1991 toyota corolla blower fan switch
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Filed Under (Toyota) by admin on 05-07-2010
1. REMOVE BLOWER SPEED CONTROL SWITCH (a) Remove the illumination light from the A/C control assembly. (b) Using a screwdriver, pry loose the clip and push out the blower speed control switch to rear of the A/C control assembly. 2. INSPECT BLOWER SPEED CONTROL SWITCH CONTINUITY If continuity is not as specified. replace the blower speed control switch. 1991 Toyota Corolla Sedan L4-1587cc 1.6L DOHC (4A-GE) Vehicle Level Heating and Air Conditioning Blower Motor Switch Service and Repair Service and Repair BLOWER SPEED CONTROL SWITCH INSPECTION
Filed Under (Honda) by admin on 21-12-2010
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.
Filed Under (Ford) by admin on 27-10-2010
WARNING: Do not run the engine while the protective components are removed. Failure to follow these instructions may result in personal injury. All vehicles 1. Remove the air cleaner assembly. 2. Drain the cooling system. Supercharged vehicles 3. Remove the supercharger degas bottle. All vehicles 4. Remove the front air deflector. 1 Remove the pin-type retainers. 2 Remove the front air deflector. 5. Remove the upper hose from the radiator. 1 Release the clamp. 2 Disconnect the hose. 6. Remove the degas bottle hose from the radiator. 1 Release the hose clamp and slide it away from the end of the hose. 2 Slide the overflow hose off the radiator fitting. 7. Remove the fan blade assembly and fan clutch. 1 Use the fan pulley holding wrench to hold the water pump pulley steady. 2 Use the fan clutch nut wrench to remove the fan blade and the fan clutch. 7. Remove the fan blade assembly and fan clutch. 1 Use the fan pulley holding wrench to hold the water pump pulley steady. 2 Use the fan clutch nut wrench to remove the fan blade and the fan clutch. 9. NOTE: If the lead retaining clip is broken, install a new lead retaining clip. If equipped, disconnect the fan clutch electrical connector and lead retaining clip. 10. Remove the fan blade and fan shroud out of the vehicle together. 11. Remove the bolts and separate the fan blade assembly from the fan clutch. 12. NOTE: To avoid stripping the threads, use the correct bolts when installing a new fan clutch. Use’ bolts 575632-S426 for fan clutch F85A-8A616 and bolts N602548-S426 for fan clutch 2L34-8A616 and 2C64-8A616. To install, reverse the removal procedure.
Filed Under (Chevrolet) by admin on 20-08-2010
Removal Procedure 1. Remove the upper fan shroud. 2. Install the J 46406 to the fan clutch. 3. Remove the fan hub nut from the water pump in a counterclockwise rotation. 4. Remove the fan clutch bolts from the rear of the fan blade. 5. Separate the fan clutch from the fan blade. Installation Procedure 1. Install the fan clutch bolts from the rear of the fan blade. 2. Notice: Refer to Fastener Notice in Service Precautions. Install the fan clutch bolts. Tighten the bolts to 23 Nm (17 ft. lbs.). 3. Install the fan assembly. 4. Install the J 46406 to the fan clutch. Tighten the nut clockwise to 56 Nm (41 ft. lbs.). 5. Install the upper fan shroud.
Filed Under (Buick) by admin on 17-12-2010
Condition Some customers may comment on an inoperative or intermittent Heating, Ventilation and Air Conditioning (HVAC) blower motor. Others may comment that the blower motor speed may momentarily drop or that the blower motor continues to run after the key is turned off. Cause This condition may be caused by a voltage spike from the wiper motor. The voltage spike may cause a logic lock up in the blower motor control module that may be either momentary or permanent. Correction DO THIS DON’T DO THIS Install a Capacitor at the Blower Motor Control Module Connector Technicians are to install a capacitor, P/N 25073556, at the blower motor control module connector using the following procedure: 1. Disconnect the negative cable from the battery. Refer to the Battery Negative Cable Disconnect/Connect procedure in the Engine Electrical section of SI. 2. Remove the right closeout/insulator panel. Refer to the Closeout/Insulator Panel Replacement-Right procedure in the Instrument Panel, Gages and Console section of SI. DO NOT replace the Blower Motor Control Module, Blower Motor or the HVAC Control Head