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how to repair gm prndl display

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1999 GMC Truck Yukon PRNDL Display Inaccurate or Inoperative PRNDL Inaccurate Repair Manual

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Did you perform the Instrument Cluster System Check? — Go to Step 2 Go to Instrument Cluster System Check 2 1. Disconnect the Transmission Range (TR) Switch connector C2. 2. Turn the ignition switch to the RUN position. 3. Conduct the PRNDL Logic Input Test by connecting fused jumper wires between ground and the appointed cavities of the TR Switch connector. Refer to PRNDL Logic Input Test PRNDL Logic Input Test . 4. Repeat for each transmission range. Do all ranges illuminate? — Go to Step 3 Go to Step 4 3 Adjust the transmission range switch. Refer to Park/Neutral Position Switch Adjustment (4L60E); Park/Neutral Position Switch Adjustment (4L80E) Automatic Transmissions. Replace the PNP Switch. Refer to Park/Neutral Position Switch Replacement (4L60E); Park/Neutral Position Switch Replacement (4L80E) in Automatic Transmissions. Is the repair complete? — Go to Instrument Cluster System Check — 4 1. Remove the I/P Cluster. 2. Connect a J 39200 DMM (continuity) between the I/P Cluster connector and connector C2 of the TR Switch to those circuit(s) that connected to the faulty PRNDL indicators. Is continuity present in the circuit(s) tested? — Go to Step 6 Go to Step 5 5 Locate and repair the open in the circuit(s) that are faulty between the TR Switch and the I/P Cluster. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? — Go to Instrument Cluster System Check — 6 Connect a J 39200 DMM (continuity) between the I/P Cluster connector and ground to those circuit(s) that connected to the faulty PRNDL indicators. Is continuity present in the circuit(s) tested? — Go to Step 7 Go to Step 8 Locate and repair the short to ground in the circuit(s) that are faulty between the TR Switch and the I/P Cluster. Refer to Wiring 7 Repairs in Wiring Systems. Is the repair complete? — Go to Instrument Cluster System Check — 8 Replace the I/P Cluster. Refer to Instrument Panel Cluster (IPC) Replacement . Is the repair complete?

1997 Chevrolet Chevy K Pickup DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1 Repair Manual

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The number below refers to the step number on the diagnostic table. 2. This test determines if the conditions exist in order to set the DTC P0152. 3. If the HO2S (Bank 2, Sensor 1) is intrnally shorted, the HO2S (Bank 2, Sensor 1) voltage displayed on a scan tool will be over 1.0 volt (1000 mV). Important: Before clearing DTCs, use the scan tool in order to record the Freeze Frame and the Failure Records for reference. This data will be lost when the Clear DTC Information function is used. Was the Powertrain On-Board Diagnostic (OBD) System Check performed? — Go to Step 2 Go to Powertrain On Board Diagnostic (OBD) System Check 2 1. Connect the scan tool. 2. Run the engine at the normal operating temperature. 3. Place the vehicle in park or neutral. 4. Apply the parking brake. 5. Increase the engine speed to the specified value. Does the scan tool data display indicate HO2S sensor voltage fixed above the specified value? 1200 RPM 0.976 V (976 mV) Go to Step 3 Go to Step 4 3 1. Disconnect the HO2S. 2. Turn on the ignition while leaving the engine OFF. 3. Turn ON the ignition leaving the engine off. Does the scan tool data display indicate the HO2S voltage near the specified value? 400 mV) Go to Step 6 Go to Step 5 4 The DTC is intermittent. Are any additional DTCs set? — Go to the applicable DTC table Go to Diagnostic Aids 5 1. Check for a short to voltage in the HO2S Signal circuit. 2. If a problem is found, repair the circuit as necessary. Refer to Wiring Repairs in Electrical Diagnosis. Was the HO2S Signal circuit shorted? — Go to Step 8 Go to Step 7 6 Replace the HO2S. Refer to Heated Oxygen Sensor (HO2S) Replacement . Is the action complete? — Go to Step 8 — 7 Replace the VCM. Important: When replacing the VCM, the new VCM will need to be programed. Refer to VCM Replacement/Programming . Is the action complete? — Go to Step 8 — 1. Use the scan tool in order to select the DTC and the Clear DTC Information functions.

1992 Ford Taurus V6 Dashboard / Instrument Panel Service and Repair Removal and Installation

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Removal and Installation 1. Position front wheels in the straight ahead position. 2. Disconnect positive battery cable. 3. Remove cluster finish panel, please refer to Body and Frame/Interior Trim/Dash Board/Service and Repair/ See 4. Disconnect all electrical connections from steering column switches. 5. Remove two bolts and reinforcement from under steering column. 6. Disengage insulator retainer and remove insulator. 7. Remove four nuts and absorber assembly from under steering column. CAUTION: Do not rotate steering column shaft. 8. Disconnect park brake release cable and wiring connector from park brake and ignition switch wiring connector. 9. Remove four nuts retaining steering column to support, disconnect PRNDL cable (column shift) and lower column on front seat. Cover front seat to protect from damage. 10. Install lock cylinder to ensure that steering column shaft does not turn. 11. Remove four retaining screws from cluster, disconnect wiring and remove. 12. Remove one bolt at steering column opening attaching instrument panel to brace 13. Remove one instrument panel brace retaining bolt (under the radio area). 14. Remove sound insulator under glove compartment by removing two pushnuts that secure insulator to studs on climate control case. 15. Remove three screws attaching glove compartment assembly to instrument panel and remove door assembly. 16. Remove air cleaner, battery and battery tray.

HONDA CR-V Moan or Groan From the Rear Differential REPAIR PROCEDURE

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REPAIR PROCEDURE: 2002-04 MODELS 1. Replace the rear differential fluid: •Refer to page 15-13 of the 2002-04 CR-V Service Manual , or •Online, enter keywords REAR DIFF, and select Rear Differential Fluid Inspection and Replacement (4WD) from the list. 2. Raise the vehicle on a lift until all four wheels are completely off the ground and can rotate freely. 3. Start the engine, and let it idle until the radiator fan cycles on and off twice. 4. Burnish the rear differential clutches: Automatic transmission models – •Set the parking brake, and shift the transmission to D. Let the engine idle for 5 minutes. •With the shift lever in D, release the parking brake, keep the wheel speed at 10 mph, and let all four wheels rotate freely for 5 minutes. •Apply the brakes to stop the wheels, repeat the bulleted steps one more time, then go to step 5. Manual transmission models – •With the engine idling and the parking brake released, shift the transmission into 1st, release the clutch, and let the wheels rotate for 5 minutes. •Disengage the clutch, and apply the brakes to stop the wheels. Shift the transmission into reverse, release the clutch, and let the wheels rotate for 5 minutes. •Shift the transmission into neutral, then apply the brakes to stop the wheels. •Repeat the bulleted steps one more time, then go to step 5. 5. Shift the transmission to P (A/T) or neutral (M/T), and turn off the engine. 6. Let the rear differential cool for 10 minutes

2000 Pontiac Bonneville V6-3.8L VIN K – A/T 4T65E Harsh Shifts/Shudders/Slips Repair Manual

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Line Pressure Check Procedure Tools Required Important: Before performing a line pressure check, verify that the pressure control (PC) solenoid valve is receiving the correct electrical signal from the PCM. Caution: Keep the brakes applied at all times in order to prevent unexpected vehicle motion. Personal injury may result it the vehicle moves unexpectedly. J 21867Universal Pressure Gauge Set 1. Install a Scan Tool. 2. Start the engine and set the parking brake. 3. Check for a stored Diagnostic Trouble Code (DTC). 4. Repair the vehicle, if necessary. 5. Check the fluid level. Refer to the Transmission Fluid Checking Procedure. 6. Check the manual linkage for proper adjustment. 7. Turn the engine OFF. Remove the oil pressure test hole plug and install the J 21867. 8. Put the gear selector in PARK range and set the parking brake. 9. Start the engine and allow the engine to warm up at idle Notice: Total test running time should not be longer than two minutes, or else transmission damage could occur. Notice: Refer to Fastener Notice in Cautions and Notices. Parts Information 10. Access the PC solenoid valve control test on the Scan Tool. Zoom Sized for Print 11. Increase the PC solenoid as shown actual current from 0.0 to 1.0 amps in 0.1 amp increments. Allow the pressure to stabilize for five seconds after each pressure change. Read the corresponding line pressure on the J 21867. 12. Refer to the Line Pressure specification table. Compare the data to the table. 13. If pressure readings differ greatly from the table, refer to Incorrect Line Pressure. 14. Remove the J 21867. 15. Apply sealant, P/N 12345382 (in Canada, P/N 10953489), to the oil pressure test hole plug. 16. Install the oil pressure test hole plug. Tighten Tighten the oil pressure test hole plug to 12 N.m (106 lb in).