Adjust headlights replaced bulbs; can't adjust nor focus the headlights properly

Focusing (clean lens) aligning ... open hood look straight down at the headlight there is an adjustment screw on each side (actually 2) one for (up and down) the other (left to right)

First park your car on leveled ground, and it would be best if there is a white wall at a 10 feet distance from the car.
Once you pop open the hood, you will find adjustment screws at the back of the headlight. To locate them, look straight behind the headlight, and you will see two Philips head screws
The outwards screw that is close to the fender is for vertical adjustment, turning it clockwise raises the beam and vice versa
The inward screw is for the horizontal arrangement - counter-clockwise brings the light more towards the inside, and vice versa.
Inspect results while making adjustments so that you can narrow down to the right beam position.

Open your hood and look at the headlight assembly from inside the hood. You will see screws that you can loosen to get the headlight covers off, and the bulbs should just be "screwed" in the headlight units. There shouldn't be any bolts and screws on the outside. Also, to adjust your lights, you should have an adjustment "screw" on top of the headlight unit when you open the hood.

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• Ensure that the headlights on your Ford Focus are off by checking you have turned the headlight control all the way to the off position. Make sure your car is off and the keys are out of the ignition, so the daytime lamps are also off.
• Open the hood using the hood release handle located inside the vehicle under the steering wheel on the left side of the instrument panel. Walk around to the front of your Ford Focus and release the auxiliary latch located under the front of the hood. Lift the hood and secure it in place with the yellow end of the hood's strut in the designated holes.
• Locate the bulb cover found just behind the headlight assembly and remove it by turning it counterclockwise. Swivel the wire clip that hold the bulb and connector in place out of the way by turning it to the left.
• Pull out the headlight bulb with its electrical connector straight out from the headlamp assembly.
• Disconnect the bulb from the connector. Later editions of the Ford Focus may have a retaining ring that lies between the bulb and electrical connector. Simply remove this retaining ring by twisting it off with a counterclockwise turn.
• Install the replacement headlight bulb in reverse order of removal. Use a HB2 replacement bulb for models older than 2004 and a HB5 bulb for models produced since 2005. Replace the wire clip and bulb cover, as well.
• Turn on your Ford Focus and check that the headlights are working properly after closing the hood.
  

The adjustment screws/nuts should be located either on the top of the headlamp assembly, behind the headlamp assembly, or near the frame rail by the radiator support.

You will have vertical adjustment screws for each independent beam (separate highs and separate lows, but will be same screw if highs and lows are the same bulb). You may also have additional horizontal adjustment screws as well

Park your car on a level ground 30 feet from a wall and measure the height from the ground to the bulb and mark on a wall (do this for highs beams and low beams if the bulbs are separate, if highs and lows are the same bulb, only do it for the lows)

For Low Beams: If the headlights read VOR, then aim the brightest part or cutoff part just below the mark on the wall. If it says VOL or nothing, aim them 2 inches below the mark on the wall.

For High Beams (if separate from low beams): Aim the headlight directly at the line you marked on the wall.

AIMING THE HEADLIGHTS

The headlights must be properly aimed to provide the best, safest road illumination. The lights should be checked for proper aim and adjusted as necessary. Certain state and local authorities have requirements for headlight aiming; these should be checked before adjustment is made.

CAUTION About once a year, when the headlights are replaced or any time front end work is performed on your vehicle, the headlight should be accurately aimed by a reputable repair shop using the proper equipment. Headlights not properly aimed can make it virtually impossible to see and may blind other drivers on the road, possibly causing an accident. Note that the following procedure is a temporary fix, until you can take your vehicle to a repair shop for a proper adjustment.
Headlight adjustment may be temporarily made using a wall, as described below, or on the rear of another vehicle. When adjusted, the lights should not glare in oncoming car or truck windshields, nor should they illuminate the passenger compartment of vehicles driving in front of you. These adjustments are rough and should always be fine-tuned by a repair shop which is equipped with headlight aiming tools. Improper adjustments may be both dangerous and illegal.
For most of the vehicles covered by this guide, horizontal and vertical aiming of each sealed beam unit is provided by two adjusting screws which move the retaining ring and adjusting plate against the tension of a coil spring. There is no adjustment for focus; this is done during headlight manufacturing.
Because the composite headlight assembly is bolted into position, no adjustment should be necessary or possible. Some applications, however, may be bolted to an adjuster plate or may be retained by adjusting screws. If so, follow this procedure when adjusting the lights, BUT always have the adjustment checked by a reputable shop.
Before removing the headlight bulb or disturbing the headlamp in any way, note the current settings in order to ease headlight adjustment upon reassembly. If the high or low beam setting of the old lamp still works, this can be done using the wall of a garage or a building:

1. Park the vehicle on a level surface, with the fuel tank about 1 / 2 full and with the vehicle empty of all extra cargo (unless normally carried). The vehicle should be facing a wall which is no less than 6 feet (1.8m) high and 12 feet (3.7m) wide. The front of the vehicle should be about 25 feet from the wall.

Fig. : Location of the aiming screws on most vehicles with sealed beam headlights




Fig. : Dual headlight adjustment screw locations-one side shown here (other side should be mirror image)



Fig. : Example of headlight adjustment screw location for composite headlamps

1. If aiming is to be performed outdoors, it is advisable to wait until dusk in order to properly see the headlight beams on the wall. If done in a garage, darken the area around the wall as much as possible by closing shades or hanging cloth over the windows.
2. Turn the headlights ON and mark the wall at the center of each light's low beam, then switch on the brights and mark the center of each light's high beam. A short length of masking tape which is visible from the front of the vehicle may be used. Although marking all four positions is advisable, marking one position from each light should be sufficient.

Fig. : Low-beam headlight pattern alignment



Fig. : High-beam headlight pattern alignment

1. If neither beam on one side is working, and if another like-sized vehicle is available, park the second one in the exact spot where the vehicle was and mark the beams using the same-side light. Then switch the vehicles so the one to be aimed is back in the original spot. It must be parked no closer to or farther away from the wall than the second vehicle.
2. Perform any necessary repairs, but make sure the vehicle is not moved, or is returned to the exact spot from which the lights were marked. Turn the headlights ON and adjust the beams to match the marks on the wall.
3. Have the headlight adjustment checked as soon as possible by a reputable repair shop.

Hope helped with this information. Good luck (remember rated this help).

Your adjustment screws should be white nuts (adjustable with an allen wrench, or a socket, or a pair of pliers) located behind the headlamp assembly right up against the fender

Park your car on a level ground 30 feet from a wall and measure the height from the ground to the bulb and mark on a wall. You only need to do this and the aiming for your low beams as your high beams are on the same bulb

Your headlights should also say VOR. When you turn on your headlights, aim them right at the mark that you put on the wall, with the brightest cutoff directly under the mark

Is the focus of the headlight incorrect and should be adjusted?
Have you checked the reflective surfaces to ensure they are clean and the headlight glass is clean?
And finally - maybe the other bulb is of higher quality/light output. I notice a significant difference between different brands of bulbs sometimes.

Make sure the bulb was put in correctly and sitting flat as bulb replacement does not require head light adjustment.Check head light bulb before attempting to adjust

before you do any thing make sure that the bulbs you installed are perfectly seated in its place inside the assembly if it is not seated properly the lights wont focus properly