1. Transmission Problems:
* Slipping Clutch: If the clutch in your transmission is slipping, it won't be engaging fully, causing the engine to rev higher (resulting in the noise) without the car accelerating as much (leading to the temperature increase).
* Worn Transmission Components: Other transmission components, like the bands, can also wear down, causing similar slipping and temperature issues.
* Low Transmission Fluid: Low fluid levels can make the transmission operate incorrectly and lead to overheating.
* Clogged Transmission Filter: A clogged filter prevents proper fluid flow, which can lead to overheating and other issues.
2. Engine Problems:
* Spark Plugs/Ignition Coils: Faulty spark plugs or ignition coils can cause misfires, which can result in a rough engine sound, decreased performance, and higher temperatures.
* Fuel System Issues: Problems like clogged fuel injectors or a faulty fuel pump can lead to a lean fuel mixture, resulting in higher temperatures and reduced engine power.
* Engine Oil Issues: Low oil levels or improper oil viscosity can lead to overheating and engine noises.
3. Other Factors:
* Air Filter Restriction: A dirty air filter restricts airflow, causing the engine to work harder, leading to higher temperatures and potential noises.
* Overloaded Vehicle: A heavily loaded vehicle requires more power from the engine, which can lead to higher temperatures and potentially more engine noise.
Important Note: It's crucial to address these issues promptly as they can escalate and cause serious damage to your vehicle.
What You Should Do:
* Consult a Mechanic: The best course of action is to have your car inspected by a qualified mechanic. They can diagnose the specific problem and recommend the necessary repairs.
* Check Fluid Levels: While you wait for a mechanic, checking the engine oil and transmission fluid levels can give you a starting point. However, don't attempt to add fluids without first knowing if that's the issue.
* Observe the Issue: Pay attention to when the noise and temperature increase occur. Does it happen only during acceleration, or under other conditions? This information can be helpful for the mechanic.
Remember, ignoring these symptoms can lead to costly repairs in the long run.