Question about GMC Jimmy
#1) Break Loose your Lug Nuts,Just A Little don't Take-them off yet.
#2) Jack Front end off the Ground,Support with Good jack stands,Keep Truck in Park and Emergency brake Applied.
#3) Now Take off your Front Wheels-Tires.
#4) Now on the Inside of your brake rotor on each side,there are 2-Caliper mounting bolts. Allen Bolts 3/8" Allen Socket or Allen Wrench.Break the 2-Bolts loose and Remove them.
#5) Now after the Caliper Bolts are removed ,Loosen the Brake Line going to the Calipers using a Flare wrench.You'll need to have a Drain Pan handy to Catch the Brake Fluid.
#6) Now you'll need a C Clamp ,to compress the caliper piston back in the Caliper. NOTE: before you compress the Caliper pistons ,take off the master cylinder cover and using a suction bulb remove about 1/2 of the fluid from the Front Resevoir.the larger of the two.
#7) Now placing the C-Clamp over the Caliper housing turn it clockwise to compress the Piston all the way in.
#8) now you can remove your caliper and the pads,same for Both Sides. AND remove your Rotors they are held on by the Calipers and your Lug-Nuts.It Should come right off ,if its a little rusted and Stubborn take a Plastic Headed Hammer and Tap it all around the Old Rotor.Until it comes off.
#9) Now Slide your new Rotors on the HUB and over the lug nuts.
#10) Get your new caliper Making sure you have the Correct Caliper its Marked Left or Right Sides. It will only work on the Side its made for.
#11) Now put your Anti Rattel Clips on the Correct Sides(Inside) that fit into the New Caiper Piston.also use some brake lube on the back on the new brake pads where they touch the caiper housing.
#12) With both pads in the Caliper Slide the Caliper over your New Rotor. This is for both sides.
#13) Put your brake line back on using the new brass washers that came with your rotors/or Caipers.
#14) Now Put your Caliper Mounting bolts in and tighten up to 38 Foot Lbs.
#15) When you have both sides done Fill up your master Cylinder about a 1/4 " from top.
16) Now you'll need to bleed them ,Get a Friend and have them Slowly push the brake pedal down,after he says its down you open the bleeder valve until fluid and air come out==Now tighten it back before your friend raises his foot up off the pedal.During bleeding keep checking your Master Cylinder to keep it full of fluid.
#17) Start your bleeding from the Right Rear to Left Rear to Right Front and Last Left Front. Always bleed from the farthest brake or Wheel from the Master Cylinder and work your way to the Master.
#18) After you have No air coming out of the bleeder valve and you do have good clean brake fluid.Your Done Bleeding;You should have a Good tight and High Brake Pedal. NOTE: you DON't start the Truck to bleed the brakes.
#19) Now just Put your Tires back on and Tighten your Lug Nuts and you should have good Brakes.
I'm sure that this will get you good brakes and on the Road Again.
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Thanks Again: From: d_hubbs
Posted on Aug 27, 2010
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Posted on Jan 02, 2017
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