when filling up the nozzle will click and will make it hard to fill with fuel. Ford had a service bulletin that called for a replacement of the fuel tank with a revised tank that has a larger inlet at the tank. this will solve the issue as I have done dozens of them.
Problems for specific Ford Mustang GT years:
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Newest reported Ford Mustang GT problems
Our technicians tell us the spark plugs in this engine can be very difficult to remove. Ford has issued a service bulletin (08-7-6) to address this issue, which includes a recommended procedure on how to remove the plugs. Failure to follow the recommended procedure can result in the one or more spark plugs breaking off in the cylinder head.
The recommend procedure is as follows. Using this procedure will greatly reduce the chance of breaking a spark plug.
1. Break the spark plugs loose when the engine is warm.
2. Turn each plug 1/8 to 1/4 turn and soak the treads with 1/2 to 3/4 teaspoon of Motorcraft Carburetor Tune-Up Cleaner or a quality penetrating oil. Do not try to remove the plugs at this time.
3. Let the threads soak for at least 15 minutes.
4. After the soak period, tighten and loosen each spark plug, working it back and forth until the turning effort is reduced. Then, you can remove the spark plug.
There are special tools available to remove the broken spark plugs and repair shops will often charge additional labor time, over and above the quoted spark plug replacement cost, for the removal of each broken spark plug.
4.0L V6 engines may develop a buzzing type noise from the upper engine area at about 1900 RPM, under light acceleration. Our technicians tell us this can be caused by loose ignition coil bracket bolts. Coil bracket bolts should be checked for the correct torque before further diagnoses is performed.
An internal transmission issue can cause a longer than normal shift from first to second gear, and it can feel harsh. Premature wear of the accumulator seal from scuffing of the accumulator case bore is the cause, and replacing the 1-2 accumulator spring, seal, and piston will correct this concern.
Internal heater blower motor issues can cause a ticking noise from the heater blower when the fan is on. To correct this concern, replace the heater blower motor with a revised unit.
A broken retaining bracket for parking brake cable can cause a scraping noise on hard acceleration from the driveline area. Replacing the retainer bracket and securing it should fix this problem.
If a buzzing noise is coming from the exhaust at different engine speeds and conditions, this is commonly caused by the heat shields on catalytic converters coming loose at points. The buzzing is the metal on metal contact. Installing a large worm clamp around the catalytic converter and heat shield assembly will prevent the noise and secure the shields.
If a droning noise is coming from the fuel tank, it may be caused by a noisy fuel pump check valve. A fuel pump assembly, with a revised unit, is available address this concern.
If a squeaking noise is heard while turning the steering wheel, the outer tie rod ends may be worn and should be replaced.