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how to remove radiator cooling fans on 1999 caravan

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1999 Saturn SL1 L4-1.9L SOHC VIN 8 Engine – Driveability Concerns/ Cooling System DTC’s Set

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1. Disconnect engine coolant temperature sensor electrical connector and inspect sensor and connector terminals for corrosion and/or evidence of engine coolant. ^If terminals are corroded or if there is evidence of engine coolant proceed to step 4. ^If terminals are not corroded and there is no evidence of engine coolant, reconnect the electrical connector and continue to next step. 2. Perform one or both of the following checks to determine whether the engine coolant temperature sensor is providing the correct temperature indication. If engine coolant temperature sensor reading does not pass either of the above tests, continue with next step. ^If engine is at ambient temperature (vehicle has been sitting overnight or not started for several hours), use a Scan tool to compare the inlet air temperature ( IAT ) to the engine coolant temperature ( ECT ). These two readings should be within 2°C (4°F) of each other. ^If engine is at operating temperature, install a thermometer in the coolant recovery reservoir. With the engine running and A/C off, use a Scan tool to compare the engine coolant temperature sensor reading to the thermometer reading. These two readings should be within 8°C (15°F) of each other If engine coolant temperature sensor reading passes both of the tests above, refer to appropriate symptom diagnostic chart in the Engine/Emissions Controls Section of applicable Engine Service Manual. 3. Turn ignition off. 4Remove coolant surge tank cap. 5. Drain at least 1.9 L (2 Qt.) of engine coolant from the cooling system by opening radiator drain valve or removing engine drain plug. Collect engine coolant in a container. 6. Disconnect engine coolant temperature sensor electrical connector. 7. Remove engine coolant temperature sensor from cylinder head. 8. Obtain replacement engine coolant temperature sensor (P/N 21025106). 9. Use appropriate tap to clean sensor mounting hole of any thread sealant residue. 10. Install engine coolant temperature sensor in cylinder head. Torque: Engine Coolant Temperature Sensor: 8 Nm (71 in-lbs) 11. Inspect harness connector terminals for corrosion and/or evidence of engine coolant. If harness connector terminals are corroded or there is evidence of engine coolant, the harness connector must be replaced with new connector (P/N 12117087-includes: connector, terminals, wires, and splice sleeves). 12. Connect engine coolant temperature sensor connector. 13. Transfer engine coolant drained in step 5 into coolant surge tank. If necessary fill coolant surge tank to the FULL COLD range with 50/50 solution of correct type of antifreeze and clean water. 14. Start engine and check for leaks. 15. Run engine until upper radiator hose is hot, then add additional coolant if needed to bring the level to the FULL COLD level (1991-early 1997) or within the Min./Max. cold range (late l997-2001). 16. Install coolant surge tank cap.

1998 Dodge Truck Caravan Replace Radiator Fan Relay

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1. With the ignition key in the OFF position, disconnect the battery. 2. Remove the two (2) screws that attach the air inlet resonator to the upper radiator support. 3. Disconnect the upper and lower air inlet hoses from the resonator and remove the resonator. 4. Remove the air cleaner housing. 5. Locate the radiator cooling fan relay on the left front inner frame rail just behind the radiator (Figure 1). 6. Disconnect the radiator fan relay wiring connector. 7. Remove the radiator fan relay. Discard the relay and the attaching screws. 8. Install the new radiator fan relay using the supplied screws. Tighten the screws to 35 in-lbs (4 N.m). CAUTION: Do not over torque screws. To ensure heat transfer and proper operation, the new radiator fan relay must be installed using both of the provided screws. 9. Connect the radiator fan relay electrical connector. Slide the red latch to the locked position. 10. Install the air cleaner housing. 11. Install the resonator assembly and connect the upper and lower air inlet hoses. 12. Install the resonator to upper radiator support screws. Tighten the screws securely. 13. Connect the negative battery cable.

2000 Ford Ranger Cooling System Draining Filling and Bleeding Repair Manual

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NOTE: Less than 80% of the coolant capacity can be recovered with the engine in the vehicle. Dirty, rusty or contaminated coolant requires replacement. 1. Release the pressure in the cooling system by slowly turning the pressure relief cap one half to one turn counterclockwise to the first stop on the filler neck. When the pressure has been released, remove the pressure relief cap. 2. Raise and support the vehicle, For additional information, refer to Section 100-02 . 3. Remove the lower radiator cover. 4. Place a suitable container below the radiator draincock. Drain the coolant. 5. Close the radiator draincock when finished. Filling and Bleeding with RADKITPLUS 1. Using the special tool, install the RADKITPLUS and follow the RADKITPLUS manufacturer’s instructions to fill and bleed the cooling system. Filling without RADKITPLUS CAUTION: Engine coolant provides freeze protection, boil protection, cooling efficiency and corrosion protection to the engine and cooling components. In order to obtain these protections, the engine coolant must be maintained at the correct concentration and fluid level. When adding engine coolant, use a 50/50 mixture of engine coolant and clean, drinkable water. To maintain the integrity of the coolant and the cooling system: * Add Motorcraft Premium Engine Coolant VC-4-A (in Oregon VC-5, in Canada CXC-10) or equivalent meeting Ford specification ESE-M97B44-A. * Do not add Motorcraft Specialty Engine Coolant such as VC-2 or an equivalent meeting Ford specification WSS-M97B44-D. Mixing coolants can degrade the coolant’s corrosion protection. * Do not add alcohol, methanol, or brine, or any engine coolants mixed with alcohol or methanol antifreeze. These can cause engine damage from overheating or freezing. * Do not mix with recycled coolants unless they meet the requirements of Ford specification ESE-M97B44-A or WSS-M97B51-A1. Not all coolant recycling processes meet these Ford specifications. Use of such coolants can harm the engine and cooling system components. All engines 1. Install the lower radiator cover.

1999 Mercury Sable V6-3.0L DOHC A/ T-Cooler Flushing Service Manual

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SERVICE PROCEDURE Prior methods of cooler flushing have not obtained the level of cooler cleaning and contaminant removal that is required to prevent repeat repairs. The “Turbo-Tank Heated Cooler Line Flusher” uses heated Automatic Transmission Fluid ( ATF ) and a pulsating action to loosen system contamination. Previous equipment used solvents to clean & flush coolers, lines and torque- converters. There are 2 issues with this method: Aerosol Solvents should never be used for several reasons. NOTE YOU MUST IDENTIFY THE RETURN COOLER LINE TO START THE BACK FLUSHING PROCEDURE. A quick way to identify the return cooler line (fluid coming out of the cooler and returning to the transmission) is to locate the return cooler line fitting on the transmission case . Refer to the following lists: Rear Wheel Drive ^Residual solvent contamination can cause damage to friction bonding materials within the transmission (Clutches and Bands). ^Lack of fluid heating and agitation prevents this method from completely removing contamination from lines, in-radiator coolers and auxiliary coolers. ^They do not provide the volume necessary to remove heavy contaminants. ^They evaporate quickly and essentially leave contaminants in pockets, bends, or wherever they are as the solvent dries. ^TORQSHIFT, 4R100, E40D, C6 – The REAR transmission case filling receives the return line. ^4R70W, AODE, AOD – The TOP transmission case filling receives the return line. ^A4LD, 4R44/55E, 5R55E, 5R55N, 5R55W, 5R55S The TOP transmission case filling receives the return line. ^CD4E – The REAR or Pump End transaxle case fitting receives the return line. ^4F27E – The REAR or Cover End transaxle case fitting receives the return line. ^AXOD, AXODE, AX4S, AX4N, 4F50N – The BOTTOM transaxle cooler line fitting receives the return line. 1. Check and top off fluid level of the “Turbo-Tank Heated Cooler Line Flusher” tank with transmission fluid. 2. Allow the fluid in the flusher 15-30 minutes to heat up to 140°F (60°C) before using. 3. Install line adapters into the transmission cooler lines. 4. Attach the flusher’s blue line to the transmission return cooler line quick disconnect. 5. Attach the flusher’s red line to the transmission outlet cooler line quick disconnect. a. Follow equipment instructions, to purge cooler lines and cooler prior to starting flushing procedure (using factory installed purge valve and clear hose on “Turbo-Tank Heated Cooler Line Flusher”). 6. Allow the cooling system to back-flush for 10-15 minutes, then flush the cooler in a forward/normal flow direction for an additional 10-15 minutes

2003 Buick Truck Rendezvous Draining and Filling Cooling System Repair Manual

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Draining and Filling Cooling System Notes Draining and Filling Cooling System Draining Procedure Important: Do NOT add any engine coolant supplement sealant pellets to the cooling system. Drain and refill the engine cooling system every 5 years or 240 000 km, (150,000 ml) , whichever occurs first. 1. Park the vehicle on a level surface. 2. Remove and clean the coolant recovery reservoir. Caution: To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap its removed while the engine and radiator are still hot. 3.1. Slowly rotate the cap counterclockwise to the detention tab. Do not press down while rotating pressure cap. 3.2. Wait until any residual pressure, indicated by a hissing sound, is relieved. 3.3. After all hissing stops, press down on the radiator cap and rotate the cap counterclockwise in order to remove the cap. Important: Recover and store used coolant in a used coolant holding tank and submit the used coolant for recycling on a regular basis. Do NOT pour used coolant down the drain. Ethylene glycol antifreeze is very toxic. Disposing of ethylene glycol into the sewer system or ground water is both illegal and ecologically unsound. 4. Place a drain pan under the radiator drain cock in order to collect all of the used coolant. 5. Open the radiator drain cock. If only partial cooling system draining is required, drain enough coolant to perform the procedure 6. Open the air bleed valve on the thermostat housing 2 full turns. 7. Open the air bleed valve above coolant pump 2 full turns. 8. Place a drain pan under the engine block drains in order to collect the used coolant. Important: Allow the coolant to drain completely