The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.
When the head gasket begins to fail, the engine may have no symptoms at all. They only begin to occur when the leak has reached an engine oil passage, engine coolant passage or the engine cylinder.
When that happens, the engine may be very difficult to start, and run roughly when idling. There may be oil or coolant leaking, and the engine may begin to overheat, or at least run hot. At this point, there may be coolant in the engine oil pan — this will look creamy and lighter in color than the oil. Also, the radiator or engine coolant reservoir may have a gurgling sound, the presence engine oil, or smell of combustion. And the check engine light will come on.
The coolant being burned in the engine will produce white exhaust that smells sweet, like engine coolant. When the head gasket fails completely, the engine will overheat within minutes of starting, will stall and then won't restart.
When diagnosing a coolant leak in your 2007 Ford Explorer Sport Trac, it's essential to adopt a systematic approach that begins with simple visual inspections and progresses to more complex diagnostics. Start by conducting a thorough visual inspection of the vehicle, focusing on areas such as the radiator, hoses, and water pump for any visible signs of coolant leakage. Next, check the coolant levels in both the reservoir and radiator; a significant drop may indicate a leak. If these initial checks do not reveal the source, consider performing a pressure test on the cooling system, which can help pinpoint hidden leaks. Additionally, inspect the radiator and hoses for any signs of damage or wear, as these components are common culprits. Don’t overlook the water pump and heater core, as leaks can originate from these areas as well. Finally, be alert for any unusual signs, such as white smoke from the exhaust or a sweet smell inside the cabin, which could suggest coolant entering the engine or heater core. If you are unable to identify the leak after these steps, consulting a qualified mechanic is advisable to ensure a thorough diagnosis and repair. This methodical approach not only helps in identifying the leak but also aids in understanding the overall health of your vehicle's cooling system.
When dealing with coolant leaks in a 2007 Ford Explorer Sport Trac, it's essential to understand the common problems that can arise. One of the primary culprits is a damaged radiator, which can develop cracks or corrosion over time, leading to leaks. Additionally, worn-out hoses are another frequent issue; these hoses transport coolant throughout the engine and can deteriorate, resulting in leaks. A faulty water pump may also be responsible, as it can malfunction and cause coolant to escape from the engine. Furthermore, loose or damaged hose clamps can fail to create a proper seal, allowing coolant to leak. In more severe cases, a cracked engine block can lead to significant coolant loss, necessitating immediate inspection by a mechanic. Lastly, a leaking heater core can introduce coolant into the vehicle's interior or onto the ground, indicating a need for repair. Addressing these issues promptly is crucial to prevent overheating and potential engine damage, making it advisable to consult a qualified mechanic if you suspect a coolant leak.
Addressing a coolant leak in your 2007 Ford Explorer Sport Trac is not just a matter of convenience; it is a critical safety concern that demands immediate attention. Coolant plays a vital role in maintaining optimal engine temperature, and any leak can lead to a rapid drop in coolant levels, resulting in engine overheating. This overheating can cause severe damage to engine components, leading to costly repairs that could have been easily avoided. Furthermore, a vehicle that is running low on coolant may exhibit poor performance, leaving you vulnerable to breakdowns and potentially stranding you on the road. Ignoring the signs of a coolant leak can escalate the situation, increasing the risk of engine failure and the need for towing services. Therefore, if you notice any signs of a coolant leak, such as puddles under your vehicle or a warning light on your dashboard, it is crucial to act swiftly to prevent further complications and ensure the longevity and reliability of your vehicle.
A failing heater core may cause the car's interior to smell like engine coolant. The smell will become worse when the heater is turned on. The engine may also begin to run hotter until the vehicle is repaired.
The worst-case scenario is the engine overheating, which can cause extensive engine damage.
If the heater core is clogged, the air that blows when the heater is turned on will not be very hot.
Problems with the intake manifold gasket can create the following symptoms:
» LEARN MORE: Intake manifold gasket symptoms
A failing radiator can cause the engine to run hot or overheat. Most radiators are made of metal and plastic. The plastic parts can become brittle and crack over time, causing a leak of coolant (typically green or pink in color). All manufacturers have a recommended service interval for coolant renewal. As the coolant ages, the additives breakdown and being to form solid deposits. These deposits will build up in the passages of the cooling system and will eventually clog components, including the radiator. A leaking or clogged radiator must be replaced. Some automatic transmission cars will also have a transmission cooler integrated into the radiator. Lines going to and from the transmission circulate transmission fluid to help cool the transmission in heavy duty applications such as towing or off-roading. If this integrated cooler fails, it can allow transmission fluid and coolant to mix. This will causing shifting issues in addition to overheating.
A coolant leak may be noted from the hoses. Coolant hoses can be damaged by oil leaks, or age. This will lead to swelling or cracking, it is suggested to replace the hoses before they begin leaking to avoid potential overheating.
The bad thermostat can cause two different sets of problems, depending on whether it's stuck open or stuck closed.
A thermostat that is stuck open can cause the engine to run colder than normal and turn on the check engine light. It may also cause poor fuel mileage and the heater to blow cool air.
A thermostat that is stuck closed will cause the vehicle to overheat. If a new thermostat doesn't resolve engine temperature problems, the cooling system needs to be checked for other issues.
» LEARN MORE: Signs of a bad thermostat, and how to fix it
The two most common signs of a bad pump are leaks and noises.
Leaking water pumps can result in damage to the drive and timing belts, and cause the engine to overheat. A failed water pump can be caused by other problems in the cooling system, such as a bad thermostat, radiator or head gasket.
See what others are asking about their Ford Explorer Sport Trac. Get answers from RepairPal's community of auto experts and enthusiasts.
Read about related problems experienced by other Ford Explorer Sport Trac drivers like you.