In 2007 the Buick Lucerne was equipped with 2 engine options. 3.8 Liter OHV V6 and the Northstar 4.6 Liter V8.
Was the cooling system recently opened? What was serviced?
The 3.8 has a 7mm bleeder screw on the top of the thermostat housing. A funnel in the radiator is helpful to bleed the air. You will notice the upper radiator hose curves to a higher elevation than the bleeder screw. Manipulation of the hose by hand may be needed to get the air out. I recommend and use a cooling system funnel to help. It minimizes mess as well. ( https://smile.amazon.com/Lisle-24680-Spill-Free-Funnel/dp/B00A6AS6LY/ref=sr_1_1?ie=UTF8&qid=1488855489&sr=8-1&keywords=lisle+cooling+system+funnel ) There are other brands available as well.
I do not recall if the Northstar V8 has a bleeder on all models, but some do have a similar bleeder screw. Be sure the system is filled initially and manipulate the hoses up and down as well as squeeze them to get air moving. The Northstar water pump is on the back side of the engine driven by the camshaft. The upper hose runs along the front of the engine bay and connects to the radiator at the top on the passenger side of the engine bay.
For both vehicles, fill as much as possible cold. Start and idle. As the temperature increases, I recommend occasionally revving the engine to between 1500 and 2000 RPM to fill heater core and move coolant with a little more force.
SOURCE: 2007 buick lucerne has water leaking into the
Remove trunk trim and covers , close trunk and wet car now look for leak source.
SOURCE: 2007 Buick Lucerne
Release the parking brake by pressing on it with your foot and it will raise up.
SOURCE: How do you jump start A battery on the 2007 buick
Very simple.
First hook up Positive Red and Negative Black terminals to the battery in the known good car. Then hook the Red terminal on the opposite end of the jumper cables to the positive Red terminal of the battery in the known bad car. Then, carefully, without shorting out the connectors, connect the final black jumper cable to the 'frame' of the known bad car.
Hope this helps.
SOURCE: How to replace a right
put your car in park and turn the engine off. let it sit for a half hour to make sure all components and wires have had time to cool off. pop the hood. unplug the electrical connector found on the back of the headlight unit. push down on the release tab, located on the top of the connector, while gently pulling the wiring out of the unit. take out the burnt bulb (turning it counterclockwise of course). once the bulb is loose enough, pull the bulb out replace it with the new one.
SOURCE: My 2007 Buick Lucerne drivers
first purchase the door handle assembly then remove the door panel. make sure the window is up and reach in and disconnect the rods making a note of which one goes to which one. unbolt the door handle and remove. the new door handle may come with a new rubber seal for it. position over new handle and reinstall. make sure to search the door panel for hidden screws holding it on before you pop the clips.. hope this helps
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Thank you,we will try that.
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