Over heating i have already replaced spark plugs ,changed radiator and thermostat and still the same please help????

Nick, To see how headlight bulb is changed, check the attached links,instruction and guides, Good luck
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Replacement How to replace install fix change hid head light ballast...
Headlight Change 1999 2003 Acura TL 1999 Acura TL 3 2L V6
Acura TL Headlight Replacement WITHOUT removing the bumper

Where is the leak??? The heater core could be plugged. If the coolant level is low you will have no heat.

Is this a heater problem or an engine overheating problem?? If it is an engine overheating problem do you have white smoke out the exhaust which would indicate a head gasket leak into the combustion chamber. You could also have compression gases leaking intro the cooling system. Is the thermostat the correct one and if so is it installed correctly with the sensor/wax pellet part towards the engine and it there is a pilot/bleed hole is it facing up. You could also have an ignition timing problem or have a lean running engine and/or a plugged exhaust system

I do not know what these codes are but as a starting point look them up on a web search

Thermostat, antifreeze is low, heater core, fan motor, fuse for fan motor or a plugged coolant line. Start by checking that the fan works you should hear it, then check coolant level in radiator there is a full mark on the resevoir tank, then check fuse. If there is still no heat start with themostat then if there is still no heat flush the system to check for plugs in the system and if still there is no heat then you have to replace the heater core. this is the cheapest to most expensive and in order of what should be done first.

did you cross the spark plug wires

Before ordering or installing fans I would buy and change your Coolant Temperature Senor on top of the engine block. It plugs in to the ECU and tells the fan when to kick the fans on. If that does not work you also have a temperature on the bottom of the radiator, known as your fan switch.

Try changing the fuel filter.

Please watch the video Acura TL Headlight Replacement WITHOUT removing the bumper

Hi,

you need a 6 inch extension, short 3/8 ratchet, 5/8 plug socket, 3/8 swivel "u" joint, (sold at sears) 8mm 1/4 drive socket deep well and 1/4 inch ratchet.

find the coil packs (6 total, three in each head.)
remove the two retaining nuts holding each coil pack using 1/4 8mm socket and ratchet.
twist the pack to break the sticking boot below.
pull up (be careful to not rip the boots however it may still happen but rare.)
remove coil packs, the rear is a little more difficult with the intake.
use 6" extension and u joint and ratchet to remove plugs and replace.
reverse order to assemble. Good luck, and hoped this helped.