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cleaning 2008 sierra vent solenoid

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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.

DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit)

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Tighten Tighten the bracket mounting bolt to 12 N?m (106 lb in). Connect the vent valve pipe to the EVAP canister. • Install the two vent valve pipe clips into the existing underbody holes. • Connect the EVAP canister vent valve electrical connector, if equipped. • Attach bulk 5/8″ heater hose to the vent valve port and secure using a clamp. Run a length as needed along the frame rail routing to the area above the transmission. • Cut the hose to determined length and install the supplied filter box. Secure using a clamp. • Remove the transmission support and lower the transmission assembly as necessary to allow for access to the new filter box location using a tie strap. DO NOT pinch or restrict the transmission vent hose. The filter box opening should be pointing downward. • Raise the transmission and reinstall the transmission support. • Tie strap the hose as needed along the frame rail in order to keep the hose away from pinch*points and heat sources. • Lower the vehicle. • 2004-2007 Model Year (Use Service Kit P/N 19152349) Raise the vehicle. Suitably support the vehicle. • Disconnect the EVAP canister vent valve electrical connector. • Disconnect the canister pipe from the vent valve. • Push in the retainer and remove the existing canister vent valve from the fuel tank clip or mounting bracket. Discard the old valve. • Cut back the existing canister pipe approximately 51 mm (2 in) to remove the quick connect end. Crew Cab Short Box Shown Below, Other Configurations Similar Extended Cab Short Box Shown Below, Other Configurations Similar Install the new canister vent valve to the fuel tank clip or mounting bracket. • Cut bulk 5/8″ heater hose to a length of approximately 76 mm (3 in). Install the hose between the vent valve and the canister pipe and secure using clamps. • Attach bulk 5/8″ heater hose to the vent valve port and secure using a clamp. Run a length as needed along the frame rail routing to the area above the transmission. • Cut the hose to determined length and install the supplied filter box. Secure using a clamp. •

2007-2008 Toyota Tundra Crew Cab Installation Manual

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1. Cover the front seats, floorboards, dash and steering wheel with a clean drop cloth or disposable plastic covers. Note: Always wear eye and hand protection when working with glass. Make sure that you have the right glass and the urethane systems are current. Windshield part numbers are FW02724, FW02723, FW02722 or FW02721. 2. Remove the rearview mirror by loosening the Tork screw using a T-20 Tork screwdriver. Slide the wire-harness trim cover off the headliner. Slide the mirror off the mirror bracket in an upward motion. 3. Disconnect the wire harness from the underside of the hardware with a small flat-tip screwdriver or your fingernails. 4. Remove the windshield-wiper nuts using a wrench or socket. If the nuts are tight, loosen them with a 14-millimeter wrench and then come back with your socket. Move the wiper arm in an up-and-down motion to break it loose from the post, or use a wiper puller. Caution: Wipers can sometimes be hard to remove. To avoid stressing the post, use a wiper puller. The wipers are marked; take note to ensure proper re-installation. 5. Using a No. 2 Phillips-tip screwdriver, remove the two plastic screw inserts on the fasteners located on the outer edge of the cowling corners. There is one on the passenger’s side and one on the driver’s side. A5a A5b 2007-08 Toyota Tundra Crew Cab By Gilbert R. Gutierrez Vehicle type: Four-door, crew-cab pickup truck NAGS numbers*: Windshield part numbers are FW02724, FW02723, FW02722 or FW02721; front door glass FD23323- 24 R-L; rear door glass FD23325-26 R-L; and back glass FY95054, FY95053, FB23336, FB23335 and FB23334. Helpful tools or supplies: Retention tape or a rubber hose to protect the fenders and hood; a PryBaby for molding and panel removal. Watch for: Be careful not to pull too hard on the rearview mirror harness during removal to avoid ripping the headliner. When removing or re-installing the A-pillar trim panels, take care to avoid disturbing the curtain air-bag harness. *With permission from National Auto Glass Specifications. Call NAGS at 800/551-4012 or visit www.nags.com. Vehicle information A1 A2 A3a A3b A4a A4b 35 6. Remove the rubber corner pieces from the corners of the cowling at the base of the windshield. Using an outward motion, pull out the rubber piece, and then gently pull the rubber insert from the cowling. 7. With the hood open, push in and pop loose the six plastic tab fasteners using a No. 1 PryBaby tool from the underside. There are three on the passenger’s side and three on the driver’s side, with a guide pin at the center. 8. Remove the two-part cowl by sliding it in an upward-outward motion toward the engine compartment, disengaging the eight underside tabs on the front part of the cowling from the base of the windshield. Tape the hood and fender with molding-retention tape to avoid gnarling or scratching the cowling. Note: When re-installing the cowling, use a No. 1 PryBaby tool to assist in the installation of the cowling onto the bottom of the windshield. 9. If using a cold knife or power tool to cut out the glass, remove the A-pillar trim panels, as the windshield fits close to the pinchweld. 10. Remove the door weatherstrip. 11. Remove the screw covers using a No. 2 PryBaby. 12. Remove the two 10-millimeter bolts hidden beneath the covers using a 10-millimeter socket-wrench driver. Pull the handle loose. 13. Remove the A-pillar trim panels using a door-panel remover or No. 2 PryBaby tool. Caution: Be careful not to dis- A6a A6b A6c A7a A11a A11b A12a A12b A7b A7c A8 A10 A13a A13b 36 AutoGlass™ •March/April 2008 Installation ? F or T echnicians Only turb the curtain air-bag harness when removing or re-installing the A-pillar trim panels. Note: Before beginning windshield removal, verify the new windshield is the correct one and the urethanes and primers are current. Never use outdated products as this could jeopardize the structural integrity of the vehicle and the safety of its passengers. Removal 14. Make sure cutting blades are sufficiently sharp. 15. Before cutting out the windshield, remove contaminants from the glass and pinchweld to prevent contact with the urethane. 16. If using a cold knife, use a 3? 4 -inch blade. Cut three sides; then use a long knife or power tool to cut the bottom of the windshield. Note: There are no gravity stops on this windshield. 17. If trying to save the windshield, use an Equalizer with an 8-inch blade. Note: When using any power tool, lubricate the cutting area with water. Spray the top and sides; then make your cuts. 18. After cutting the sides and top, cut out the bottom portion of the glass using an Equalizer Express. Spray the bottom of the windshield with water at least 4-to-5 inches above the urethane on the glass, so the water flows down into the urethane while you make your final cut across the bottom of the windshield. Caution: Never use your head to push, as this could result in back and neck injuries. 19. Take the windshield out of the opening using a set of vacuum cups. Lift the glass and place it on a windshield stand or suitable workstation. Installation 20. After cutting the windshield out, remove contaminants such as dirt, moisture and other debris from the pinchweld. Clean the dashboard. 21. Dry fit the new glass to the opening. Mark your glass using a grease pencil or molding-retention tape. 22. Place your vacuum cups on the windshield in the appropriate location for a one-person set. 23. For driver-side setting of the windshield using a Glass Handler Kit, place the kit’s elbow-setting pad on the driver’s side of the hood area; then lift the windshield from the stand using the vacuum cups. 24. Reach over, place your elbow on the setting pad and set the windshield onto the old urethane. 25. With the windshield resting in the opening, make sure it is in the right spot. 26. Adjust both sides to the correct setting, marking the passenger’s side, then the driver’s side. Lift the glass and place it on a windshield stand or suitable workstation. 27. Follow the urethane manufacturer’s recommendations for installation. 28. Clean the inside of the windshield using a urethane manufacturer-recommended product; follow recommended steps. Note: Do not touch the bonding area of the windshield after cleaning, prepping or priming it. 29. Wear powder-free Nitrile gloves to keep off chemicals. 30. Apply the glass prep and primer, following the urethane manufacturer’s recommendations.

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

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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

2008 Ford Focus A/T Main Control Valve Body Removal And Installation

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Disassembly 12 7Z490 Separator plate and gasket assembly 1. Remove the solenoid body bolts and the 13 7A101 Body — control valve lower solenoid body. 14 7R294 Stop — main regulator valve 15 7F445 Retainer plate — main regulator valve 16 7A270 Spring — main fluid pressure regulator valve 17 7C338 Valve — main fluid pressure regulator 18 7G411 Spring — solenoid regulator valve 19 7H392 Valve — solenoid regulator valve 20 7D400 Spring — intermediate servo accumulator 21 7D398 Piston — intermediate servo 2. Remove and discard the solenoid body gaskets. accumulator 22 7G408 Valve — converter pressure relief 23 7G316 Spring — converter regulator valve 24 7M040 Valve — lock up control 25 7Z490 Gasket — solenoid body 26 7G179 Valve — low reverse shift 27 7M040 Valve — 3-4 shift 28 7H148 Shift Solenoid B (SSB) (on/off) valve 29 7H148 Shift Solenoid A (SSA) (on/off) valve ISASSEMBLY AND ASSEMBLY (Continued) 3. Remove and discard the seals. 3. Install the seals. 4. Disassemble the main control valve body. 4. Install a new solenoid body gasket. Assembly 1. Install a new separator plate and gasket assembly. 2. NOTE: Do not fully tighten the bolts at this stage. Assemble the main control valve body and loosely install the bolts. DISASSEMBLY AND ASSEMBLY (Continued) 5. Install the solenoid body and loosely install the 6. Tighten the solenoid body bolts in the sequence bolts. shown. •Tighten to 9 Nm (80 lb-in)