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rotor minimum thickness on 2001 silverado

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2004 Chevrolet Silverado 1500 WHEEL HUB, BEARING, AND SEAL REPLACEMENT (4WD) MANUAL

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WHEEL HUB, BEARING, AND SEAL REPLACEMENT (4WD) Tools Required J 45859 Axle Remover Removal Procedure 1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels. 3. Remove the rotor. Refer to Brake Rotor Replacement – Front in Disc Brakes. Fig. 62: View Of Retaining Bolts For Brake Hose And Wheel Speed Sensor Brackets Courtesy of GENERAL MOTORS CORP. 4. Remove the wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle. 2004 Chevrolet Silverado 1500 2004 SUSPENSION Front Suspension – Sierra & Silverado Fig. 63: Removing The Wheel Drive Shaft Nut Retaining Cover (4WD) Courtesy of GENERAL MOTORS CORP. 5. Remove the wheel drive shaft nut retaining cover. IMPORTANT: Do not reuse the nut. A new nut must be used when installing the wheel drive shaft. Fig. 64: Removing Wheel Driveshaft Assembly Retaining Nut And Washer (4WD) Courtesy of GENERAL MOTORS CORP. 6. Remove the wheel driveshaft assembly retaining nut (2) and washer (3) from the wheel driveshaft. 7. Disengage the wheel drive shaft from the wheel hub and bearing using J 45859 or equivalent Fig. 65: Disengaging The Wheel Drive Shaft From The Wheel Hub And Bearing (4WD) Courtesy of GENERAL MOTORS CORP. 8. Remove the wheel hub and the 15-series bearing mounting bolts

2004-2005 FORD F-150 FRONT BRAKE ROUGHNESS/ SHUDDER WHILE BRAKING REPAIR MANUAL

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ISSUE b. If new level (47 fin) rotors are present, Some 2004/2005 F-150 vehicles built before perform one (1) of the following: 11/29/2004 may exhibit front brake roughness and or shudder while braking. (1) If rotors are within minimum thickness specifications, machine the rotors using ACTION the Rotunda on vehicle brake lathe and Service the rack and pinion, rotors, and caliper the Rotunda adapter kit 201-R0093. assemblies as needed, based on vehicle build date Refer to the Workshop Manual, Section and current part levels installed on the vehicle. 206-00 for the correct on-vehicle brake Refer to the following Service Procedure. lathe procedure. SERVICE PROCEDURE (2) If rotors are beyond machinable thickness, the front rotors must be 1. Vehicles built prior to 8/20/2003 require the replaced. replacement of the rack and pinion assembly if it has not been replaced. Refer to Workshop 3. Install new service fix calipers. Manual, Section 206-03 and 211-02. NOTE 2. Determine if the vehicle has the old or new REPLACE CALIPERS WITH NEW SERVICE FIX level rotors (Figure 1). CALIPER ASSEMBLIES BY REMOVING THE CALIPERS AT THE KNUCKLES. THE SERVICE REPLACEMENT CALIPERS WILL BE PRE-ASSEMBLED WITH ANCHOR, SPRINGS, AND PADS. THE CALIPERS SHOULD BE INSTALLED AS A UNIT WITHOUT DISASSEMBLY. PART NUMBER PART NAME 6L3Z-2B120-A Caliper Asy (Right Side) 6L3Z-2B121-A Caliper Asy (Left Side) 5L3Z-1102-AB Rotor (4X2, 6 Lug) 5L3Z-1102-BA Rotor (4X2, 7 Lug) 5L3Z-1125-AA Rotor (4X4, 6 Lug) 5L3Z-1125-BA Rotor (4X4, 7 Lug) 6L3Z-3504-AA Steering Gear (Super Cab/Crew 4X2) 6L3Z-3504-BA Steering Gear (Super Cab/Crew 4X4) Figure 1 – Article 05-21-19 6L3Z-3504-CA Steering Gear (Regular Cab 4X2) 6L3Z-3504-DA Steering Gear (Regular Cab 4X4) a. If old level rotors, replace the front rotors 6L3Z-3C294-AA Retainer Spindle Nut and front caliper assemblies. Refer to Workshop Manual, Section 206-00 for front rotor and caliper replacement.

1999 Chevrolet Silverado The service engine soon light is on with trouble code P1416 present

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Tests/Procedures: 1. Use a scanner and command the air pump on with the engine running at idle. Check if the O2 sensors go lean. 2. If the O2 sensor does not go lean on one bank, see if the check valve at the exhaust manifold is stuck closed, not allowing air into the manifold. Potential Causes: Defective Check Valve Diagnostic Codes: P1416 Author: Christopher Pittman Average Reported Mileage: 85812 Confirmed Fix Summary Confirmed Fix 18 – Air Injection Reaction (AIR) Check Valve 1 – Air Injection Reaction (AIR) Check Valve, Air Injection Reaction (AIR) Pump Confirmed Fix Details Tech Reported Fix Details Confirmed Fix Lee Stroup Sr. November 15, 2007 2001 Chevrolet Silverado 1500, 5.3L, Vin T, Eng Cfg V8 * A.I.R. Check Valve – removed check valves, found one rusted closed, one restricted, replaced both valves. Moisture from exhaust seems to have rusted both valves. Air Injection Reaction (AIR) Check Valve Paul Puleo August 20, 2009 1999 Chevrolet Camaro, Z28 5.7L * Replaced Both Air Injection Reaction (AIR) Check Valves – bank 2 AIR check valve restrticted, bank 1 slightly restricted replaced both Air Injection Reaction (AIR) Check Valve SouthGate January 05, 2009 2000 Chevrolet Silverado 1500, 4.8L, Vin V, Eng Cfg V8 * Replaced Air Injection Reaction (AIR) Check Valve – replaced boht check valves. fix the code. Air Injection Reaction (AIR) Check Valve Dwight Heckman July 31, 2008 2000 Chevrolet Blazer, 4.3L * Check Valve – replacing the check valve and cleaning out the lines repaired the problem. Air Injection Reaction (AIR) Check Valve Nick Secchitano June 16, 2009 2000 Chevrolet Silverado 1500, 5.3L, Vin T, Eng Cfg V8 * Replaced Both Air Injection Reaction (AIR) Check Valves – Air injection check valves Air Injection Reaction (AIR) Check Valve Mark Bertelsen 1998 Chevrolet Camaro, Z28 5.7L * Replaced Air Injection Reaction (AIR) Check

1995 Mazda MX-6 FRONT DISC BRAKE PADS REMOVAL AND INSTALLATION MANUAL

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REMOVAL & INSTALLATION FRONT DISC BRAKE PADS Removal & Installation 1. Raise and support front of vehicle. Remove front wheel assemblies. Remove lower lock pin/guide bolt. See Fig. 2 . Pivot caliper upward and support using rope. 2. Remove pads, shims, guide plates or pad guides and “V” springs (if equipped). Replace pad if lining thickness is less than specified. See MINIMUM PAD LINING SPECIFICATIONS (FRONT) table. 3. To install, reverse removal procedure. Use Disc Brake Expander (49-0221-600C) and an old pad to push piston fully inward to install disc pads. Fig. 2: Exploded View Of Front Brake Disc Assembly Courtesy of MAZDA MOTORS CORP. MINIMUM PAD LINING SPECIFICATIONS (FRONT) Application Thickness In. (mm) MX-6, 626 FRONT DISC BRAKE CALIPER Removal & Installation Raise and support front of vehicle. Remove front wheel assemblies and disconnect brake hose. Plug all openings. Remove front disc brake pads. See FRONT DISC BRAKE PADS . Remove remaining mounting bolt(s). Remove caliper from vehicle. To install, reverse removal procedure. Bleed air from system. FRONT BRAKE ROTOR Removal & Installation 1. Raise and support front of vehicle. Remove front wheel assemblies. Remove front disc brake caliper with brake hose connected. See FRONT DISC BRAKE CALIPER . Wire caliper aside. Remove rotor-to-hub screws (if equipped). Remove rotor. 2. Machine rotor if lateral runout exceeds specification. Replace rotor if measured thickness is less than specified minimum thickness. See DISC BRAKE SPECIFICATIONS table. To install, reverse removal procedure. REAR DISC BRAKE PADS Removal & Installation 1. Raise and support rear of vehicle. Remove rear wheel assemblies. Release parking brake and disconnect parking brake cable from caliper. Remove manual adjustment gear concealment plug from caliper. See Fig. 3 . Insert an appropriate size Allen wrench through hole and turn manual adjustment gear counterclockwise to retract caliper piston. 2. Remove upper guide bolt from caliper. Rotate caliper downward and support using wire. Remove “M” springs. Remove pads, shims and guide plates. Replace pad if lining thickness is less than .04″ (1.0 mm). 3. To install, reverse removal procedure. Turn manual adjustment gear clockwise until brake pads slightly touch rotor. Turn manual adjustment gear back 1/3 turn.

FRONT WHEEL SPEED SENSOR CORROSION REPAIR MANUAL

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1999-2002 CHEVROLET SILVERADO 2000-2002 CHEVROLET TAHOE, SUBURBAN 2002 CHEVROLET AVALANCHE 1999-2002 GMC SIERRA 2000-2002 GMC YUKON, YUKON XL LOCATED IN THE SEVERE CORROSION AREAS LISTED BELOW Service Procedure The following procedure provides instructions for repairing a corrosion condition where the front wheel speed sensor mounts on the front wheel bearing assembly. 1. Raise the vehicle on a suitable hoist and support as necessary. 2. Remove both front tires and wheels. 3. Compress the front brake caliper pistons. 3.1. Install a large C-clamp over the top of the caliper housing and against the back of the outboard pad. 3.2. Slowly tighten the C-clamp until the pistons are pushed completely into the caliper bores. 3.3. Remove the C-clamp from the caliper. Important: It is not necessary to remove the front brake caliper from the bracket when removing the bracket in the next step. 4. Remove the two bolts that attach the front brake caliper mounting brackets to the knuckle. Notice: Support the brake caliper with heavy mechanic’s wire, or equivalent, whenever it is separated from its mount, and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak. 5. Remove the brake caliper and bracket as an assembly and support it with heavy mechanic’s wire or equivalent. DO NOT disconnect the hydraulic brake flexible hose from the caliper. 6. Mark the relationship of the rotor to the bearing hub. 7. If equipped, remove the rotor retaining push nuts from the wheel studs