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9mm hex key front and 7mm rear
2006 lincoln navigator requires a 7mm hex to remove brake caliper
Try a TORX T-40 or 45 Many second generation Expeditions (2003-2006) use a 9mm to remove the front caliper and a 7mm for the rear.
Remove the wheel, remove the brake caliper and the caliper adapter bracket, pull the rotor off of the wheel studs.
1. Remove the brake hose to caliper bolt from the brake caliper. 2. Remove the brake hose from the brake caliper. 3. Remove and discard the 2 copper brake hose gaskets. These gaskets may be stuck to the brake caliper and/or the brake hose end. 4. Cap or plug the opening in the brake caliper and the brake hose to prevent fluid loss and contamination. 5. Remove the 2 brake caliper pin bolts. Remove the park brake cable from the caliper. 6. Remove the brake caliper from the brake caliper bracket.
First, raise and support the vehicle. Then remove the wheel and the tire assembly. Also remove the caliper from the steering knuckle, and then remove the caliper adapter assembly.
remove the caliper, remove the caliper retainer, hit the rotor w a hammer between the lug bolts hard a few times--it should just come off
Change wheel bearing on 2006 mercury mariner
remove tire remove two bolts that hold the caliper on the inside of the rotor lift the caliper off then the rotor just slides off it may be stiff so you can tap it with a soft mallet
18mm
My girlfriend has a 2006 escape and I ran into the same problem trying to change her brakes and none of the Allen wrenches fitting. The '06 needed a 9 mm Allen, so I'm assuming the 05 would need the same?! Good Luck! ---------------------------------- I have a 2006 Tribute, 4wd, discs on front and back. I just did the brakes today. Front calipers are 9mm, back ones are 7mm.
Front or rear? Front should have 2 17mm hex head bolts loosen them and remove them both and you should be able to remove the caliper. Rear calipers should have 2 14 or 15mm hex head bolts and just do the same