What causes low coolant temperature in a Mercury 496 MAG Bravo?
- BBailey PierceSep 13, 2025
If the engine coolant temperature of your Mercury Engine is low, it could be due to a faulty thermostat. It is suggested to replace it.
What causes low coolant temperature in a Mercury 496 MAG Bravo?
If the engine coolant temperature of your Mercury Engine is low, it could be due to a faulty thermostat. It is suggested to replace it.
Engine Type | V8 |
---|---|
Alternator Output (A) | 65 A |
Displacement | 496 cu in (8.1L) |
Torque | 450 lb-ft |
Fuel System | Multi-Port Fuel Injection |
Exhaust System | Through Prop |
Drive Compatibility | Bravo One, Bravo Two, Bravo Three |
Gear Ratio | 1.5:1 |
Warranty (years) | 3 |
Record and identify key serial numbers for your engine and components.
Information regarding the limited warranty provided with the product.
Steps for registering your product to activate warranty coverage.
Warranty registration process for owners outside the US and Canada.
Details on what is covered, duration, and terms of the limited warranty.
Information on transferring the product warranty to a new owner.
Details on an optional extended warranty plan for mechanical breakdowns.
Explanation of the function and importance of the lanyard stop switch.
Information on carbon monoxide poisoning risks and ventilation.
Guidelines for safe operation, including rules, checks, and passenger safety.
Safety precautions when people are in the water near the boat.
How weight placement affects boat performance and stability.
Guidance on choosing the correct propeller for optimal engine performance.
Impact of environmental factors on engine power and boat speed.
Owner responsibilities for safe operation and routine maintenance.
Precautions to prevent freezing damage, not covered by warranty.
Steps to take if the power package is submerged.
Critical guidelines for the engine's initial break-in period for optimal performance.
Explanation of various gauges and their functions on the boat.
How the audio warning system alerts the operator to potential issues.
Information on fuses and circuit breakers for electrical system protection.
How to use the power trim system for optimal boat angle and operation.
Procedures for safely starting, shifting, and stopping the engine.
How the Engine Guardian system protects the engine from damage.
Guidance on using the correct type and octane of gasoline for the engine.
Key technical specifications for the 496 MAG HO and 496 MAG engines.
Table listing oil and coolant capacities for engine and sterndrive.
Schedule of essential maintenance tasks to be performed regularly.
Detailed maintenance schedule based on time or operating hours.
Procedures for checking engine oil, power steering fluid, and coolant.
Step-by-step guide for changing crankcase oil and filter.
Guidance on lubricating steering, shift, and throttle systems.
Instructions for removing, installing, and maintaining propellers.
Methods and components for preventing corrosion on the power package.
Procedures for preparing the power package for storage during cold weather.
How to properly drain the cooling system to prevent freeze damage.
Steps for flushing the cooling system to remove salt and debris.
Steps to prepare the power package for use after storage.
Common causes and remedies for starter motor issues.
Troubleshooting steps for engines that won't start or are difficult to start.
Identifying and fixing causes of reduced engine or boat performance.
Troubleshooting high engine temperatures and potential causes.
Guidance on seeking service from authorized local dealers.
How to inquire about and order genuine Mercury parts and accessories.