Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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90 Nm + 45 ° ( 1 / 8 ) additional turn. loosening and tightening Remove any paint residue and/or corrosion in the threads of outer joint before screwing on nut. 3 – Phillips-head screw 4 – Brake disc Notes for repairing 5 – Brake caliper Do not remove brake hose when working on front wheel suspension Hang with wire or similar means Replace brake pads 6 – Metal countersunk screw 7 – Wheel hub Pressing out Pressing in Remove bearing inner race 8 – Rotor for speed sensor Only on vehicles with ABS Front brakes – brake caliper Girling, servicing Brake pads, removing and installing 9 – Hex bolt, 10 Nm 10 – Cover plate 11 – Securing ring Check for proper seating 12 – Wheel bearing Pressing out Replace, destroyed during ejection Pressing in 13 – Self-locking hex nut, 35 Nm 14 – Wheel bearing housing 15 – Ribbed bolt, 125 Nm 16 – Drive axle Removing and installing Servicing 17 – Multipoint socket head bolt, 45 Nm 18 – Hex bolt Camber setting Drive axle with triple rotor joint, removing and installing Drive axle, servicing Camber of front wheels, adjusting Mark installation position before loosening 19 – Hex bolt 20 – Bracket 21 – Stop 22 – Self-locking hex nut, 60 Nm unbolt and bolt in 23 – Suspension strut Disassembling and assembling 24 – Self-locking hex nut, 95 Nm 25 – Tie rod Removing and installing Front suspension strut – Basic/Plus suspensions, servicing Tie rod – power steering gear, TRW and ZF, removing and installing

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Removal 1. Raise and support vehicle. Remove front wheel. Remove shock absorber. See LOWER CONTROL ARM & BALL JOINT . Remove hub grease cap. Remove ABS speed sensor and wire harness clamp from steering knuckle. Remove brakeline bracket from steering knuckle. Remove the bolt and separate the brake tube bracket from the steering knuckle. Using Special Tool (09023-00100), disconnect the brake tube from the front disc brake caliper assembly. Remove the bolt and separate the brake tube bracket from the steering knuckle. Remove the 2 bolts and front disc brake caliper assembly. Remove rotor. 2. On 4WD models, using a screwdriver and a hammer, remove the front axle hub grease cap. Remove the cotter pin and a lock cap. Remove the front axle hub nut. On all models, remove the nut and separate the stabilizer link assembly from the steering knuckle. Remove the cotter pin. Using Special Tool (09628- 62011), separate the tie rod end sub-assembly from the steering knuckle. 3. Remove 2 lower ball joint bolts, and disconnect lower ball joint. Remove upper ball joint, cotter pin and retaining nut. Using ball joint separator, separate upper ball joint from knuckle. On 4WD models, using a plastic hammer, separate the front axle hub from the front drive shaft. Remove the front axle hub sub- assembly. On all models, remove steering knuckle with hub. Installation To install, reverse removal procedure. Clean bolt threads. Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS . Depress brake pedal several times. Check front wheel alignment. Ensure ABS speed sensor has a good signal.

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Special Tool(s) Remover, Front Hub 205-D070 (D93P-1175-B) or equivalent Remover, Steering Arm 211-003 (T64P-3590-F) Remover, Tie-Rod End 211-105 (T85M-3395-A) Separator, Ball Joint 204-592 Adapter for 204-592 204-592/1 Installer, Halfshaft 204-161 (T97P-1175-A) Removal NOTICE: Suspension fasteners are critical parts because they affect performance of vital parts and systems and their failure can result in major service expense. A new part with the same part number must be installed if installation becomes necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure of correct retention of these parts. 1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100-02. 2. If equipped, remove the wheel speed sensor bolt. 3. If equipped, remove the wheel speed sensor harness bolt and position the wheel speed sensor aside. 4. NOTE: Apply the brake to keep the halfshaft from rotating. Remove and discard the halfshaft nut. 5. NOTICE: Do not allow the caliper and anchor plate assembly to hang from the brake hose or damage to the hose can occur. Remove the bolts and position the caliper and anchor plate assembly aside. Support the caliper and anchor plate assembly using mechanic’s wire. 6. Remove the 2 brake disc bolts and the brake disc. 7. Using the special tool, separate the halfshaft from the wheel hub. 8. Remove and discard the upper ball joint nut. 9. Using the special tool, separate the upper ball joint from the wheel knuckle. 10. Remove and discard the tie-rod end cotter pin and nut. 11. NOTICE: Do not use a hammer to separate the tie-rod end from the wheel knuckle or damage to the wheel knuckle can result. Using the special tool, separate the tie-rod end from the wheel knuckle.

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Condition Some customers may comment on ABS activation at low speeds, usually below 8 km/h (5 mph). Upon investigation, the technician will find no DTCs set. Cause The cause of this condition may be an increased air gap between the wheel speed sensor and the hub reluctor ring due to rust and debris built up on the sensor mounting surface. Correction Measure AC voltage and clean the wheel speed sensor mounting surfaces. 1. 2. 3. 4. Raise and support the vehicle. Disconnect both the front wheel speed sensor connectors at the frame and harness. Place a Digital Volt Meter (DVM) across the terminals of each wheel speed sensor connector. Rotate the wheel clockwise approximately one revolution per second. The minimum reading should be at least 350 ACmV’s. If the reading is less than 350 ACmV’s, remove the wheel speed sensor. 5. Plug the wheel speed sensor bore in order to prevent debris from falling into the hub during service. 6. Clean the wheel speed sensor mounting surface using a wire brush, sand paper, emery cloth, scotch brite, or other suitable material. Be sure to thoroughly clean the wheel speed sensor surface. There should be no rust or corrosion. 7. Check the sensor head to determine if it has been warped/distorted due to the corrosion build up or other causes. Check the mounting surface on the sensor head for flatness by placing it on the edge of a metal machinists scale or other suitable straight edge to measure the flatness. Check the sensor for flatness in multiple (minimum 3) positions/directions. If the sensor head is distorted, replace the sensor. 8. Apply (spray) two thin coats of the specified rust penetrating lubricant (corrosion inhibitor) to the complete sensor mounting surface on the bearing hub. Allow to dry for 3-5 minutes between coats. Use ONLY Rust Penetrating Lubricant, P/N 89022217 (in Canada, P/N 89022218). 9. When the corrosion inhibitor is dry to the touch (about 10 minutes), apply a thin layer of bearing grease to the hub surface and sensor O-ring prior to sensor installation. Use ONLY Wheel Bearing Lubricant, P/N 01051344 (in Canada, P/N 993037). 10.Install either the original sensor or a new one in the hub. Ensure that the sensor is seated flush against the hub. Refer to the applicable Wheel Speed Sensor Replacement procedure in the ABS sub-section of the Service Manual. 11.Place the DVM across the sensor terminals and recheck the voltage while rotating the wheel. The voltage should now read at least 350 ACmV’s.

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Condition Some customers may comment on intermittent illumination of the Service 4WD light. Upon investigation, the technician may find DTC C0374 set. The customer may also comment on intermittent erratic operation of the 4WD or AWD system after driving through rain/snow or simply going through a car wash. Cause The speed sensor signal may have become corrupted. Possible openings in the speed sensor wire insulation (twisted pairs) can allow water intrusion. Also, wire connections contaminated by water may result in short circuits and erroneous speed sensor readings. This most often occurs on the rear speed sensor circuit. Correction Inspect the wiring harness to the transfer case speed sensors. On Rainier, TrailBlazer, Envoy and 9-7X models, fabricate a replacement speed sensor harness between the C101 connector and the speed sensors. Completely inspect and test all wiring. Refer to Speed Signal, Front Axle Actuator, and Indicators schematic in SI. Replace the affected twisted pairs. Do not over-twist the two wires in the replacement harness. Wires should be twisted at a rate of 9 revolutions per foot. Use service connector pack, P/N 88987993, at the speed sensor end and terminal, P/N 15326267, at C101. Terminal testing tools and service terminals can be found in Terminal Repair Kit J 38125. Terminals are available from SPX/Kent-Moore. Call 1-800-GM-TOOLS (1-800-468-6657). The smaller transfer case harness splices into the larger chassis harness a few inches in front of the