Most likely 10mm wrench, possibly 12 mm wrench.
That's a 7mm Allen key.
7mm Allen wrench
Jack the car up, loosen the bolts and remove the wheel. The next thing is to loosen the nuts joining the axle to the stath then remove the axle.
how to remove front bumper 2002 Impala
Pull the clips back and lift them off.
wher is lug wrench
Bottom front of engine.
18mm
You need to remove the instrument cluster.
Drivers side just in front of rear wheel. You will need an 8mm to take the clamp off and a 19mm and a 14mm wrench to remove the outlet line.
14mm
The size wrench to remove it should be 15mm.