Coolant Temperature Diagnosis! Why is my Car Overheating? 3 Reasons Why HERE!

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Here are some reasons listed for you to help diagnose your coolant temperature reading HOT and to help you to understand, “Why is my Car Overheating.” This Summer is going to be hot this year and your car will let you know by showing you your coolant temperature gage or light by illuminating it. Here are the top 3 reasons why your vehicle will suddenly read Hot!

1. Your car is low on antifreeze due to leaks or coolant evaporation

2. Your cooling fan is not turning on and cooling down your motor

3. Your car’s thermostat is stuck in the closed position not allowing the antifreeze to circulate

When your car is low on antifreeze it will not have the proper amount of coolant needed to cool down your hot motor. Make sure that your radiator and your coolant reserve bottle is full all summer long. The best fix for this is to have your auto mechanic perform a, “Coolant Pressure System Test.” He or she will pressurize your cooling system normally to about 20 pounds and inspect your cooling system for leaks. This test should run around $30-$50 and should only take about 20-30 minutes to perform for you. At the end of the test they will inform you where all of your leaks are located and how much it will cost to fix them.

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Your Cooling Fan’s job is to come on around 220 degrees and cool down your coolant and your hot engine to around 190 degrees then shut off automatically. There are a few things that could happen that will not allow this coolant fan to operate like it should. The items that could go bad are your coolant fan switch, a bad coolant fan electric motor, a bad relay or a fuse leading to the fan motor. To perform a proper test for this you or the auto mechanic will need to monitor the engines temperature and watching for the fan operation at the same time.

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Your Vehicle’s Thermostat is suppose to open and close according to the engines temperature. For instance, the thermostat will be and remain closed until your motor reaches the proper operating temperature. If your car or truck is overheating because of this your thermostat will remain closed all of the time causing your engine’s temperature to get Hot fast. The Thermostat is only a few dollars and should be replaced at least once per year.

I hope these 3 tips on coolant temperature diagnosis will help you to understand why is my car overheating. For more auto repair tips and advice please visit my Blog at, “Auto Repair Savings And my Special Links.” -The Autodude-

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Spring Maintenance Inspection under the Hood of Car or Truck

Springtime is here again and its time for that maintenance inspection under the hood of your car or truck to be performed. A car engine is something anyone can do a quick inspection to see what the winter months have created for him or her to fix now that it is spring. If you are not too familiar with what to look for then that is why I am here to help you. I have over 25 years experience as an ASE certified automotive technician and I enjoy helping people with their cars or trucks. Here are a few of the major maintenance items to check under the hood of your car or truck.

Four Key Inspection Items Under The Hood:


1. Upper and Lower Radiator Hoses: Inspect the 2 hoses for any bulging, leaking of antifreeze, loose hose clamps, or any irregular wear from rubbing against something.

2. Serpentine Belt or V-Belts: Inspect your belts for excessive cracking or looseness. With the car engine off reach down and check the tension of these automotive belts. They should be very snug and tight with not much side-to-side motion.

3. Check all Fluid Levels: Of course, this means checking your oil level, transmission fluid, brake fluid level, antifreeze overflow tank level, and your power steering fluid level. Take note of how contaminated these fluids maybe and decide if its time to flush them all out with new fluids.

4. Under the Hood Engine Leaks: Check for any kind of leaks that was not there during your Fall Inspection. Green or reddish would be antifreeze, Dark and sticky would be engine oil, Red and sticky would be transmission fluid, Watery and sticky would be brake fluid, Water drops would be your air conditioner moisture, which is normal to be dropping on the road.

I hope this Spring Time maintenance inspection under the hood of your car or truck will help you to be safe out there on the roads and maybe help you understand a little bit about cars. I did forget to mention you might want to wear some coveralls because you will get dirty performing this under the hood maintenance inspection for the spring. For more car care maintenance tips and “auto repair how to articles” please visit my blog at, “Auto Repair Savings And my Special Links.”