Mercury MerCruiser 4.3L MPI
- Alpha marine engine
- Bravo marine engine
Mercury Mercruiser 4.3L MPI Alpha and Bravo marine engine service manual
Models covered in this manual:
File specifications
File type: PDF
Language: English
Number of pages: 500+
Printable: Yes
Estimated download time: 0.44 Minutes
$13.99
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Product Information
Table of Contents
Important Information General Information
- Introduction
- How to Use This Manual
- Page Numbering
- Engine Serial Number Locations
- Mercury/Quicksilver Lubricants, Sealants, and Adhesives
Maintenance
- Torque Specifications
- Special Tools
- Lubricants / Sealants / Adhesives
- Engine and Tune-Up Specifications
- Fluid Specifications
- Maintenance Schedules
- Routine Maintenance
- Scheduled Maintenance
- Crankcase Oil
- Sterndrive Unit Oil
- Power Trim Pump Fluid
- Power Steering Pump Fluid
- Water Inlets
- Closed Cooling System
- Anodes
- Propeller Shaft
- Power Package Surfaces
- Painting Your Power Package
- Battery
- Instruments
- Gimbal Ring / Steering Connection
- Changing Water Separating Fuel Filter
- Steering System
- Remote Control
- Sterndrive Components
- Lubrication
- Throttle Cable
- Shift Cable
- Continuity Circuit
- MerCathode
- Engine Mounts
- Electrical System
- Cleaning Flame Arrestor
- Serpentine Drive Belt
- Exhaust System
- Seawater Pump
- Cold Weather and Extended Storage
- Draining Instructions
Troubleshooting
- Used Spark Plug Analysis
- Poor Boat Performance And/Or Poor Maneuverability
- Improper Full Throttle Engine RPM
- Engine Cranks Over But Will Not Start Or Starts Hard
- Engine Will Not Crank Over
- Charging System Inoperative
- Noisy Alternator
- Instrumentation Malfunction
- Radio Noise
- Poor Fuel Economy
- Engine Runs Poorly at Idle
- Engine Runs Poorly At High RPM
- Engine Acceleration Is Poor
- Troubleshooting with Vacuum Gauge
- Engine Noise
- Oil Pressure
- Excessive Oil Consumption
- Water In The Engine
- Engine Overheats (Mechanical)
- Power Steering
- Drain System Will Not Drain Or Drains Slowly
Removal and Installation MCM Models
- Torque Specifications
- Lubricants / Sealants / Adhesives
- Special Tools
- Removal
- Engine Installation
- Electrical Connections
- Fluid Connections
- Shift Cable Installation
- Throttle Cable Installation and Adjustment
- Battery Connection
- Engine Cover Installation
Engine Mechanical 4.3 liter (262 cid)
- Identification
- General Specifications
- Torque Specifications
- Special Tools
- Lubricants / Sealants / Adhesives
- Precautions
- General Information
- Repair Procedures
- Exploded Views
- Valve Cover
- Rocker Arm / Valve Pushrod
- Valve Stem Oil Seal / Valve Spring - Cylinder Head Installed
- Intake Manifold Assembly
- Hydraulic Valve Lifters
- Camshaft and Camshaft Bearings
- Cylinder Head
- Oil Pan
- Oil Pump
- Crankshaft Balancer
- Front Cover Oil Seal
- Front Cover
- Connecting Rod, Bearings and Piston Assembly
- Crankshaft, Main Bearings and Engine Block
- Timing Chain and Sprockets
- Flywheel Housing
- Flywheel
- Rear Oil Seal
- Rear Oil Seal Retainer
- Oil Filter By-Pass Valve and Block Adapter
Electrical System Starting System
- Identification
- Replacement Parts Warning
- Precautions
- Typical Starting System Components
- Positive Current Flow
- Battery
- Delco PG260F1 Starter
- Testing
- Removal
- Solenoid Switch
- Inspection
- Installation
Ignition System
- Specifications
- Spark Plugs
- Distributor
- Coil
- Firing Order
- Torque Specifications
- Lubricants / Sealants / Adhesives
- Removal
- Inspection
- Replacing
- Spark Plug Wires
- Ignition Coil
- Distributor
Charging System
- Delco Alternator
- Identification
- Replacement Parts Warning
- Specifications
- Torque Specifications
- Special Tools
- Precautions
- Charging System Components
- Periodic Maintenance
- Troubleshooting Tests (Alternator on Engine)
- Removal
- Installation
- Battery Isolator Diagram
Wiring Diagrams
- Instrumentation
- Power Trim System
- MerCathode System Wiring Diagram
- Wiring Diagrams
Fuel System Fuel Delivery System
- Specifications
- Torque Specifications
- Special Tools
- Lubricants / Sealants / Adhesives
- Replacement Parts Warning
- Abbreviations
- Precautions
- Fuel Supply Connections
- Fuel Delivery System
- Fuel Rail and Injectors
- Throttle Body
- Cool Fuel System
- Fuel System Flow Diagrams
- Sensor Locations
- Fuel Pressure Relief Procedure
- Flame Arrestor
- Throttle Body
- Electronic Control Module (ECM)
- Water Separating Fuel Filter
- Cool Fuel System
- Intake Manifold
- Sensors
- Manifold Air Pressure / Temperature (MAPT) Sensor
- Throttle Position Sensor (TPS)
- Idle Air Control (IAC) Valve
- Knock Sensor
- Oil Pressure Sensor
- Oil Pressure Switch
- Fuel Pump Relay
- Main Power Relay
Cooling System All Models
- Torque Specifications
- Lubricants / Sealants / Adhesives
- Seawater Inlet Recommendations
- Seawater Pump
- Water Circulating Pump
- Water Distribution Housing
Seawater Cooled Models
- Torque Specifications
- Lubricants / Sealants / Adhesives
- Specifications
- Seawater Cooling System Capacity
- Thermostat
- Flushing Seawater Cooling System
- Water Flow Diagrams
- Seawater Cooled Models With An Engine Mounted Seawater Pump
- Seawater Cooled Models Without An Engine Mounted Seawater Pump
Closed Cooled Models
- Torque Specifications
- Lubricants / Sealants / Adhesives
- Specifications
- Closed Cooling System Capacity
- Coolant Specification
- Thermostat
- Pressure Cap Rating
- Description
- Coolant Recommendations
- Maintaining Coolant Level
- Pressure Cap Maintenance
- Testing Closed Cooling System
- Thermostat
- Heat Exchanger
- Heat Exchanger Bracket Hardware
- Heat Exchanger Hose Connections
- Closed Cooling System Water Flow Diagram
Exhaust System Manifolds, Elbows and Risers
- Torque Specifications
- Lubricants / Sealants / Adhesives
- Exploded View
- Removal
- Cleaning and Inspection
- Manifold Leak Test
- Installation
Power Steering Power Steering Pump
- Torque Specifications
- Lubricants / Sealants / Adhesives
- Special Tools
- Precautions
- Exploded View
- Pulley Replacement
- Power Steering Pump
- High Pressure Hose (Pump-To-Control Valve)
- Low Pressure Hose (Pump-To-Fluid Cooler)
- Low Pressure Hose (Control Valve-To-Fluid Cooler)
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