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what are the symptoms of a bad vapor canister 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.

2004-2007 FORD E-150, E-250, E-250, E-350 4.6L / 5.4L ENGINE-SLOW FUEL FILL REPAIR MANUAL

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ISSUE carbon canister inlet. If there is no free flow Some 2004-2007 E-150 – E-350 vehicles equipped past the CVV, the CVV is failed or frozen with a 4.6L or 5.4L engine and mid-ship fuel tank closed. Replace the CVV. may experience a “Slow to Fill” condition. c. If you have free flow through the CVV and the vent hose, the restriction must be at the ACTION Separator Assembly (Dust Box). Check the Use the Service Procedure to check the canister Canister Separator Assembly for damage, vent tube for a spider web or other obstruction dirt, water or ice contamination and replace before replacing the fuel tank. the Separator Assembly. SERVICE PROCEDURE 2. If the fuel tank is still difficult to fill with the 1. Disconnect the evaporative emission (EVAP) carbon canister disconnected, replace the fuel lines where it connects from the fuel tank to the tank assembly. carbon canister assembly inlet. If the tank can be easily filled, the carbon canister and EVAP PART NUMBER PART NAME lines should be investigated for restriction, 5C2Z-9S327-CA Fuel Vapor Vent continue to Step 1a. If the fuel tank is still 6F1Z-9F945-AA Solenoid Canister Vent difficult to fill with the carbon canister XF2Z-9B328-AA Separator Asy Fuel 6C2Z-9002-AA Tank Asy Fuel disconnected, proceed to Step 2. (Figure 1) F75Z-9F945-CA Solenoid Canister Vent WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part. OPERATION DESCRIPTION TIME MT071501 Use SLTS Operations If Actual Available; Claim AdditionalTime Diagnosis Or Labor Figure 1 – Article 07-15-1 Performed As Actual Time DEALER CODING a. Spider webs and other debris in the vent CONDITION hose 5C2Z-9S327-CA may restrict the hose. BASIC PART NO. CODE Disconnect and blow out vent hose with 9S327 55 shop air or roll a bearing down the hose to remove the debris.

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. •

2005 Hyundai Truck Santa Fe TRANSAXLE/ ATA SOLENOID DIAGNOSTIC REPAIR MANUAL

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Subject: ATA SOLENOID DIAGNOSTIC CODES P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765, P0770 This TSB supersedes TSB # 05-40-006 to include DTC descriptions in Step 10. DESCRIPTION: Incorrect operation of the transaxle solenoids may result in the following three symptoms: REPAIR PROCEDURE: 1. Check Engine Light illuminated 2. Transaxle held in 3rd gear “Fail-safe” 3. Diagnostic Trouble Codes P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765 or P0770 set. NOTE: Do NOT replace the transaxle for solenoid codes listed as open/short. Instead, follow the repair procedure shown below. 1. Using a Hi-Scan Pro, check for DTC in both the “Engine” and “Automatic Transaxle” menus. Record the DTC and description. 2. From the Hi-Scan Pro, select: ^”Hyundai Diagnosis” menu ^”Vehicle ^”Auto Transaxle” menu ^”Actuation Test” ^Press the F1 button (STRI) and test the LR, UD, 2ND, OD, DCC and FSV solenoid (if applicable). Monitor the Hi-Scan and listen for a solenoid sound from the engine compartment. ^If Hi-Scan shows: ^”TEST FAILURE” and no solenoid sound is heard, go to Step 3. ^”COMPLETED” and solenoid sound is heard, the wiring between the PCM/TCM has no open or short circuits. Go to Step 5. 3. Visually check the wiring harness between the TCM and transaxle for a damaged wire or a short circuit to ground. Disconnect the connectors to the solenoids at the transaxle and the PCM/TCM and check for a bent pin or a pin not fully inserted into the connector. If so, repair or replace the ECM control harness, P/N 914XX-XXXXX 4. Check the harness inside the transaxle oil pan for a short circuit to ground. Replace the harness if damage is found or if three or more solenoid DTCs are found in Step 1. (Refer to TSB # 04-40-015 for instructions). Zoom Sized for Print 5. Refer to the DTC recorded in Step 1 and follow the repair procedure shown. SOLENOID REPLACEMENT: 6. Remove the battery. 7. Drain the radiator. Remove the lower radiator hose from the radiator. 8. Drain the ATF. 9. Remove the valve body cover from the transaxle

2001 Hyundai Accent 1.5L Difficulty filling the gas tank The pump keeps clicking off Repair Manual

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Tests/Procedures: 1. Disconnect the vapor line at the charcoal canister that comes from the liquid vapor separator and goes to the charcoal canister. See if the fuel tank can be easily filled then. 2. If the fuel tank can easily be filled with the vapor line removed from the charcoal canister, reconnect the vapor line and remove the other lines from the charcoal canister and see if the fuel tank can be easily filled. 3. If the fuel tank is once again difficult to fill, replace the charcoal canister. 4. If disconnecting the vapor line at the charcoal canister does NOT make the fuel tank easy to fill, then disconnect the vapor line from the liquid vapor separator at the fuel tank in case the vapor line is plugged/restricted. Potential Causes: Charcoal Canister Liquid Vapor Separator Vapor Line Tech Tips: Fuel vapors are directed to the canister from the ORVR fill vent valve in the gas tank through the liquid vapor separator and to the canister. The metal tube that loops up by the filler neck is part of the vapor line to the canister