Chevrolet Lumina/Lumina APV 1989-2001 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.
Chevrolet Lumina 1989-2001
Chevrolet Lumina APV 1989-1996
3.1L V6 - Century, Grand Prix & Lumina
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 "J", vehicle is factory-equipped with a 3.1L V6 SFI engine. If tenth character of VIN is "Y", vehicle is a 2000 model year. If tenth character of VIN is "1", vehicle is a 2001 model year.
ENGINE CODE & PARTIAL VIN
An engine code (3 characters) and a partial VIN (9 characters) are stamped onto 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 LG8 identifies 3.1L V6 SFI engine.
VALVE CLEARANCE (LASH) ADJUSTMENT
Valve rocker arms are mounted to cylinder head by non-adjustable bolts. Although valve lash is not adjustable, if cylinder head has been resurfaced or valves have been reground, rocker arm pedestals may be shimmed to compensate. No further information is available from manufacturer.
REMOVAL & INSTALLATION
NOTE: To trouble shoot mechanical engine components, see appropriate table in TROUBLE SHOOTING article in
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. See 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
Open air bleed valve on thermostat housing. Fill radiator until coolant level is even with filler neck and no air bubbles are coming out of air bleed valve. Close air bleed valve. Install radiator cap. Fill coolant reservoir. Warm engine. Allow engine to cool. Fill radiator and coolant reservoir.
Removal (Century, Lumina)
1. Disconnect the battery ground (negative) cable.
2. Remove the hood panel
3. Remove the throttle body air inlet duct and the air cleaner assembly
4. Remove the washer reservoir bolts and retainers
5. Remove the underhood accessory wiring junction block. Reposition the junction block
6. Remove the washer reservoir.
7. Remove the engine mount struts
8. Remove the drive belt
9. Disconnect the electrical harness connectors from the following:
The camshaft position sensor
The manifold air pressure (MAP) sensor
The exhaust gas recirculation (EGR) valve
The evaporative emissions canister purge solenoid valve
The throttle position (TP) sensor
The idle air control (IAC) valve
The ignition coil
The wiring harness grounds
The two body wiring harness-to-engine harness connectors
10. Raise and suitably support the vehicle
11. Drain the engine coolant from the cooling system
12. Drain the engine oil.
13. Remove the oil filter
14. Disconnect the electrical harness connectors from the following
The knock sensor
The heated oxygen sensor
The crankshaft position sensor
The starter motor
The A/C compressor
The wiring harness grounds
15. Remove the exhaust manifold pipe from the right (rear) exhaust manifold
16. Remove the engine mount lower nuts
17. Remove the torque converter cover
18. Remove the starter motor
19. Remove the A/C compressor bolts
20. Remove the torque converter bolts
21. Remove the right engine splash shield
22. Disconnect the radiator inlet hose from the engine
23. Remove the transaxle brace
Fig. 1: Transaxle Mounting Bolts
24. Remove the lower transaxle-to-engine bolt (6) and stud (1).
25. Lower the vehicle.