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The Mercury Cougar, a best-selling model from the now-defunct Mercury division of the Ford Motor Company, enjoyed a 34-year production run with a whopping 2,972,784 units sold. The model, second in sales only to the Grand Marquis, was central to Mercury's "cat brand" marketing strategy in the 1970s and 80s. Initially designed as a more luxurious and better-equipped alternative to the Mustang but still more performance-focused than the Thunderbird, the Cougar hit the market on September 30, 1966, exceeding sales forecasts and accounting for nearly 40% of Lincoln-Mercury's total sales in 1967. Initially offered only as a two-door hardtop car, the Cougar underwent several modifications over the years. Its 289 engine was replaced by a V8 in 1968, and a mid-year redesign in 1969 introduced a "bottle car" style. Later generations saw the Cougar downsized and set on a compact Fox chassis, and it was offered only as a two-door coupe. Despite changes, the Cougar's success led to significant shifts in Mercury's lineup, with models like the mid-size Cyclone being replaced by the Cougar, and the smaller imported Capri eventually replacing the Cougar as the compact sports car in the range.

The Mercury Cougar, spanning various models from its inception in 1967, has faced a few persistent issues over the years. One such prevalent problem, especially with the 2000 model, is the consistent alternator failure. Distinguishing between battery and alternator issues can be complex. Initial troubleshooting steps involve inspecting the battery, particularly during colder conditions, and observing the dashboard battery light when the car is off. A dim or flickering light may indicate unwanted battery drainage. Ensuring all accessories are off and checking for corrosion followed by measuring the battery voltage, which should ideally be around 12.6 volts when off, can offer insights. Readings above 15 volts or below 13 volts after starting the engine suggest issues with the voltage regulator, wiring, or the alternator. A practical alternator test involves running the car while disconnecting the positive terminal of the battery; if the vehicle stops, it's indicative of alternator issues. Interior lights that shine brightly initially but dim over time or change intensity with acceleration and deceleration further hint at alternator challenges. A comprehensive evaluation by professionals is advised for precise diagnosis, and in certain cases, even after changing various components, the alternator problem could be due to a damaged fusible link, which can be confirmed using a jumper wire and subsequently replaced. The 1999 Mercury Cougar brought to light another significant concern: transmission failure. Symptoms include delayed shifting, troubled acceleration, and peculiar sounds or odors. For optimal performance, regular wear and tear checks are crucial, emphasizing the timely replacement of transmission and differential fluids using recommended products. Activities like frequent braking or exceeding towing limits can strain the transmission, so it's recommended to inspect and potentially change the transmission fluid between 30,000 and 60,000 miles, aligning with specific usage and manufacturer guidelines.

If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the highest level of durability. Feel free to browse our extensive catalog of genuine Mercury Cougar parts, available at the lowest prices on All of our OEM Mercury Cougar parts come with a manufacturer's warranty, ensuring your peace of mind. Moreover, we offer a no-hassle return policy and speedy delivery service. Shop confidently with us today!