Loosen the tensioner using a 3/8" drive, and off she comes. Follow the diagram on the passenger side strut tower to make sure you install the new belt correctly
The Haynes Repair Manuals would have a diagram of the serpentine belt on a 94 Mercury Cougar XR7. You can find the manual at your local library, book store, or most auto parts stores.
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In the belt book at most autoparts stores have a diagram section for serpentine belt routing.
To replace the belt tensioner on a 1999 Mercury Cougar, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the serpentine belt by using a wrench to rotate the tensioner pulley counterclockwise, then slide the belt off. Unbolt the old tensioner from its mounting bracket, then install the new tensioner in place and bolt it down. Finally, reattach the serpentine belt, ensuring it’s routed correctly, and reconnect the battery.
You have to release your tensioners in order to release your serpentine belt. When you put the belt back on you have to follow the diagram on the hood of your car.
What is the motor size? Run1
To replace the hinge on a 95 Mercury Cougar, remove the bolts holding the hinge in place. Find a replacement hinge from the manufacturer and install it using the right hardware.
What is the motor size? Run1
Check local library for service manuals
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If you have the 99 -02 Cougar replace the TPS (throttle positioning sensor) on the throttle body.