Can anyone show me a diagram/video on how to flush the Coolant and maybe the Brake oil as well?

Text articles and explanatory videos

https://www.google.com/search?q=2007+Mercury+mountaineer+drain+coolant

Coolant Flush How-to: Mercury Mountaineer (2002-2010)

https://www.carcarekiosk.com > coolant_antifreeze > fl...

How to flush the coolant antifreeze in a 2006 Mercury Mountaineer Convenience 4.0L V6 How-to video for petcock, radiator flush and burping on a 2006 Mercury ...
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Those hoses should be hot. You can grab them, but you won't hold on to them for to long. Less than a minute. Both heater core hoses should be hot. Radiator hoses will vary, but are still hot. If you can hold both hoses for the heater core at the fire wall without having to let go because of heat. Try to flush out the heater core(both ways through the hose) or replace it.

Actually, there is a bleeder valve on the pump you are referencing. It's located directly on top of the pump and the air (with some oil) comes out the nipple looking part just below and to the left of the bleed off valve 1/2" nut.

You need to loosen the Bleeder valve on the brake caliper, it is located on top of the caliper loosen it slightly and you will notice fluid start to run. If you are doing it our self you will need to let each one gravity bleed for about 15 min each. Hope that helps you

First drain the coolant if possible (you will find a drain **** on the bottom drivers side of rad). Loosen the water pump pulley bolts while serpentine belt still attached (10mm X 4). Remove the serpentine belt, and plastic diagram bracket just above the waterpump. Remove the (8mm bolts X 5) holding the water pump to front engine housing. Note the little arrow or triangle at the top of waterpump when removing, it will help you to install new water pump in same location. Scrape off most of the old gasket material, use fine sand paper to clean engine surface as best as possible. Install new gasket to water pump, and align the holes (it only goes on one way, and maybe upside down if they don't line up). Locate arrow and reinstall, torque 5 bolts to 89 in/lbs tight but not too tight. Reinstall pulley, serpentine belt and bracket. Tighten the pulley bolts, refill coolant (close drain ****). Just above the waterpump there is a coolant hose with a little 7mm screw for a bleeder. Open the bleeder (engine off). Continue to fill rad with coolant until it comes out bleeder. Close bleeder and test run. Recheck the coolant level later when cooled.

Most likely place for oil into coolant is oil cooler, the aluminum box that mounts between the oil filter and a flange that comes off the block.

If you change the tranny oil this video will show you how to change the filter.">

Parts Approx...... $70
Labour ...............2 hour. May take up to 8 Hours. It Depends on your experience how fast you get the job done.

Location. its located somewhere behind the alternater. so you must romove alternator. (Ac Compressor removal is optional)

1. Disconnect Battery Cable,
2. Raise the car on Hoist Or Jack up
3. Drain Coolant from Radiator
4. Remove Right Front Wheel and Splash Shields
5. Remove Belt and Tensioner
6.Remove Dip Stick Bolt + remove Dip Stick tube. ( cover dip stick hole so that coolant dosunt get in to oil pan) or (Do an oil change if coolant gets in to oil pan)
7. Remove Lower Alternator Bolt
8. Remove Uper Alternator Bolts (Access from the Hood).
9. Remove All the Connections to the Alternator and Ac.
11. Remove Thermostat housing bolts
12. Remove thermostat

to installl Reverse the procedure and at the end open the bleeder valve and pour in coolant slowly in to the reservoir

Start Engine

add coolant and bleed the air out.
let the thermostat valve open and cerculate coolant untill Rad cooling fan cycles.

thats it you are done!!

did you release air from cooling system when replacing coolant!! if air is trapped in system it will not heat up proper. turn fan on high heat locate bleeder for cooling system, open bleeder with car running. if there is any air in system you will see it come out of bleeder. keep checking for heat. when you get heat bring coolant to proper level. leave top off of coolant recovery tank while bleeding system. put cap back on when done.

on bottom of oil pan