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1984-1995 Honda Civic/ CRX Positive Crankcase Ventilation (PCV) System Repair Manual

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Filed Under (Honda Manuals) by admin on 22-04-2012

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The PCV system is designed to prevent blow-by gas from escaping to the atmosphere by drawing it directly into the intake manifold. The PCV valve contains a spring-loaded plunger which is lifted in proportion to intake manifold vacuum. Under high vacuum, blow-by is returned directly to the manifold through the breather chamber and PCV valve with fresh air. When intake manifold vacuum decreases (wide open throttle) and vacuum in the air cleaner increases, the PCV valve closes and the blow-by is returned through the cylinder head cover breather hose and into the air cleaner. The PCV valve also acts as a check valve when the engine backfires to prevent crankcase explosion. Fig. 1: PCV system components-1984-87 1.5L engines Fig. 2: PCV system components-1988-91 1.6L engines Fig. 3: PCV system components-1992-95 engines Fig. 4: PCV system components-1984-87 carbureted engines SERVICE Positive Crankcase Ventilation (PCV) Valve For PCV valve removal, refer to Routine Maintenance of this information. 1. Locate the PCV valve. With the engine running at idle, use pliers to pinch the PCV hose between the valve and the intake manifold. It should be possible to hear the spring loaded valve click shut. 2. If no click is heard, remove the valve from the engine but leave it connected to the intake manifold. A hissing sound should be heard and vacuum should be felt at the valve inlet. 3. If no vacuum is felt, remove the valve from the intake manifold hose. The engine should stall or almost stall. This will indicate a stuck valve or clogged hose. Check the breather hose for clogging or leaks and replace any defective parts. Exhaust Gas Recirculation (EGR) System FUEL INJECTED ENGINES General Information See Figure 3 The Exhaust Gas Recirculation (EGR) system is used to control emissions measured at the tailpipe. Components included are the EGR valve and controls. The EGR system uses a poppet type valve to regulate the amount of exhaust gas flowing into the intake manifold. The flow path is cast into the cylinder head and does not use any external tubing. A control solenoid valve regulates the amount of vacuum to the EGR valve. A Constant Volume Control (CVC) valve provides a constant amount of vacuum to the control solenoid valve over a wide range of engine vacuum. When servicing or repairing any part of the emissions system, it is absolutely essential to check for any obvious mechanical faults or failures. Remember, a trouble code only indicates which sensor or circuit is affected by the problem. Simple mechanical faults such as a vacuum leak or poor electrical connection can cause a fault code. The EGR valve is not simply open or closed but is modulated by controlling the amount of engine vacuum to the valve diaphragm, up to a maximum of 8 in. Hg of vacuum. The EGR valve has a sensor in the top of the valve that reports valve lift to the ECU (same as ECM, 1992-95). The ECU modulates the position of the control solenoid valve to control the EGR valve lift according to an internal program. Upstream of the control solenoid valve, the CVC provides a constant supply of vacuum so EGR control is precise under all manifold vacuum conditions

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1998-2000 HONDA Accord L4 Replace the fuel pressure regulator, and reroute the fuel pressure regulator vacuum line

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Filed Under (Honda Manuals) by admin on 16-07-2012

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1. Locate and identify the three vacuum ports on the intake manifold. 2. Disconnect and discard the vacuum hose that connects the fuel pressure regulator to vacuum port C. 3. Plug vacuum port C with the cap from the tube kit. 4. Replace the fuel pressure regulator. Refer to page 11-113 of the 1998-00 Accord Service Manual. 5. Install the new vacuum hose kit using one of the following procedures 1. Remove and discard the cap from vacuum port A. 2. Connect the short vacuum hose to vacuum port A M/T WITH CRUISE CONTROL 2. Disconnect and discard the vacuum hose that connects the fuel pressure regulator to vacuum port C. 3. Plug vacuum port C with the cap from the tube kit. 4. Replace the fuel pressure regulator. Refer to page 11-113 of the 1998-00 Accord Service Manual. 5. Install the new vacuum hose kit using one of the following procedures. Zoom Sized for Print 1. Remove and discard the cap from vacuum port A. 2. Connect the short vacuum hose to vacuum port A. Zoom Sized for Print 3. Anchor the long vacuum hose by attaching it to the rear intake air duct clip and to the cruise control hose. . Route the new vacuum hose to the fuel pressure regulator. Attach the hose to the three rear clips on the engine wire harness cover. Zoom Sized for Print 1. Remove and discard the vacuum hose from vacuum port A. This hose supplies vacuum to the rear engine mount control solenoid. 2. Connect the short vacuum hose from the top of the Y fitting to vacuum port A

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2006 Ford Five Hundred SE UPPER INTAKE MANIFOLD REMOVAL AND INSTALLATION MANUAL

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Filed Under (Ford Manuals) by admin on 30-11-2011

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Removal All vehicles 1. Drain the cooling system. For additional information, refer to DRAINING . 2. Disconnect the battery ground cable. For additional information, refer to REMOVAL AND INSTALLATION . 3. Remove the air cleaner outlet pipe. For additional information, refer to REMOVAL AND INSTALLATION . 4. Remove the 4 transaxle roll restrictor cross brace bolts 5. Remove the bolt and the transaxle roll restrictor cross brace. 6. Disconnect the evaporative emissions (EVAP) canister purge valve tube from the upper intake manifold and detach the retainer. 7. Disconnect the positive crankcase ventilation (PCV), brake booster and vacuum harness tubes from the upper intake manifold. 8. Detach the fuel tube retainer from the upper intake manifold. 9. Disconnect the exhaust gas recirculation (EGR) system module electrical connector and vacuum tube. 10. Detach the vacuum tube from the upper intake manifold vacuum tube retainer. 11. Disconnect the EGR system module tube from the EGR system module. Early build 12. Disconnect and plug the throttle body and PCV coolant hoses. Late build 13. Disconnect and plug the 2 PCV coolant hoses. All vehicles 14. Disconnect the throttle body electrical connector. 15. If equipped, remove and discard the 4 upper-to-lower intake manifold screws. 16. Remove the 8 bolts and the upper intake manifold. * Remove and discard the gaskets. Installation All vehicles Fig. 4: Identifying Tightening Sequence Of Bolts Courtesy of FORD MOTOR CO. NOTE: Clean and inspect all sealing surfaces. Install new gaskets 1. Position the upper intake manifold and install the 8 bolts. * Tighten in the sequence shown to 10 N.m (89 lb-in). 2. Connect the throttle body electrical connector. Late build 3. Connect the 2 PCV coolant hoses. Early build 4. Connect the throttle body and PCV coolant hoses. All vehicle 5. Connect the EGR system module tube to the EGR system module. * Tighten to 40 N.m (30 lb-ft). 6. Attach the vacuum tube to the upper intake manifold vacuum tube retainer. 7. Connect the EGR system module electrical connector and vacuum tube. 8. Attach the fuel tube retainer to the upper intake manifold. 9. Connect the PCV, brake booster and vacuum harness tubes to the upper intake manifold. 10. Connect the EVAP canister purge valve tube to the upper intake manifold and attach the retainer. 11. Clean the 4 transaxle roll restrictor cross brace bolts using a wire brush and apply new threadlock to the threads. 12. Position the transaxle roll restrictor cross brace and install the 4 new bolts. * Tighten to 55 N.m (41 lb-ft). 13. Clean the transaxle roll restrictor cross brace-to-roll restrictor bolt using a wire brush and apply new threadlock to the threads. 14. Install a new transaxle roll restrictor cross brace-to-roll restrictor bolt. * Tighten to 48 N.m (35 lb-ft). 15. Install the air cleaner outlet pipe. For additional information, refer to REMOVAL AND INSTALLATION . 16. Connect the battery ground cable. For additional information, refer to REMOVAL AND INSTALLATION . 17. Fill and bleed the cooling system.

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Honda Civic/ CRX Positive Crankcase Ventilation (PCV) System OPERATION MANUAL

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Filed Under (Honda Manuals) by admin on 28-01-2012

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The PCV system is designed to prevent blow-by gas from escaping to the atmosphere by drawing it directly into the intake manifold. The PCV valve contains a spring-loaded plunger which is lifted in proportion to intake manifold vacuum. Under high vacuum, blow-by is returned directly to the manifold through the breather chamber and PCV valve with fresh air. When intake manifold vacuum decreases (wide open throttle) and vacuum in the air cleaner increases, the PCV valve closes and the blow-by is returned through the cylinder head cover breather hose and into the air cleaner. The PCV valve also acts as a check valve when the engine backfires to prevent crankcase explosion. Fig. 1: PCV system components-1984-87 1.5L engines Fig. 2: PCV system components-1988-91 1.6L engines Fig. 3: PCV system components-1992-95 engines Fig. 4: PCV system components-1984-87 carbureted engines
SERVICE Positive Crankcase Ventilation (PCV) Valve For PCV valve removal, refer to Routine Maintenance of this information. 1. Locate the PCV valve. With the engine running at idle, use pliers to pinch the PCV hose between the valve and the intake manifold. It should be possible to hear the spring loaded valve click shut. 2. If no click is heard, remove the valve from the engine but leave it connected to the intake manifold. A hissing sound should be heard and vacuum should be felt at the valve inlet. 3. If no vacuum is felt, remove the valve from the intake manifold hose. The engine should stall or almost stall. This will indicate a stuck valve or clogged hose. Check the breather hose for clogging or leaks and replace any defective parts. Exhaust Gas Recirculation (EGR) System FUEL INJECTED ENGINES General Information See Figure 3 The Exhaust Gas Recirculation (EGR) system is used to control emissions measured at the tailpipe. Components included are the EGR valve and controls. The EGR system uses a poppet type valve to regulate the amount of exhaust gas flowing into the intake manifold. The flow path is cast into the cylinder head and does not use any external tubing. A control solenoid valve regulates the amount of vacuum to the EGR valve. A Constant Volume Control (CVC) valve provides a constant amount of vacuum to the control solenoid valve over a wide range of engine vacuum.

2008 Ford Explorer/ Mountaineer/ Explorer Sport Trac Headliner REMOVAL AND INSTALLATION MANUAL

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Filed Under (Ford Manuals) by admin on 04-05-2012

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Explorer and Mountaineer only 1. If equipped, remove the rear entertainment system. For additional information, refer to Section 415-00 . Explorer Sport Trac only 2. NOTE: The headliner is removed through the rear passenger door. To facilitate removal, the front passenger seat must be removed. Remove the front passenger seat. For additional information, refer to Section 501-10 . All vehicles 3. Remove the overhead console. For additional information, refer to Section 501-12 . 4. Remove the A-pillar trim panel. For additional information, refer to A-Pillar Trim Panel in this section. 5. Position the B-pillar upper trim panel aside. For additional information, refer to B-Pillar Upper Trim Panel in this section. Explorer and Mountaineer only 6. Remove the C-pillar trim panel. For additional information, refer to C-Pillar Trim Panel — Explorer, Mountaineer in this section. 7. Remove the D-pillar trim panel. For additional information, refer to D-Pillar Trim Panel in this section. Explorer Sport Trac 8. Position the C-pillar upper trim panel aside. For additional information, refer to C-Pillar Upper Trim Panel — Explorer Sport Trac in this section. All vehicles 9. Remove the gimp around the roof opening panel, if equipped. 10. Remove the 4 sun visor retainer screws. 11. Remove the sun visors. 12. Carefully lower the headliner at the corner of the sun visor location to access the electrical connector and disconnect the electrical connector. 13. Disconnect the roof opening panel, if equipped. 14. Disconnect the interior mirror electrical connector and electronic compass sensor connector, if equipped. 15. Use a thin-blade tool and carefully remove the dome lamp cover. 16. Disconnect the dome lamp electrical connectors. Explorer and Mountaineer only 17. Remove the upper air duct. * Remove the pin-type retainers. * Push down on the duct, tilt the top outward and pull upward to remove. 18. Remove the lower air duct. 19. Disconnect the electrical connector located at the C-pillar. * Release the wiring harness pin-type retainers. 20. Disconnect all the electrical connectors. All vehicles 21. Disconnect the electrical connector and the wiring pin-type retainers on the A-pillar. 22. CAUTION: To prevent bending or damaging the headliner, an assistant is required to support the headliner while carrying out the remaining steps. Open the sun visor center retainer cover and remove the screw. 23. Remove the sun visor center retainer. 24. Remove the rear pin-type retainer. 25. CAUTION: To prevent damaging the garment hanger retainer, use a 3/16-inch flat-blade screwdriver to carry out this step. NOTE: The garment hanger is shown without the roof sheet metal screw to show the metal retainer clip. The metal retainer clip will remain engaged in the sheet metal after the garment hanger is removed. Remove the garment hangers. 1. Open the access door. 2. Insert the flat-blade screwdriver fully into the garment hanger slot. 3. Rotate the screwdriver 90 degrees so that the screwdriver spreads the metal retainer clip. Remove the plastic garment hanger. 26. NOTE: The headliner is removed through the passenger rear door for Explorer Sport Trac. Remove the headliner. 27. To install, reverse the removal procedure.

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1984-1998 Jeep Wagoneer/ Commando/ Cherokee Emission Controls Crankcase Ventilation System (PCV/CCV)

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Filed Under (Jeep Manuals) by admin on 01-06-2012

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CCV Fitting See Figures 2 and 3 1. With the engine running, remove the CCV fitting. a. If the fitting is not plugged, a hissing noise will be heard as air passes through the valve. A strong vacuum should also be felt when a finger is placed over the fitting. b. Install the CCV fitting. c. Remove the fresh air hose from the air cleaner assembly and loosely hold a piece of paper over the open end of the hose. After allowing about one minute for the crankcase pressure to reduce, the paper should be sucked against the opening with a noticeable amount of force. 2. Turn the engine OFF . Remove the metered orifice fitting, and check for a plugged condition. A clicking noise should be heard to indicate that the valve mechanism is free. 3. If the crankcase ventilation system meets the tests in Steps 1 and 2 above, no further service is required. If not, the CCV fitting must be cleaned and the system checked again. 4. If Step 1c fails when the CCV fitting is cleaned, it will be necessary to replace the molded vacuum hose with a new one, and to clean the metered orifice port. 5. Clean or replace the engine air cleaner filter element with a new one-for more details, refer to the air cleaner procedure located in General Information & Maintenance. Fig. 2: CCV system diagram for 4.0L engine Fig. 3: CCV system diagram for the 2.5L engine Evaporative Emission Control System OPERATION The evaporative emission control system prevents the release of unburned hydrocarbons, from gasoline or gasoline vapor, into the atmosphere. When pressure in the fuel tank is below 3 psi (20 kPa), the pressure relief/rollover valves open allowing fuel vapors to flow to the evaporative canister where they are absorbed by a charcoal mixture. This prevents excessive pressure buildup in the fuel system. Most canisters are equipped with a calibrated orifice at the inlet to the canister.

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2006 Ford F-SUPER DUTY Class A Motorhome Chassis INCOMPLETE VEHICLE MANUAL

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Filed Under (Ford Manuals) by admin on 26-05-2012

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Certain exhaust system components, including exhaust heat shielding systems, have been installed on some vehicles in our assembly plants in an effort to provide protection against engine compartment and exhaust system temperatures. Subsequent aftermarket installers/manufacturers are responsible for providing thermal protection (e.g. underbody heat shields) for any structure and/or equipment added to the vehicle and should not remove any components or exhaust heat shielding installed on the vehicle by Ford Motor Company. All exposed interior sheet metal of closed structures (e.g. fl oor pan of cab and/or secondary structure, tool boxes, etc.) should be covered with an insulating material capable of protecting vehicle occupants and contents from temperatures potentially up to 700°F. OZONE DEPLETING SUBSTANCE (ODS) OZONE DEPLETING SUBSTANCE (ODS) The Clean Air Act of 1990, Section 611 requires any product (i.e., completed vehicle) containing or manufactured with any Class I Ozone Depleting Substance on, or after May 15,1993 must be identifi ed with a “clearly and conspicuously attached label.” Ford Motor Company has eliminated Class I ODS from its manufacturing processes. All 2006 Ford Truck incomplete vehicles will not have Class I ODS content. Manufacturers, including subsequent stage manufacturers, are required to label their products if the product, including any component (whether manufactured by that manufacturer or not), contains a Class I ODS or if the manufacturer used a Class I ODS in the manufacturing of the product. In the case where Ford Motor Company provides a label saying the incomplete vehicle contains a Class I ODS that information must be placed on the product warning label. (See EPA regulation on wording, placement, size, and combining labels.) In Canada consult the appropriate Provincial or Territorial Ministry of Environment. EMISSION CONTROL INFORMATION LABEL To meet United States Environmental Protection Agency regulations, the Important Vehicle Information (tune-up and fuel tank capacity) labels must be affi xed in a location that is readily visible after installation and in such a manner that it cannot be removed without destroying or defacing the label. The label shall not be affi xed to any equipment that is easily detached from the vehicle. When emission control labels are supplied but not attached to the vehicle (i.e., tune-up label or fuel tank label), they must be permanently mounted in a readily visible location to meet the preceding requirements. In addition, whether the label is already affi xed or to be affi xed, no components shall be installed which visibly obscure the label in any way that fails to satisfy the visibility requirements described in the California Emission Control Label Specifications. For Canadian requirements consult Section 1100 8 (1) (d) (i), (ii), & (iii). CALIFORNIA FUEL VAPOR RECOVERY California regulations require that the vehicle fuel systems be designed to accommodate a vapor recovery fueling nozzle including unobstructed access to the fi ll pipe. Fuel fi ller pipes installed per the Figure B on page 15 will comply with the “Specifi cations For Fill Pipes and Openings of Motor Vehicle Fuel Tanks” referenced in Title 13 California Administrative Code provided no part of the aftermarket body, as installed, intrudes within a 254mm [10 in] radius cylinder which has its axis parallel to the ground at point “Z” and extends outward from the Ford Motor Company supplied fuel pipe housing component. The fuel pipe housing component is shown on the referenced fi gures and is attached to the aftermarket body via 4.76 mm [.188 in.] diameter rivets. Fuel fi ller pipes installed using the alternative bracket shown in Figure B, will comply with the above California vapor recovery regulations provided the aftermarket body does not interfere with the access zone as defi ned by the California Air Resources Board, and the areas adjacent to this opening cannot foreseeably damage the nozzle bellows or face plate of nozzles during insertion, latching, disposing or removal

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2001 Ford F-150 Draining-Coalescer/ Pressure Relief-Natural Gas Bi-Fuel System Repair Manual

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Filed Under (Ford Manuals) by admin on 28-05-2012

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1. Relieve the Bi-fuel system fuel pressure. For additional information, refer to Pressure Relief—Natural Gas Bi-Fuel System. 2. Raise the vehicle on the hoist. For additional information, refer to Section 100-02. 3. NOTE: There is an O-ring attached to the drain plug. The O-ring must be replaced each time the drain plug is removed. Remove the drain plug. 4. Install the drain plug. 5. Lower the vehicle. 6. Pressurize the fuel system. WARNING: It is important that your bi-fuel vehicle be correctly maintained by Ford bi-fuel trained personnel. If a concern occurs, it is important that correctly trained personnel diagnose the cause. If a concern relates to the fuel system, correct part replacement is imperative to keep your vehicle operating at normal performance. Bi-fuel components and gasoline specific components are not interchangeable. If your vehicle is not serviced in accordance with bi-fuel service procedures, damage can occur and your warranty may be invalidated. WARNING: Fuel supply lines are always pressurized. When servicing fuel related components, do not smoke or carry lighted tobacco or an open flame of any type. Flammable mixtures may be present and can ignite, resulting in personal injury. WARNING: The natural gas fuel system is always pressurized to 655 kPa (95 psi) downstream of the fuel pressure regulator and up to 24821 kPa (3,600 psi) upstream of the fuel pressure regulator. Use care when servicing the fuel system or personal injury can occur. WARNING: The natural gas fuel supply manifold is pressurized to 655 kPa (95 psi). Fuel pressure must be relieved prior to any fuel system service. WARNING: The fuel system pressure must be relieved before any component can be removed. The fuel tanks must be evacuated prior to tank removal. Removal of components without pressure relief or tank evacuation can cause natural gas to escape into the air and cause injury or death.

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1984-1995 Honda Accord/Prelude In­Tank Fuel Pumps TEST/REPAIR MANUAL

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Filed Under (Honda Manuals) by admin on 03-07-2012

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Carbureted Fuel System GENERAL INFORMATION On these vehicles, the engine management system is considered part of the emission control system. The major components include the carburetor(s), feedback control system, the air injection system, a throttle control system and the EGR system. The system consists of sensors and switches that feed information to the Electronic Control Unit (ECU), which will then operate several solenoid valves to maintain the ideal air/fuel ratio under all conditions. As useful as the tests found in this section are, the first step in repair or service to engine management systems is still to gain as much information as possible about the problem; when and under what conditions it occurs. At highway speed? At idle only? Only under heavy load or hard acceleration? Wet weather? Defining the problem will eliminate many systems from consideration and possibly point to the affected system. Before diving into an extended electrical diagnosis, take the time to review the basics. Check every vacuum line for cracks or leaks. Check every electrical connector for corrosion or loose pins. Quite often, simply unplugging and reconnecting a connector will break up corrosion on the pins and restore the circuit. Watch out for poor grounds, particularly if the car has experienced major bodywork. COMPONENT TESTING Air Injection System The purpose of this system is to supply oxygen to the exhaust stream at a point in the exhaust manifold that is hot enough to burn off some of the hydrocarbon emissions. The main component is an air suction valve. The valve is spring loaded to stay closed, with engine vacuum supplied to a diaphragm that reduces the spring pressure and allows the reeds to open. The ECU regulates the engine vacuum to the diaphragm by operating a solenoid valve. 1. With the engine at normal operating temperature and at idle, remove the air cleaner and listen for a bubbling sound at the air suction port. There should be no sound at idle, meaning the air suction valve is closed. 2. If the noise is heard at the air suction port, disconnect the vacuum hose at the air suction valve and connect a vacuum gauge to the hose. There should be no vacuum. If there is vacuum and the noise stops, the problem is in the control system. If there is no vacuum and the bubbling sound is still there, the air suction valve is defective and must be replaced. 3. To test the valve, draw a vacuum at the air suction valve diaphragm and listen for a bubbling sound at the air suction port. If no sound is heard, the air suction valve or diaphragm is faulty. Throttle Control System

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2000 Ford Ranger Cooling System Draining Filling and Bleeding Repair Manual

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Filed Under (Ford Manuals) by admin on 10-07-2012

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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.

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