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

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Step 1: I began by removing the two (four screws for those who have not modified their hood open latch, see photo (1) screws on the panel under the steering column. Be careful when pulling the panel out because you can break the spring clips that hold the panel in at the top. Photo 1: Hood Latch Section Removed. Step 2: Now that the lower panel is off I removed the Lower Dash Trim Panel Screws and the Radio Bezel Screws indicated by yellow arrows. Also take note in the picture the blue arrow indicating the Hood Latch still in place – no need to remove those P.I.A. screws. Step 3: Now I removed the Dash Trim Panel Upper Screws as indicated by the yellow arrows. Step 4: Next I carefully removed the radio bezel first and then gently squeezed the Dash Trim Panel out over the column. The only way to make that easier is to loosen the steering column bolts and lower the column a little. When you get it out you need to unplug the Headlight and Dimmer Switches as shown. Step 5: Now I removed the 4 screws holding the Instrument Panel in place. Step 6: Now slide the Instrument Panel (IP) forward, pulling the left side out first. This will give you access to the back side so you can remove the plugs from the back of the IP – on my 95 there are three, two white and one black – see the photo. Step 7: Now that the IP is out of the truck you need to remove the IP Bezel. This requires the removal of (7) torx drive screws as indicated in the photo. Screws Bezel Off Step 8: Now we have access to the gauges. To remove the Speedometer you need to gently pry up and remove the gauges on either side of the Speedometer. Then gently pry up and remove the Speedometer. Here is the Speedo out . . . Step 9: Now turn the speedo over and place it face down on a soft towel or rag to protect the gauge face and needles. You will notice I did not do this as I took my time and was careful not to damage anything on the front. This photo shows you the Odometer/Trip Meter Motor installed in the back of the Speedo. To remove the motor gently twist it in a clockwise fashion and it will lift out of the socket. When trying to remove the motor you may either have to depress or lift up on the plastic tabs. Then unplug the leads as shown in this picture.

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Principles of Operation Differential Electronic Module (DEM) and Active On-Demand Coupling The main role of the active on-demand coupling and the differential electronic module (DEM) is to regulate the all wheel drive (AWD) function by distributing torque between the front and rear axles. The system consists of a coupling that combines mechanical, hydraulic and electronic sections. The coupling unit is attached to the rear axle, between the differential gear and the driveshaft. The mechanical and hydraulic sections are driven by the driveshaft. Active on-demand coupling (AOC) has the following characteristics: Permanent AWD with electronic control of torque transfer front to rear 4X4 control module integrated into the DEM Similar to four wheel drive (4WD) operation No driveline wind-up during slow speed maneuvers or parking The system is not sensitive to size differences between the 4 road tires (when driving with a spare wheel, for example). The system is not sensitive to being towed with one axle raised. Inspection and Verification — Electronic Shift 1. Visually inspect for the following obvious signs of mechanical and electrical damage. Visual Inspection Chart Mechanical Axle shafts and universal joints Driveshaft and universal joints Rear differential Differential electronic module (DEM) Fluid leaks Matching tire size 2. If the concern remains after the inspection, connect the scan tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the scan tool menu. If the scan tool does not communicate with the vehicle: check that the program card is correctly installed. check the connections to the vehicle. check the ignition switch position. 3. If the scan tool still does not communicate with the vehicle, refer to the scan tool manual. 4. Carry out the DATA LINK DIAGNOSTICS test. If the scan tool responds with: CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Section 418-00. NO RESP/NOT EQUIP for DEM, GO to Pinpoint Test A. SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out the anti-lock brake system (ABS) module self-test. Carry out one key cycle after clearing codes. 5. If the DTCs retrieved are related to the concern, go to the 4X4 Control Module (DEM) Diagnostic Trouble Code (DTC) Index to continue diagnostics. 6. NOTE: Not all DTCs cause the traction control indicator to illuminate. Refer to the table for specific DTCs. When the 4X4 control module (DEM) detects certain types of faults in the AWD system, a DTC is set and the traction control indicator will stay illuminated until the condition has been repaired and the DTCs are cleared using the scan tool. Carry out one key cycle after clearing codes. DTC P0562 System Voltage Low P0563 System Voltage High P0602 Powertrain Control Module (PCM) Programming Error P0606 ECM/PCM Processor Electrical Smart junction box (SJB) mini-fuse 19 (10A) Differential electronic module (DEM) Wiring harness Connector(s) Circuitry Description Traction Control Indicator State OFF OFF ON ON

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1. Remove the instrument panel cluster. Refer to Instrument Cluster Replacement . 2. Remove the cluster lamp. Installation Procedure 1. Install the cluster lamp. 2. Install the instrument panel cluster. Refer to Instrument Cluster Replacement

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NOTE: If a heater core leak is suspected, the heater core must be pressure leak tested before it is removed from the vehicle. For additional information, refer to Section 412-00. 1. Drain the radiator. For additional information, refer to Section 303-03A. 2. Remove the instrument panel. For additional information, refer to Section 501-12. 3. Disconnect the heater core hose couplings. For additional information, refer to Section 412-00. 4. Remove the A/C plenum demister adapter. 1. Remove the screw. 2. Remove the A/C plenum demister adapter. 5. Remove the screws and position aside the relay bracket. 6. Disconnect the vacuum line. 7. Remove the plenum chamber top. 1. Remove the 15 screws. 2. Remove the plenum chamber top. 8. Remove the blend door assembly from the case. 9. Remove the heater core. 10. To install, reverse the removal procedure. Lubricate the coolant hoses with coolant hose lubricant or plain water only, if needed.

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Temperature Blend Door Actuator Removal All vehicles 1. WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing or replacing any front or side air bag supplemental restraint (SRS) components and before servicing, replacing, adjusting or striking components near the front or side air bag sensors, such as doors, instrument panel, console, door latches, strikers, seats and hood latches. To deplete the backup power supply energy, disconnect the battery ground cable and wait at least one minute. Be sure to disconnect auxiliary batteries and power supplies (if equipped). Disconnect the battery ground cable and wait at least one minute. For additional information, refer to Section 414-01. Vehicles equipped with floor console 2. Remove the floor console. For additional information, refer to Section 501-12. All vehicles 3. Remove the floor duct panel. Remove the pin-type retainers and release the expander clip. 4. Remove the RH instrument panel brake. 1. Remove the nut. 2. Remove the bolt. 3. Remove the brace. 5. Remove the LH instrument panel lower nut and position the brace aside. 6. Disconnect the restraints control module (RCM) electrical connector. 7. Remove the RCM and bracket assembly. 1. Remove the bracket retaining bolts. 2. Remove the RCM and bracket assembly. Vehicles equipped with rear airflow duct 8. Cut the rear seat airflow duct along both sides. Fold back carpet. Cut rear seat airflow duct. 9. Fold the air duct rearwards. All vehicles 10. Remove the floor duct. 1. Remove the two screws (one each side). 2. Remove the floor duct. 11. Remove the electronic blend door actuator. 1. Disconnect the connector. 2. Remove the screws. 3. Pull down to release the actuator shaft and remove the electronic blend door actuator. Installation All vehicles 1. Install the electronic blend door actuator. 1. Connect the actuator shaft. 2. Install the screws. 3. Connect the connector. 2. Install the floor duct. 1. Install the floor duct. 2. Install the two screws (one each side). Vehicles equipped with rear airflow duct 3. Zip-tie the rear airflow duct to floor duct. 4. Reposition the carpet. All vehicles WARNING: The tightening torque of the restraints control module (RCM) retaining bolts is critical for correct system operation. 5. Install the RCM and bracket assembly. 6. Connect the restraints control module (RCM) electrical connector.