Q: I have a 2003 ford explore I replaced water pump & thermostat but my car still over heats with Ac on

asked by on July 10, 2017

I replaced water pump & thermostat 3 weeks ago but my car is still over heating only when the AC is on!

My car has 120000 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Car sounds like it's revving in park
This concern may have illuminated the Check Engine Light as well. When fault or warning lights do illuminate, there is generally some stored fault code to go along with it. Have an experienced technician, such as one from YourMechanic, inspect...
Car dies on exit ramp coming off interstate
Hello. I will be happy to assist you. I believe the problem you are having could be a result from a faulty mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement) or a throttle position sensor (https://www.yourmechanic.com/services/throttle-position-sensor-replacement). Each component heavily inputs on the air fuel ratio of...
Why wont the fan start? Smoking near fan, cooling fan new but wont start. engine overheats.
Hey there. As you alluded, this is a sign of a bad cooling fan relay switch (https://www.yourmechanic.com/services/cooling-fan-relay-replacement). The cooling fan relay switch comes on when the temperature reaches a certain level to help cool down the radiator. When this is...
Brake lights won't light up, but the third will and they will turn on when lights are on.
The issue you are having is likely a faulty brake light switch. The fact the bulbs will light proves they are in good condition. The switch in located next to your brake pedal. When the brake pedal reach a certain...
I have a chevy suburban 2003 with 5.3 vortec engine the problem is that when it's running after 5 minutes it quits. I allready ch
You may have a cam or crank sensor problem or an electrical issue. You will need to see if the engine has no fuel pressure or spark and test computer to see if there is codes stored to diagnose the...
Does extreme cold weather cause a car to heat up so fast,temperature gauge getting to the top
Hello, thank you for writing in. If you have only water in the radiator, and no antifreeze then more than just overheating (https://www.yourmechanic.com/services/brakes-steering-and-suspension-inspection) can happen Often the freeze plugs in the engine will pop out causing issues, the engine block...
My engine is shaking and check engine light blinking
Hi There, Shaking or vibrating may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to drop...
squeal sound from rear passenger wheel when driving bumpy roads
The noise is probably brake or wheel bearing related. If brake related, it might be due to the brake pad wear indicator contacting the rotors. If you desire that this problem be diagnosed by a certified Mechanic, dispatched by YourMechanic...
Will aluminum tape or electrical tape help seal a small hole in a fuel EVAP line?
Hi There, Unfortunately, this will only be a temporary fix. The fumes from the fuel will quickly reduce the tapes ability to properly seal the hole. I would recommend replacing the evap line. As you know, a leak in the...

Related articles

A Buyer’s Guide to the 2012 Ford Fiesta
This This subcompact vehicle is available as a 4-door sedan as well as a 5-door hatchback. The prices for the vehicle are very low, even for the models that are decked out with all of the optional features. Those who...
The Best Used Cars to Buy If You’re a Massage Therapist
If If you're a massage therapist, one of the cornerstones of your business has to be that you don’t keep your clients waiting. That means you need a vehicle that’s reliable. You also will have to move your gear, including...
How to Get Ford Dealership Certified
Ford car dealerships offer automotive technician jobs to mechanics who are certified through either the ASSET or the FACT program.