Q: AC

Wheel bearing problems are usually indicated by noise and/or play. A bad wheel bearing will make a rotational grinding or growling noise that is proportional to vehicle speed. The bearing may also have play, allowing the wheel/tire to wobble. Wheel...

Since this vehicle is a 1985 model, there may be more than one issue causing this problem. The hesitation and sluggishness that you are experiencing with your vehicle may involve fuel pressure or ignition system problems that these vehicles have...

While the engine is running and the air conditioning system is commanded on, both cooling fans in the assembly should be powered on. The vehicle will turn the air conditioning compressor on and off depending on the system load in...

Hi, thanks for writing in. This sounds like your battery cable connections are corroded or loose at the battery. Try to see if the battery connections are loose by wiggling them and see if power returns. If power returns, then...

There is a technical bulletin TSB (https://www.yourmechanic.com/article/how-to-use-a-technical-service-bulletin-tsb-to-diagnose-and-repair-a-car-by-valerie-johnston) 04-06-02-006A that covers the issue you are getting. It states that the cooling fan clutch will disengage at lower rpm's of the engine and will allow the engine to overheat. You should replace...

This may be a sign of low transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service) or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a...

The idle air control valve will not affect transmission shift points. The throttle position sensor might though and there are other transmission controls, including electrically controlled solenoids in the transmission valve body, that might be at issue. It first has...

Hi Christina. Thanks for sending in your question today. Intermittent issues like you're describing are incredibly difficult to diagnose. In most cases, it's a minor programming glitch with either the key itself or the ECU/Security system. If the dealership is...

Hi Maurice, Thank you for contacting YourMechanic. In regards of your question about battery programming, unfortunately we currently do not provide this service. We are very sorry for the inconvenience. Questions? Check out our FAQ page, call us at 1-800-701-6230...