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how to replace ignition switch on 97 chevy silverado

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Various Concerns With Shifter and/or Ignition Key (Replace Shifter Assembly/Shifter Components or Ignition Lock Cylinder )

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2005-2007 Chevrolet Cobalt 2005-2006 Pontiac Pursuit (Canada Only) 2007 Pontiac G5 with Automatic Transmission 4T45-E (RPO MN5) The illustration above shows the switch in a correct position. Cause 3 Metal flashing left in the cylinder may cause a high effort to rotate the key. Cause 4 The slider may be binding in the guides. This may cause the shifter to become difficult to operate. Correction 1 Verify that the shifter button is inoperative by evaluating if the park pawl pin on the shifter assembly moves when activating the button. If the parking pawl does not move when the button is activated, the shifter handle will have to be replaced. Refer to Floor Shifter Control Knob Replacement in SI. Correction 2 Important: A change has been made to the shifter assembly for service. The replacement shifter assembly will read PRNDIL (Park, Reverse, Neutral, Drive, Intermediate and Low). Verify that the micro switch is out of position. Replace the shifter assembly. Refer to Transmission Control Replacement in SI. Correction 3 Important: Refer to instruction sheet that is supplied with the lock cylinder kit. BO 47869 is an essential staking tool and must be used for the repair. Replace the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement in SI. Correction 4 Replace the slide indicator and guides in the shifter following the procedure below: 1. Apply the parking brake. 2. Remove the upper console trim. Refer to Trim Plate Replacement-Console Front in SI. 3. Remove shifter knob. Refer to Floor Shifter Control Knob Replacement in SI. 4. Remove the indicator plate. Use a flat-bladed screwdriver to release the locking tabs. 5. Remove the shifter indicator lens. 6. Pull up on the indicator and remove it from the assembly. 7. Remove the two front rails by unsnapping the front and lifting up, and then back, to remove the rails from the shifter assembly. 8. Install the new guides. Place the hook end into the assembly and push down. It will snap into place. 9. Install the new slide indicator. With the transmission in neutral, place the slide over the shifter and into the guides. Move the slide indicator down the guides in the front and rear. Important: Replace the shifter indicator lens if damage is present due to the slider binding or if it becomes damaged during disassembly. 10. Install the shift indicator lens. 11. Install the shift indicator plate. 12. Install the shifter knob. Refer to Floor Shifter Control Knob Replacement in SI. 13. Install the upper console trim. Refer to Trim Plate Replacement-Console Front in SI

2004 Chevrolet Chevy K Silverado – 4WD Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup

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Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup Removal Procedure Important Clean the evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in order to avoid possible system contamination. 1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the harness clip from the canister vent solenoid (CVS) line. 3. Disconnect the CVS electrical connector. 2004 Chevrolet Chevy K Silverado – 4WD 4. If the vehicle is equipped with a 6 ft box, disconnect the EVAP CVS line from the canister. 5. Remove the CVS clip from the frame crossmember. 6. Push in the retainer and remove the CVS from the fuel tank clip. 7. If the vehicle is equipped with a 8 ft box, disconnect the EVAP CVS line from the canister. 8. Remove the CVS clip from the frame crossmember. 9. Push in the retainer and remove the CVS from the fuel tank clip. Installation Procedure 1. If the vehicle is equipped with a 8 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 8 ft box, the CVS line is routed below the frame crossmember. 2. Install the CVS clip to the frame crossmember. 3. Connect the EVAP CVS line to the canister. 4. If the vehicle is equipped with a 6 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 6 ft box, the CVS line is routed above the frame crossmember. 5. Install the CVS clip to the frame crossmember. 6. Connect the EVAP CVS line to the canister. 7. Connect the CVS electrical connector. 8. Install the harness clip to the canister vent solenoid (CVS) line. 9. Lower the vehicle.

2004 Honda Element EX ROCKER ARM OIL PRESSURE SWITCH (VTEC OIL PRESSURE SWITCH) CIRCUIT HIGH VOLTAGE MANUAL

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1. Check the engine oil level. Is the level OK? YES- Go to step 2 . NO- Adjust the engine oil to the proper level, then go to step 14 . 2. Turn the ignition switch ON (II). 3. Clear the DTC with the HDS. 4. Do the VTEC TEST in the INSPECTION MENU with the HDS. Is the result OK? YES- Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the rocker arm oil pressure switch (VTEC oil pressure switch) and the ECM/PCM. NO- Go to step 5 . 5. Check the result of step 4 . * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Failure * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Open * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) SIG Line Open * Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) GND Line Open Is the test result any of the above? YES- Go to step 6 . NO- Check for poor connections or loose terminals at the rocker arm oil pressure switch (VTEC oil pressure switch). If it is OK, replace the rocker arm oil control solenoid (VTEC solenoid valve) (see step CMP SENSOR A REPLACEMENT ), then go to 14 . 6. Turn the ignition switch OFF. 7. Disconnect the rocker arm oil pressure switch (VTEC oil pressure switch) 2P connector. 8. Check for continuity between rocker arm oil pressure switch (VTEC oil pressure switch) 2P connector terminals No. 1 and No. 2 Fig. 16: Checking Continuity Between Rocker Arm Oil Pressure Switch 2P Connector Terminals Courtesy of AMERICAN HONDA MOTOR CO., INC. Is there continuity? YES- Go to step 9 . NO- Replace the rocker arm oil pressure switch (VTEC oil pressure switch) (see ROCKER ARM OIL PRESSURE SWITCH (VTEC OIL PRESSURE SWITCH) REMOVAL/INSTALLATION ), then go to step 13 . 9. Turn the ignition switch ON (II). 10. Measure voltage between rocker arm oil pressure switch (VTEC oil pressure switch) 2P connector terminal No. 1 and body ground

2003 Chevrolet Chevy K Silverado Exhaust Popping/Snapping Noise When Vehicle is Hot, at Idle, or Immediately After Vehicle is Shut Off (Replace Muffler Heat Shield) Service Manual

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Follow the service procedure below to correct this condition. Important: Some popping/snapping noise from the exhaust system during cool down is a normal condition. The customer should be made aware that this service procedure is designed to reduce but not eliminate all exhaust system popping and snapping during cool down. 1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. Caution: 2. Remove the nuts securing the muffler to the catalytic converter. 3. On 6.0L and 8.1L equipped vehicles only, loosen the exhaust pipe clamp. Important: Do not use oil base lubricants on the rubber exhaust hangers. 4. Apply a soapy solution to the exhaust pipe hanger rods in order to ease the removal of the exhaust hangers. 5. Pry the exhaust hangers free from the exhaust pipe hanger rods. Important: It is not necessary to remove the muffler from the vehicle to replace the muffler heat shield. 6. Reposition the muffler to gain access to the muffler heat shield 7. Using an air-powered hack saw blade, or equivalent, cut off the existing muffler heat shield just as the heat shield rises off of the muffler. See the illustration above. 8. Remove the heat shield from the muffler. 9. Hammer flush the remaining heat shield to the muffler. Important: 10. Install the new heat shield (see parts list below) onto the muffler as shown above.

1993 Ford Escort CIRCUIT TEST J – FUEL PUMP CIRCUIT (RELAY AND INERTIA SWITCH)

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resistance between test pin No. 22 and test pins No. 40 and 60. If resistance is less than 10,000 ohms, repair short circuit and repeat QUICK TEST. If resistance is 10,000 ohms or more, go to step 5). 5)Check Fuel Pump Circuit Continuity Turn ignition off. Leave fuel pump relay and PCM disconnected. Measure resistance between FUEL PUMP circuit at fuel pump relay wiring harness connector and test pin No. 22 at breakout box. If resistance is less than 5 ohms, replace PCM and repeat QUICK TEST. If resistance is 5 ohms or more, repair open circuit and repeat QUICK TEST. 10)Code 95/542 A KOEO Code 95/542 indicates one of the following conditions: Engine Starts: * Fuel pump secondary circuit shorted to power. * Fuel pump relay contacts always closed. * Open FPM circuit between PCM and junction to POWER-TO-PUMP circuit. * Left/front HO2S short to power (dual HO2S applications). * Faulty PCM. No Start: * IFS switch circuit open or not reset. * Open circuit in or between PCM and fuel pump. * Faulty ground connection at fuel pump. * Faulty fuel pump. If engine starts, go to step 11). If engine does not start, go to step 15). 11)Check Fuel Pump Operation Turn ignition on. Wait 5 seconds. Listen for fuel pump operation. If fuel pump is off, go to step 13). If fuel pump is on, go to step 12). 12)Check For Fuel Pump Relay Always Closed Turn ignition off. Disconnect fuel pump relay. Turn ignition on. If fuel pump is off with relay disconnected, replace fuel pump relay and repeat QUICK TEST. If fuel pump is on with relay disconnected, repair short to power in POWER-TO-PUMP or FPM circuit. (For models with relay block, also check fuel pump prime plug circuit). Repeat QUICK TEST. 13)Check Continuity Of Fuel Pump Monitor (FPM) Circuit Turn ignition off. Disconnect PCM 60-pin connector. Inspect and repair any damaged terminals. Install EEC-IV Breakout Box (T83L-50-EEC-IV) , leaving PCM disconnected. Disconnect fuel pump relay. Measure resistance between test pin No. 8 (No. 19 on Escort, and Tracer) at breakout box and POWER-TO-PUMP circuit at fuel pump relay wiring harness connector. If resistance is less than 5 ohms, go to step 25) (dual HO2S) or replace PCM and repeat QUICK TEST (single HO2S). If resistance is 5 ohms or more, repair open circuit and repeat QUICK TEST