Lumina L4-151 2.5L (1991): Engine, Cooling and Exhaust
Also for this vehicle: Lumina APV V6-191 3.1L (1990), Lumina APV V6-191 3.1L VIN D TBI (1995), Lumina APV V6-3800 3.8L (1994), Lumina V6-191 3.1L (1990), Lumina V6-191 3.1L VIN T MFI (1993), Lumina V6-204 3.4L DOHC (1991), Lumina V6-204 3.4L DOHC VIN X SFI (1996), Lumina V6-3.1L VIN J (2000), Lumina V6-3.8L VIN K (1998), Lumina V6-3100 3.1L VIN M SFI (1995).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Engine134 pages
- Compression Check › System Information › Specifications
Cylinder Block Assembly19 pages
- Intermediate Shaft <--> [Balance Shaft] › Component Information › Diagrams234
- Connecting Rod Bearing › Component Information › Service and Repair
- Connecting Rod, Engine › Component Information › Specifications › Connecting Rod Bearing Clearance2
Crankshaft Main Bearing › Component Information2 pages
- Crankshaft, Engine › Component Information › Specifications › Main Bearing Torque Specifications23
Piston, Engine › Component Information4 pages
- Piston Pin, Engine › Component Information › Specifications
- Piston Ring, Engine › Component Information › Specifications › Piston Ring Dimensions2
Cylinder Head Assembly12 pages
- Valve Clearance › System Information › Specifications2
- Fuel Pressure Release › System Information › Service and Repair
- Rocker Arm Assembly › Component Information › Service and Repair
- Valve Cover › Valve Cover Gasket › Component Information › Technical Service Bulletins › Engine - Rocker Arm Cover Gasket Use
- Valve Guide › Component Information › Service and Repair
- Valve Seat › Component Information › Specifications
- Valve Spring › Component Information › Specifications › Spring Dimensions2
- Valve, Intake/Exhaust › Component Information › Specifications › Valve Face Angle23
Drive Belts, Mounts, Brackets and Accessories13 pages
- Drive Belt › Component Information › Technical Service Bulletins › Engine - Drive Belt Misalignment Diagnostics23
- Drive Belt Tensioner › Component Information › Testing and Inspection2
Engine Mount › Component Information › Technical Service Bulletins8 pages
- Recalls: › NHTSA97V058000 › Apr › 97 › Recall 97V058000: Rear Cradle Retainer Replacement
- All Technical Service Bulletins: › NHTSA97V058000 › Apr › 97 › Recall 97V058000: Rear Cradle Retainer Replacement
All Other Service Bulletins for Engine Mount:6 pages
All Other Service Bulletins for Engine Mount:0 pages
- 033206 › Mar › 94 › P/S - Reduced Assist When Cold
- 912083B › Feb › 91 › Power Steering - Reduced Assist At Low Temperatures
Engine Lubrication23 pages
- Engine Oil Pressure › Component Information › Specifications
Engine Oil › Component Information4 pages
- Oil Filter, Engine › Component Information › Technical Service Bulletins › Engine - Noise/Damage Oil Filter Application Importance
- Oil Pan, Engine › Component Information › Service and Repair2
Oil Pressure Gauge › Component Information › Technical Service Bulletins4 pages
Oil Pressure Sender › Component Information › Technical Service Bulletins4 pages
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations234
- Oil Pressure Warning Lamp/Indicator › Component Information › Description and Operation2
- Oil Pump, Engine › Engine Oil Pressure › Component Information › Specifications
- Intake Manifold › Component Information › Technical Service Bulletins › Engine - Intake Manifold Inspection/Replacement
Lamps and Indicators - Engine6 pages
Oil Pressure Gauge › Component Information › Technical Service Bulletins4 pages
- Oil Pressure Warning Lamp/Indicator › Component Information › Description and Operation2
Sensors and Switches - Engine8 pages
Oil Pressure Sender › Component Information › Technical Service Bulletins4 pages
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations234
Tune-up and Engine Performance Checks36 pages
- Fuel Pressure › System Information › Specifications2
Idle Speed › System Information4 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins19 pages
- Customer Interest: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Technical Service Bulletins: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
All Other Service Bulletins for Air Filter Element:15 pages
- 04-03-10-001F › Apr › 10 › Tires/Wheels - Tire Puncture Repair Procedures23456
- 05-03-10-020C › Apr › 10 › Wheels/Tires - Use of Nitrogen Gas in Tires2
- 00-00-90-002J › Jan › 09 › Tires - Correct Inflation Pressure Information2
- 433502 › Jul › 94 › Tires - Speed Rated Information
- 323501 › Dec › 93 › Tires - Manufacturers' Assistance
- 931693E › Apr › 93 › Tires - Slipping on Rim
- 911713E › Jan › 91 › Tire - Tread Chunking/Torn bead2
All Other Service Bulletins for Air Filter Element:0 pages
- 04-03-10-001F › Apr › 10 › Tires/Wheels - Tire Puncture Repair Procedures
- 05-03-10-020C › Apr › 10 › Wheels/Tires - Use of Nitrogen Gas in Tires
- 00-00-90-002J › Jan › 09 › Tires - Correct Inflation Pressure Information
- 433502 › Jul › 94 › Tires - Speed Rated Information
- 323501 › Dec › 93 › Tires - Manufacturers' Assistance
- 931693E › Apr › 93 › Tires - Slipping on Rim
- 911713E › Jan › 91 › Tire - Tread Chunking/Torn bead
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications › Ignition Firing Order
- Ignition Timing › Number One Cylinder › Component Information › Locations › Number 1 Cylinder Location
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
- Spark Plug › Component Information › Technical Service Bulletins › Ignition - Revised Spark Plug Usage & Gap Information23
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications2
- Water Pump › Component Information › Service and Repair
Cooling System171 pages
- Coolant › Component Information › Technical Service Bulletins › Cooling System - Coolant Recycling Information2345678
- Coolant Level Indicator Lamp › Component Information › Diagrams › Diagram Information and Instructions2345678910111213141516171819202122
Radiator Cooling Fan36 pages
Engine - Coolant Temperature Sensor/Switch5 pages
- Heater Core › Component Information › Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators23
Lamps and Indicators - Cooling System25 pages
- Coolant Level Indicator Lamp › Component Information › Diagrams › Diagram Information and Instructions2345678910111213141516171819202122
- Temperature Gauge › Component Information › Description and Operation2
- Temperature Warning Lamp/Indicator, Engine Cooling › Component Information › Testing and Inspection
- Radiator › Component Information › Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators234
- Radiator Cap › Component Information › Specifications
- Relays and Modules - Cooling System › Radiator Cooling Fan Motor Relay › Component Information › Locations2
Sensors and Switches - Cooling System27 pages
Engine - Coolant Temperature Sensor/Switch5 pages
- Temperature Gauge › Component Information › Description and Operation2
- Temperature Warning Lamp/Indicator, Engine Cooling › Component Information › Testing and Inspection
- Thermostat, Engine Cooling › Component Information › Specifications23
- Water Pump › Component Information › Service and Repair
Exhaust System9 pages
- Catalytic Converter › Component Information › Description and Operation23
Exhaust Manifold › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 236602A › Sep › 93 › Exhaust - Squeak From Front of Vehicle2
- All Technical Service Bulletins: › 236602A › Sep › 93 › Exhaust - Squeak From Front of Vehicle2
- All Other Service Bulletins for Exhaust Manifold: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Other Service Bulletins for Exhaust Manifold: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON