Grand AM L4-151 2.5L (1986): Engine, Cooling and Exhaust
Also for this vehicle: Grand AM L4-121 2.0L (1988), Grand AM L4-138 2.3L DOHC VIN D MFI (1994), Grand AM L4-138 2.3L VIN A FI HP (1989), Grand AM L4-138 2.3L VIN A MFI (1992), Grand AM L4-144 2.4L DOHC VIN T SFI (1997), Grand AM V6-181 3.0L (1985), Grand AM V6-3.4L VIN E (2001), Grand AM V6-3100 3.1L MFI VIN M (1994), Grand AM V6-3100 3.1L VIN M SFI (1996), Grand AM V6-3300 3.3L (1992).
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.
Engine191 pages
- Compression Check › System Information › Specifications
Camshaft, Lifters and Push Rods33 pages
Camshaft Gear/Sprocket › Component Information › Technical Service Bulletins22 pages
- Customer Interest: › 86664 › Oct › 86 › Engine - Timing Gear Noise (Knock)
All Technical Service Bulletins for Camshaft Gear/Sprocket:11 pages
All Other Service Bulletins for Camshaft Gear/Sprocket:10 pages
Camshaft, Engine › Component Information6 pages
Technical Service Bulletins4 pages
- Customer Interest: › 86664 › Oct › 86 › Engine - Timing Gear Noise (Knock)
All Technical Service Bulletins for Camshaft:2 pages
- All Other Service Bulletins for Camshaft: › 88618A › Feb › 88 › Engine - Camshaft Lobe Lift
- Specifications › Camshaft and Bearing Specifications2
- Lifter / Lash Adjuster, Valve › Component Information › Specifications › Specification Table2
- Push Rod › Component Information › Technical Service Bulletins › Push Rod Covers - New Removal Method
- Rocker Arm Assembly › Component Information › Specifications2
Cylinder Block Assembly28 pages
- Balance Shaft › Component Information › Diagrams234
- Connecting Rod Bearing › Component Information › Specifications
- Connecting Rod, Engine › Component Information › Specifications2
Crankshaft Gear/Sprocket › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 86664 › Oct › 86 › Engine - Timing Gear Noise (Knock)
All Technical Service Bulletins for Crankshaft Gear/Sprocket:3 pages
- All Other Service Bulletins for Crankshaft Gear/Sprocket: › 90621 › Feb › 90 › Engine - Install Gear Kit When Servicing Timing Gears2
- Crankshaft Main Bearing › Component Information › Specifications › Bearing Undersize Availability
Crankshaft, Engine › Component Information4 pages
- Harmonic Balancer - Crankshaft Pulley › Component Information › Specifications › Mechanical2
- Piston, Engine › Component Information › Specifications23
- Piston Pin, Engine › Component Information › Specifications2
- Piston Ring, Engine › Component Information › Specifications › Piston Ring Dimensions23
Cylinder Head Assembly25 pages
- Valve Clearance › System Information › Specifications2
- Fuel Pressure Release › System Information › Service and Repair
Cylinder Head Bolts › Component Information › Technical Service Bulletins12 pages
All Technical Service Bulletins for Cylinder Head Bolts:6 pages
- Customer Interest: › 876GAS94 › Jul › 89 › Engine - Coolant Loss2345
- All Other Service Bulletins for Cylinder Head Bolts: › 8664 › Oct › 85 › Cylinder Head - New Bolt Tightening Procedure
- Rocker Arm Assembly › Component Information › Specifications2
- Valve Cover › Valve Cover Gasket › Component Information › Technical Service Bulletins › Rocker Arm Cover - Gasket & RTV Sealant Usage
- Valve Guide › Component Information › Specifications2
- Valve Seat › Component Information › Specifications
- Valve Spring › Component Information › Specifications
- Valve, Intake/Exhaust › Component Information › Specifications › Valve Specifications23
Drive Belts, Mounts, Brackets and Accessories9 pages
Drive Belt › Component Information8 pages
- Engine Mount › Component Information › Technical Service Bulletins › Engine Controls - Updated Rough/Unstable Idle Chart
Engine Lubrication16 pages
- Engine Oil Pressure › Component Information › Specifications
- Engine Oil Drain Plug › Component Information › Technical Service Bulletins › Oil Drain Plug Gasket - Revised Copper Gasket
- Engine Oil › Component Information › Technical Service Bulletins › Engine - GM dexos 1 and dexos 2(R) Oil Specifications234
- Oil Filter, Engine › Component Information › Technical Service Bulletins › Engine - Noise/Damage Oil Filter Application Importance2
- Oil Pan, Engine › Component Information › Specifications23
- Oil Pressure Sender › Component Information › Specifications2
- Oil Pressure Warning Lamp/Indicator › Component Information › Testing and Inspection
- Oil Pump Cover › Component Information › Specifications
- Oil Pump, Engine › Engine Oil Pressure › Component Information › Specifications
- Intake Manifold › Component Information › Technical Service Bulletins › Engine - Intake Manifold Inspection/Replacement
- Lamps and Indicators - Engine › Oil Pressure Warning Lamp/Indicator › Component Information › Testing and Inspection
- Seals and Gaskets, Engine › Valve Cover Gasket › Component Information › Technical Service Bulletins › Rocker Arm Cover - Gasket & RTV Sealant Usage
- Sensors and Switches - Engine › Oil Pressure Sender › Component Information › Specifications2
Timing Components34 pages
- Balance Shaft › Component Information › Diagrams234
Camshaft Gear/Sprocket › Component Information › Technical Service Bulletins22 pages
- Customer Interest: › 86664 › Oct › 86 › Engine - Timing Gear Noise (Knock)
All Technical Service Bulletins for Camshaft Gear/Sprocket:11 pages
All Other Service Bulletins for Camshaft Gear/Sprocket:10 pages
Crankshaft Gear/Sprocket › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Crankshaft Gear/Sprocket:3 pages
- Customer Interest: › 86664 › Oct › 86 › Engine - Timing Gear Noise (Knock)
- All Other Service Bulletins for Crankshaft Gear/Sprocket: › 90621 › Feb › 90 › Engine - Install Gear Kit When Servicing Timing Gears2
- Timing Cover › Component Information › Specifications2
Tune-up and Engine Performance Checks38 pages
Fuel Pressure › System Information3 pages
Idle Speed › System Information3 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications › Ignition Firing Order
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins4 pages
All Technical Service Bulletins for Spark Plug Wire:2 pages
Customer Interest for Spark Plug Wire:2 pages
Distributor, Ignition14 pages
- Distributor Retard Control › Component Information › Description and Operation › Distributor Spark Vacuum Retard Delay Valve (DS-VRDV)2
Distributor Vacuum Control › Component Information8 pages
- Vacuum Spark Delay Valve › Component Information › Description and Operation › Delay Valve Trapped Spark (DV-TS)234
Spark Plug › Component Information3 pages
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications2
- Water Pump › Component Information › Specifications2
Cooling System57 pages
Coolant › Component Information › Technical Service Bulletins › Technical Service Bulletins for Coolant:9 pages
- 00-06-02-006D › Aug › 06 › Cooling System - Coolant Recycling Information234
- 436201B › Apr › 95 › Coolant - Information on Propylene Glycol Usage
- 310504 › Feb › 94 › Warranty - Recycled Engine Coolant Policy
- 90SM1 › Sep › 89 › Cooling System - Reconstituted Anti-Freeze
- 89SM3 › Dec › 88 › Warranty - Engine Coolant Substitute Caution
- 86611 › Jan › 86 › Coolant - Concentration and Cooling System Effects
- Coolant Level Indicator Lamp › Component Information › Description and Operation2
- Coolant Level Sensor › Component Information › Locations
Radiator Cooling Fan10 pages
- Heavy Duty Coolant Fan <--> [Radiator Cooling Fan Motor] › Component Information › Diagrams › Diagram Information and Instructions2
- Radiator Cooling Fan Motor Relay › Component Information › Locations › Cooling Fan Relay23
- Radiator Cooling Fan Resistor › Component Information › Locations
- Radiator Cooling Fan Temperature Sensor / Switch › Component Information › Locations › Coolant Fan Temperature Switch234
Heater Core › Component Information5 pages
- 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 › Locations › Cooling Fan Relay23
Sensors and Switches - Cooling System7 pages
- Temperature Gauge › Component Information › Testing and Inspection
- Temperature Warning Lamp/Indicator, Engine Cooling › Component Information › Description and Operation
- Thermostat, Engine Cooling › Component Information › Specifications
- Water Pump › Component Information › Specifications2
Exhaust System7 pages
Catalytic Converter › Component Information4 pages
- Exhaust Manifold › Component Information › Specifications2
- Exhaust Pipe › Component Information › Technical Service Bulletins › Exhaust Systems - Intermediate Pipe Replacement