http://localhost:9001/si/showGif.do?image=913491
http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=913491)
<LI type=1>Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (http://localhost:9001/si/cellHandler.do?cellId=47852&refDoc=1466469&from=sm) . <LI type=1>Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation (http://localhost:9001/si/cellHandler.do?cellId=59611&refDoc=1466469&from=sm) . <LI type=1>Remove the brake rotor (2) shown on the 1500 Series. Refer to Front Brake Rotor Replacement (http://localhost:9001/si/cellHandler.do?cellId=11152&refDoc=1466469&from=sm) .
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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=913362)
<LI type=1>Remove the wheel speed sensor (WSS) cable mounting clip from the knuckle. <LI type=1>Remove the WSS cable mounting clip from the upper control arm. <LI type=1>Remove the WSS cable mounting clip from the frame attachment point. <LI type=1>Remove the WSS cable electrical connector.
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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=924317)
<LI type=1>Remove the WSS mounting bolt.
http://localhost:9001/si/showGif.do?image=887991
http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=887991)
NOTICE: Carefully remove the sensor by pulling it straight out of the bore. DO NOT use a screwdriver, or other device to pry the sensor out of the bore. Prying will cause the sensor body to break off in the bore.
Remove the WSS (5) from the hub/bearing assembly (4) shown on the 2500/3500 series.<A href="http://localhost:9001/si/showDoc.do?docSyskey=1466469&pubCellSyskey=1415&pubObjSyskey=1466469&from=sm&laborOpCode=&cellId=1415#ss2-1466469">Installation Procedure


<LI type=1>Plug the WSS bore to prevent debris from falling into the hub. <LI type=1>Using a wire brush or equivalent, clean the WSS mounting surface on the hub to remove any rust or corrosion. <LI type=1>Apply a thin layer of wheel bearing lubricant, GM P/N 01051344 to the hub surface and the sensor O-ring prior to sensor installation.
http://localhost:9001/si/showGif.do?image=887991
http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=887991)
<LI type=1>Install the WSS (5) into the hub/bearing assembly (4) shown on the 2500/3500 series. Ensure that the sensor is seated flat against the hub. Notice: Refer to Fastener Notice (http://localhost:9001/si/cellHandler.do?cellId=10105&refDoc=1466469&from=sm) in the Preface section.

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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=924317)
<LI type=1>Install the WSS mounting bolt. Tighten
Tighten the WSS mounting bolt to 18 N·m (13 lb ft).

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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=913362)
<LI type=1>Install the WSS cable mounting clip to the knuckle. <LI type=1>Install the WSS cable mounting clip to the upper control arm. <LI type=1>Install the WSS cable mounting clip to the frame attachment point. <LI type=1>Connect the WSS cable electrical connector.
http://localhost:9001/si/showGif.do?image=913491
http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=913491)
<LI type=1>Install the brake rotor (2) shown on the 1500 Series. Refer to Front Brake Rotor Replacement (http://localhost:9001/si/cellHandler.do?cellId=11152&refDoc=1466469&from=sm) . <LI type=1>Install the tire and wheel. Refer to Tire and Wheel Removal and Installation (http://localhost:9001/si/cellHandler.do?cellId=59611&refDoc=1466469&from=sm) .
Perform the Diagnostic System Check - Vehicle (http://localhost:9001/si/cellHandler.do?cellId=72794&refDoc=1466469&from=sm) .© .

Front Brake Rotor Replacement (25/3500 Series)
Tools Required

• J 41013 (http://localhost:9001/si/showTif.do?image=573333) Rotor Resurfacing Kit
• J 42450-A (http://localhost:9001/si/showTif.do?image=380097) Wheel Hub Resurfacing Kit
Caution: Refer to Brake Dust Caution (http://localhost:9001/si/cellHandler.do?cellId=10099&refDoc=1495195&from=sm) in the Preface section.
<A href="http://localhost:9001/si/showDoc.do?docSyskey=1495195&pubCellSyskey=11152&pubObjSyskey=1495195&from=sm&cellId=11152#ss1-1495195">Removal Procedure


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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=947927)
Notice: Any new rotor must have the protective coating removed from the friction surfaces before being placed in service. Remove the protective coating using denatured alcohol or an equivalent brake cleaner, and wipe the surface clean with clean cloths. Do not use gasoline, kerosene, or other oil base solvents which may leave an oily residue. This residue is damaging to the brake lining and is flammable.
<LI type=1>Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (http://localhost:9001/si/cellHandler.do?cellId=59611&refDoc=1495195&from=sm) . <LI type=1>Remove the front wheel hub extension, dual wheel vehicles only. 2.1. Insert a drift or large screwdriver through the brake caliper into one of the brake rotor vanes in order to prevent the rotor from turning.
2.2. Mark the relationship of the front wheel hub extension to the hub.
2.3. Remove the front wheel hub extension nuts.
2.4. Remove the front wheel hub extension from the vehicle. It may be necessary to tap around the perimeter of the hub extension with a rubber mallet to loosen it from the hub.

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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=370154)
<LI type=1>Inspect the fluid level in the brake master cylinder reservoir. <LI type=1>If the fluid level is midway between the maximum-full point, and the minimum allowable level, no fluid needs to be removed from the reservoir before proceeding. <LI type=1>If the fluid level is higher than midway between the maximum-full point, and the minimum allowable level, remove fluid to the midway point before proceeding. <LI type=1>Mark the relationship of the rotor to the hub. <LI type=1>Compress the brake caliper pistons. 7.1. Install 2 large C-clamps over the top of the caliper housing and against the back of the outboard pad.
7.2. Slowly tighten the C-clamps until the pistons are pushed completely into the caliper bores.
7.3. Remove the C-clamps from the caliper.
Notice: Refer to Brake Caliper Notice (http://localhost:9001/si/cellHandler.do?cellId=10181&refDoc=1495195&from=sm) in the Preface section.

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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=924321)
<LI type=1>Remove the caliper and caliper bracket as an assembly. Support the caliper assembly with heavy mechanic's wire or equivalent. DO NOT disconnect the hydraulic brake flexible hose from the caliper.
<LI type=1>Remove the brake rotor retaining push nuts from the wheel studs, if applicable. <LI type=1>It may be necessary to strike the end of the hub or the rotor with a deadblow hammer to separate the rotor from the hub.
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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=370132)
<LI type=1>Remove the brake rotor.
If the rotor is difficult to remove due to corrosion in the hub area use the following procedure to remove the rotor. 12.1. Clean all the surface areas and the threaded holes of contamination.
12.2. Generously apply penetrating oil or the equivalent to the hub/rotor area.
12.3. Insert two M10 x 1.5 bolts or jack screws into the threaded holes of the rotor.
12.4. Tighten both bolts evenly to force the rotor from the hub.
<A href="http://localhost:9001/si/showDoc.do?docSyskey=1495195&pubCellSyskey=11152&pubObjSyskey=1495195&from=sm&cellId=11152#ss2-1495195">Installation Procedure

Important: Whenever the brake rotor has been separated from the hub/axle flange, any rust or contaminants should be cleaned from the hub/axle flange and the brake rotor mating surfaces. Failure to do this may result in excessive assembled lateral runout (LRO) of the brake rotor, which could lead to brake pulsation.
<LI type=1>Use the J 42450-A (http://localhost:9001/si/showTif.do?image=380097) to clean all rust and contaminants from the mating surface of the hub flange. <LI type=1>Use the J 41013 (http://localhost:9001/si/showTif.do?image=573333) to clean all rust and contaminants from the inside diameter of the hat section of the brake rotor to prevent any foreign material from getting between the brake rotor and the hub flange. <LI type=1>Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining. Important: If the rotor was removed using the jack screw method you must ensure that the hub flange is free of nicks or marks caused by this procedure. Remove all raised nicks or marks before installing the rotor.

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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=370132)
<LI type=1>Align the rotor to its original position on the hub (if applicable) and install the rotor. <LI type=1>If the rotor was removed and installed as part of a brake system repair, measure the assembled lateral runout (LRO) of the rotor to ensure optimum performance of the disc brakes. Refer to Brake Rotor Assembled Lateral Runout Measurement (http://localhost:9001/si/cellHandler.do?cellId=73160&refDoc=1495195&from=sm) . <LI type=1>If the rotor assembled LRO measurement exceeds the specification, bring the LRO to within specifications. Refer to Brake Rotor Assembled Lateral Runout Correction (http://localhost:9001/si/cellHandler.do?cellId=73161&refDoc=1495195&from=sm) .
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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=924321)
<LI type=1>Install the caliper and caliper bracket as an assembly. <LI type=1>Perform the following procedure before installing the caliper bracket bolts. 8.1. Remove all traces of the original adhesive patch.
8.2. Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
8.3. Apply Threadlocker GM P/N 12345493 (Canadian P/N 10953488) to the threads of the bolt.
Notice: Refer to Fastener Notice (http://localhost:9001/si/cellHandler.do?cellId=10105&refDoc=1495195&from=sm) in the Preface section.
<LI type=1>Install the brake caliper bracket bolts. Tighten
Tighten the bolts to 300 N·m (221 lb ft).

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http://localhost:9001/si/images/tif.gif (http://localhost:9001/si/showTif.do?image=947927)
<LI type=1>Install the front wheel hub extension (dual wheel vehicles only). 10.1. Insert a drift or large screwdriver through the brake caliper into one of the brake rotor vanes in order to prevent the rotor from turning.
10.2. Align and install the front wheel hub extension to the original position on the hub.

Important: Follow the same tightening sequence for the front wheel hub extension that is used on an 8 lug wheel. Refer to Tire and Wheel Removal and Installation (http://localhost:9001/si/cellHandler.do?cellId=59611&refDoc=1495195&from=sm) .

10.3. Install the front wheel hub extension nuts.
Tighten
Tighten the nuts to 130 N·m (96 lb ft).
<LI type=1>Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (http://localhost:9001/si/cellHandler.do?cellId=59611&refDoc=1495195&from=sm) . <LI type=1>With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance. <LI type=1>Slowly release the brake pedal. <LI type=1>Wait 15 seconds, then repeat steps 13-14 until a firm pedal is obtained. This will properly seat the caliper pistons and pads.
Fill the master cylinder reservoir to the proper level with clean brake fluid, if necessary. Refer to Master Cylinder Reservoir Filling (http://localhost:9001/si/cellHandler.do?cellId=50081&refDoc=1495195&from=sm) .
.

Hey

I tried to post in DIY section but could not. I hope all you 2500 and 3500 guys put it to use.

NOTICE: Carefully remove the sensor by pulling it straight out of the bore. DO NOT use a screwdriver, or other device to pry the sensor out of the bore. Prying will cause the sensor body to break off in the bore.
Personally, I have found that rotating the tab first, then using a gentle twisting motion while pulling up works best on sensors mounted in "seasoned hubs".

And, BTW, the pics just show up as http://localhost:9001/si/showGif.do?image=370132(red X'd squares).

Hey!

:)why did the pics not post anyone know I had pics. And thanx Hemycall I was woderin about that:rolleyes: