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Over a period of thirty-six years from 1975 until 2011 Mercury produced four generations of the full-size luxury sedan Grand Marquis through its division Mercury which operated under Ford Motor Company. The Mercury Grand Marquis entered the Mercury Marquis family as a highly premium model during 1983 while using a front-engine rear-wheel-drive configuration that enabled smooth, stable handling. The Panther platform served as the base structure for Grand Marquis while the car featured V8 engine choices between the 4.6L V8 and previous model 4.9L V8. The available engine line for these vehicles delivered from 220 horsepower up to 239 horsepower depending on production specifications. A user-friendly automatic transmission controls power delivery through electronic control of its four-speed gear ratio and provides responsive operation. When different design versions were introduced to the Grand Marquis engineers worked on improving control systems and implementing a new flat-steering wheel design. The fourth-generation received a design transformation featuring new contemporary emblems and a contemporary modern large grille. All owners of Mercury Grand Marquis vehicles are obligated to install original vehicle components which fulfill both automotive performance requirements and operational reliability demands. The manufacturing standards used to design OEM Mercury Grand Marquis parts ensure high durability alongside maintenance compatibility thus saving owners money on future maintenance expenses.
Mercury Grand Marquis issues group into engine cooling, safety restraint electronics, and transmission hydraulics. On the engine side, the Grand Marquis often overheats and loses coolant. A cracked intake manifold leaks at the front passage, causing steam and warning lights. Replace the intake manifold, bleed air, and pressure test the cooling system. Inspect hoses, thermostat housing, and cap for damage on the Grand Marquis. Within safety systems, a failed seat belt buckle spring illuminates the airbag light. On many Mercury Grand Marquis models, buckle contacts wear and intermittently open the circuit. Replace the seat belt buckle, clear codes, and confirm lamp self test. In the transmission, the Grand Marquis can lose drive or slip at stops. A failing front pump loses hydraulic pressure, often with a rising whine. Verify line pressure, inspect fluid for debris, and replace the front pump. Flush the cooler and update service records on the Mercury sedan. After repairs, road test the Grand Marquis, check temperatures, and confirm steady pressures. Finish with battery health checks, ground cleaning, and visual wire inspection on every Mercury Grand Marquis.
FordPartsDeal.com offers you the stress-free shopping for OEM Mercury Grand Marquis parts, including Headlights & Lighting, Transmission. Our products are brand new, and we do not deal with aftermarket or second-hand parts. Through our online Mercury Grand Marquis catalog, you can easily find the satisfactory fit of your vehicle. Prices are competitive, and this makes you save in terms of quality. Our team of specialists provides the friendly and trustworthy service in all parts, like Driveline & Axles, of Mercury Grand Marquis. We are also distributed through our many warehouses which ship quickly, to have your order to you in a short period. Use the VIN checker to have the right Mercury Grand Marquis fit. It is easy to make returns.
Mercury Grand Marquis Parts Questions & Answers
- Q: How to service the ignition coil-on-plug on Mercury Grand Marquis?A: Start the service of ignition coil-on-plug by first taking off the air cleaner outlet pipe. The ignition coil-on-plug service begins with disconnecting its electrical connector before removing the securing bolt that requires a torque setting of 6 Nm (53 lb-in) when reinstalling. Install the ignition coil-on-plug by performing the opposite steps previously used during removal.
- Q: How to Service the Throttle Position Sensor on Mercury Grand Marquis?A: A proper service of the Throttle Position (TP) Sensor begins with disconnecting the battery ground cable and the electrical connector of the TP sensor. When unscrewing the TP sensor screws it is essential to start by loosening them one or two full turns with a hand tool before proceeding with a suitable high-speed driver tool for full removal. The TP sensor receives disposal together with its two screws. A new TP sensor together with fresh screws must be used for installation because reuse of old parts is prohibited. The installation requires you to position the radial locator tab found on the sensor to match the radial locator hole present on the throttle body. Attach the newly positioned TP sensor with the two new screws while tightening them to 3 Nm (27 lb-in). Connection of the TP sensor electrical connector and the battery ground cable completes the installation process.
- Q: What Steps Should Be Taken Before Beginning Brake Pads Service and Repair on Mercury Grand Marquis?A: The brake pad service starts after you disable electricity to the air suspension system through the air suspension switch located in the luggage compartment to stop unexpected changes in air spring pressure. The brake master cylinder filler cap should be removed first for checking brake fluid level with removal of fluid until the reservoir reaches one half of its capacity. Caretakers should first lift the vehicle then secure it before disassembling the wheel and tire components from their position. Check brake pad thickness by measuring them from the metal backing plate or rivet and replace them if the level goes below the specified thickness. Do pad replacements only for entire axle units. It is vital to avoid using the caliper sight hole in order to retract the pistons when removing the disc brake caliper because damage may occur. The caliper should not dangle from the brake hose during service so provide an appropriate support structure. Unglue the two bolts on the front disc brake caliper before lifting it off the anchor plate. Start by uninstalling the disc brake pad anti-rattle clip before checking the brake disc thickness for replacement if required. A full disassembly of the disc brake caliper must be conducted when you find problems during visual inspection of the boots and leaks. Take out the pads from their position along with the stainless steel slippers while checking the pad thickness and throwing out the slippers. An inspection should be conducted on the disc brake anchor plate assembly to check for guide pin boot deterioration alongside guide pin immobilization and guide pin replacement of damaged parts. Installation requires that pad lining material stays free from grease and oil as well as brake fluid and other contaminants and fresh disc brake caliper anchor plate stainless steel slippers must be installed when they are clean yet still in proper working order. To install the disc brake pad anti-rattle clip use a wood block or used pad as a protective surface during piston compression of the caliper units before boot installation. Be cautious when installing the bleeder screw and brake disc shield while you should tighten the lower caliper bolt initially before adding the disc brake caliper and its attaching bolts. Perform the brake master cylinder fluid addition with clean High Performance DOT 3 Motor Vehicle Brake Fluid C6AZ-19542-AB compatible with Ford specification ESA-M6C25-A, or substitute DOT 3 with DOT 4 Brake Fluid meeting Ford specification SAE-J1704-DOT 4. Complete the procedure by putting back the brake master cylinder filler cap and activate air suspension systems by turning on their corresponding switch before checking brake operations.
- Q: How to Address Issues with the Front Bumper on a Mercury Grand Marquis?A: First deny access to the front bumper cover (17D957) through removal of all bolts from each side along with bolts and screws from the sides and cornering lamp assemblies. Both the Grand Marquis needs a bolt removal from its sides while the Crown Victoria requires screw removal from its sides. The front bumper cover separation begins by taking out the bolts from each side before releasing the four tabs through their removal. The installation steps should follow the same order in reverse to reinstall the front bumper cover (17D957).
