21mm
It should have 5.
You do not use a wrench, you use a socket. It is probably a 3/4 inch, but may not be. Get your sockets out and try them until you find the one that fits. The lug nuts are not metric they are SAE. All other bolts & nuts on the car are metric.
32-36 ft lbs
follow the lower radiator hose to were it attaches to the engine. Right below the alternator the thermostat is located in the housing that the hose is attached to. It is held in place by 2 10mm nuts
The wrench screws nuts or bolts on.
a wrench
A wrench is a hand tool that is utilized to tighten or loosen nuts.
There are a couple of different tools that are good for tightening lug nuts. A torque wrench and a lug wrench are good for tightening lug nuts. Typically lug nuts would be tightened with a torque wrench, but a lug wrench is much cheaper.
A box end wrench is used to undo or tighten nuts when a lot of torque is required. When working under my car on exposed nuts and bolts, a box wrench will remove nuts that an open end wrench will 'round'.
wrench for lug nuts on f250 is 7/8s of an inch there is a metric wrench that fits but i cant remember what size it is
A torque wrench is used to tighten nuts and bolts to a specified amount