it depends whe you take it in a shop it can go up to $300 but in the street can go as low as 35 per side and is really easy to do
It is necessary to state whether it is a 4X4 or a 4X2
This link has photos and steps to replace brake pads and rotors. http://www.explorerforum.com/forums/showthread.php?t=122696
Lug wrench, metric socket set, "C" clamp
how do i change a fuel filter in a 1994 ford explorer
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With the wheel off, remove the calipers, then the rotors just come off.
"http://wiki.answers.com/Q/How_do_you_change_front_rotors_on_1994_mitsubishi_3000gt"
Could be the tires, or your front brake rotors
"http://wiki.answers.com/Q/How_do_you_remove_Front_Rotors_on_a_1994_ford_ranger"
Remove the tire and wheel from your 1994 Chevy. Remove the brake assembly. Tap on the rotors with a hammer or mallet. The rotors will slide off. Reverse the process to install the new rotors.
The minimum brake rotor thickness for a 1994 Ford Thunderbird car is .974 inches for the front rotors and .657 inches for the rear rotors.
Pull the tires off and take the brake calipers off and the rotors will pull off.