Your Mercury Grand Marquis’s brake system is the most important safety feature on the vehicle. Without a reliable braking system, it is dangerous to keep driving your Grand Marquis. A brake fluid leak is a serious problem. It is usually caused by a failure of a seal, brake line, master cylinder reservoir, and a … Read more
Your Mercury Grand Marquis‘s ignition switch is one of the most vital items on the entire vehicle. If it fails, the entire vehicle won’t be able to run. We’ve compiled some of the most common symptoms of a bad ignition switch. These include stalling issues, not starting, and no power to the radio or accessories. Function of … Read more
If your Mercury Grand Marquis has a faulty throttle body, it can cause it to run terribly. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Your Grand Marquis’s throttle body controls the amount of air that enters the engine. You control the throttle body … Read more
The thermostat in your Mercury Grand Marquis’s engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat … Read more
One of the most common issues with a vehicle is a bad serpentine belt. If you suspect that your Mercury Grand Marquis has this problem, we’ll give you the common symptoms below, as well as how to replace it. The good news is that serpentine belts are cheap, and in the grand scheme of things, … Read more
Uneven tire wear can happen at any time in the life of a vehicle. If your Mercury Grand Marquis is experiencing this situation, taking corrective action when you first notice it is important. Otherwise, you may end up needing a new set of tires. Mercury Grand Marquis Uneven Tire Wear Causes There are … Read more
There are several symptoms to watch for that suggest your Grand Marquis might have low transmission fluid. Some of these signs include irregular shifting, inability to shift, dashboard warning lights, slipping transmission, and strange noises coming from under the hood. If you suspect that your Grand Marquis has low transmission fluid, the first thing you … Read more
One of the most disconcerting sounds that you can hear coming from your Mercury Grand Marquis is the engine knocking. An engine knock can be a sign of major engine problems. It is usually caused by, ignition issues, timing issues, worn lower engine parts, and more. We’ll cover the most common causes below. By definition, … Read more
If your Mercury Grand Marquis is jerking when you press the accelerator, a few common issues can cause this. This guide is built to help you get a better idea as to why your car is jerking. The most common reason a vehicle jerks when accelerating is a misfire. Checking for trouble codes can make … Read more
If you’ve found red fluid under your Mercury Grand Marquis, you probably have a transmission leak. A transmission leak is a big deal. If you let too much transmission fluid leak, the transmission will begin to slip, which can quickly cause long term damage. Unlike oil, transmission fluid is flammable, and will flash if it … Read more