ford power steering pump pressure specs

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1995-1999 Buick Riviera Steering Vibration/Shudder/Moan During Parking Maneuvers on Dry Pavement (Install Power Steering Pressure (Inlet) and/or Return (Outlet) Hose Assembly)

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Filed Under (Buick Manuals) by admin on 11-02-2012

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1. Verify that the power steering pump reservoir is full. 2. Verify that the accessory drive belt is in good condition and that the pulleys are not bent or damaged. 3. Verify proper belt tension and operation of the belt tensioner. 4. Check for power steering hose ground out conditions. 5. Check for good engine idle and correct engine RPM. 6. Check to see that the rear transaxle mount does not have a plastic assembly aid installed which is used Subject: Steering Vibration/Shudder/Moan During Parking Maneuvers on Dry Pavement (Install Power Steering Pressure (Inlet) and/or Return (Outlet) Hose Assembly) Models: 1995-99 Buick Riviera 1997-2001 Buick Park Avenue, Ultra 2000-2001 Buick LeSabre 2000-2001 Pontiac Bonneville • 1995-98 Buick Riviera • 1997-98 Buick Park Avenue and Ultra • 1999 Buick Riviera • 1999-2001 Buick Park Avenue and Ultra • 2000-2001 Buick LeSabre • 2000-2001 Pontiac Bonneville • If fluid level is low, fill and check for leaks. • If power steering system has air in the system, perform the “Bleeding Air from Power Steering System” procedure as described in the Power Steering System sub-section of the Service Manual. Important: When performing the “Bleeding Air from Power Steering System” procedure, it is important that the front of the vehicle is supported by the lower control arms. If the vehicle is not supported by the lower control arms, the procedure may cause the strut bushing to dislocate and cause new concern. for assembly purposes. If the assembly aid is installed, remove the assembly aid and install the rear transaxle mount. 7. With the vehicle on dry pavement, maneuver the vehicle in parking positions. If the steering vibrates/shudders or moans in this test, replace the power steering pressure hose and/or the harmonic balancer. Important: A defective harmonic balancer on the 1995 Buick Riviera can influence steering vibrations after power steering hose installation. Important: When installing the pressure hose on the 1995 Buick Riviera, pull down on the pressure hose at the rear of the engine or bend the hose to allow clearance between the hose and the front of the dash. Power Steering Pressure (Inlet) Hose Replacement Procedure For 1995-1998 Vehicles: 1. Raise and suitably support the vehicle. Refer to Vehicle Lifting and Jacking in the General Information section of the Service Manual. 2. Drain the power steering fluid. Refer to Draining the Power Steering System in the Power Steering section of the Service Manual. 3. Remove the power steering gear assembly heat shield (1). 4. Disconnect the power steering pressure hose from the power steering pump assembly (4). 5. Remove the bolt/screws from the retaining clips (3). 6. Disconnect the power steering pressure hose from the power steering gear assembly (2). 7. Remove the power steering pressure hose assembly from the vehicle. 8. Install the power steering pressure hose assembly to the vehicle. 9. Connect the power steering pressure hose to the power steering pump assembly (4). 10. Connect the power steering pressure hose to the power steering gear assembly (2). Tighten Tighten the power steering pressure hose to the steering gear to 27 N·m (20 lb ft). 11. Install the bolt/screws to the retaining clips (3). Tighten Tighten the retaining clip bolt/screws to 6 N·m (53 lb in). 12. Install the power steering gear assembly heat shield (1). 13. Lower the vehicle. 14. Fill and bleed the power steering system using, J 43485. Refer to Corporate Bulletin Number 83-32-09, dated November, 1998. Power Steering Pressure (Inlet) and Return (Outlet) Hose Replacement Procedure For 1999-2001 Vehicles: 1. Raise and suitably support the vehicle. Refer to Vehicle Lifting and Jacking in the General Information section of the Service Manual. 2. Drain the power steering fluid. Refer to Draining the Power Steering System in the Power Steering section of the Service Manual. 3. Remove the LH front wheel/tire assembly. 4. Remove the LH lower splash shield. 5. Remove the lower radiator air deflector (engine splash shield, if installed.

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1993 Ford Escort CIRCUIT TEST J – FUEL PUMP CIRCUIT (RELAY AND INERTIA SWITCH)

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Filed Under (Ford Manuals) by admin on 19-01-2012

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resistance between test pin No. 22 and test pins No. 40 and 60. If resistance is less than 10,000 ohms, repair short circuit and repeat QUICK TEST. If resistance is 10,000 ohms or more, go to step 5). 5)Check Fuel Pump Circuit Continuity Turn ignition off. Leave fuel pump relay and PCM disconnected. Measure resistance between FUEL PUMP circuit at fuel pump relay wiring harness connector and test pin No. 22 at breakout box. If resistance is less than 5 ohms, replace PCM and repeat QUICK TEST. If resistance is 5 ohms or more, repair open circuit and repeat QUICK TEST. 10)Code 95/542 A KOEO Code 95/542 indicates one of the following conditions: Engine Starts: * Fuel pump secondary circuit shorted to power. * Fuel pump relay contacts always closed. * Open FPM circuit between PCM and junction to POWER-TO-PUMP circuit. * Left/front HO2S short to power (dual HO2S applications). * Faulty PCM. No Start: * IFS switch circuit open or not reset. * Open circuit in or between PCM and fuel pump. * Faulty ground connection at fuel pump. * Faulty fuel pump. If engine starts, go to step 11). If engine does not start, go to step 15). 11)Check Fuel Pump Operation Turn ignition on. Wait 5 seconds. Listen for fuel pump operation. If fuel pump is off, go to step 13). If fuel pump is on, go to step 12). 12)Check For Fuel Pump Relay Always Closed Turn ignition off. Disconnect fuel pump relay. Turn ignition on. If fuel pump is off with relay disconnected, replace fuel pump relay and repeat QUICK TEST. If fuel pump is on with relay disconnected, repair short to power in POWER-TO-PUMP or FPM circuit. (For models with relay block, also check fuel pump prime plug circuit). Repeat QUICK TEST. 13)Check Continuity Of Fuel Pump Monitor (FPM) Circuit Turn ignition off. Disconnect PCM 60-pin connector. Inspect and repair any damaged terminals. Install EEC-IV Breakout Box (T83L-50-EEC-IV) , leaving PCM disconnected. Disconnect fuel pump relay. Measure resistance between test pin No. 8 (No. 19 on Escort, and Tracer) at breakout box and POWER-TO-PUMP circuit at fuel pump relay wiring harness connector. If resistance is less than 5 ohms, go to step 25) (dual HO2S) or replace PCM and repeat QUICK TEST (single HO2S). If resistance is 5 ohms or more, repair open circuit and repeat QUICK TEST

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1997 Jeep Cherokee 2WD Serpentine Belt INSPECTION ADJUSTMENT REMOVAL And INSTALLATION

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Filed Under (Jeep Manuals) by admin on 05-01-2012

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INSPECTION When inspecting serpentine drive belts, small cracks that run across the ribbed surface of the belt from rib to rib are considered normal. If the the cracks are running along the rib (rather across), this is not normal and the belt(s) must be replaced. ADJUSTMENT It is not necessary to adjust belt tension on the 5.2L or 5.9L engines and on the 2.5L and 4.0L engines (without power steering). These engines are equipped with an automatic tensioner. The tensioner maintains correct tension at all times. 2.5L and 4.0L Engines With Power Steering See Figures 1, 2, 3 and 4 If the vehicle is not equipped with power steering, it will be equipped with an idler pulley. If equipped with an idler pulley, refer to and follow the 5.2L/5.9L belt removal and installation procedure. Loosen the pump upper pivot bolt, lower locknut and pump adjusting bolt using a ratchet and 13mm socket or a 13mm box wrench. 1. Use a belt tension gauge placed in the middle of the belt being tested. Proper tension for a new belt is 180-200 lbs. (800-900 N) and 140-160 lbs. (623-712 N) for a used belt. 2. Tighten the pump adjusting bolt to achieve proper tension and recheck the belt tension. 3. Fig. Fig. 1: Loosen the pivot bolt (1), then the locking bolt (2) to loosen the power steering pump from behind Fig. Fig. 2: Use a ratchet and 13mm size socket to rotate the power steering pump Fig. Fig. 3: Adjustment points on the 2.5L engines without power steering (rear view) Fig. Fig. 4: Adjustment points on the 2.5L engine (front view) Removal & Installation 2.5L and 4.0L Engines With Power Steering See Figures 5, 6 and 7 Fig. Fig. 5: Proper belt routing diagram can usually be found on a sticker located in the engine compartment Fig. Fig. 6: Common 4.0L engine serpentine belt routing Fig. Fig. 7: Common 2.5L engine serpentine belt routing Loosen the rear power steering pump mounting bolts using a ratchet and 13mm socket or a 13mm box wrench. 1. Loosen the pump upper pivot bolt, lower locknut and the pump adjusting bolt using a ratchet and 13mm socket or a 13mm box wrench. 2. Remove the belt. 3. To install: Install the belt. 4. Tighten the pump adjusting bolt to achieve proper tension. 5. Install the pump rear mounting bolts, pivot bolt and locknut. Tighten the bolts to 20. ft. lbs. (27 Nm). 6. Check the belt for proper tension. If tension is incorrect, refer to the adjustment procedure in this section. 7. 5.2L and 5.9L Engines See Figures 8, 9 and 10

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TOYOTA RAV4 STEERING INTERMEDIATE SHAFT NOISE SERVICE MANUAL

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Filed Under (Toyota Manuals) by admin on 25-01-2012

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Repair Procedure 1. Install a steering wheel holder. NOTE: Ensure the wheels are straight and the steering wheel is centered before removing the steering intermediate shaft by installing a steering wheel holder. 2. Remove the column hole cover silencer sheet. Turn back the floor carpet, remove the 2 clips, and remove the column hole cover silencer sheet. Production Change Information Parts Information Repair Procedure STEERING INTERMEDIATE SHAFT NOISE – ST001-08 February 8, 2008 Page 3 of 4 3. Remove the No. 2 steering intermediate shaft assembly. A. Place matchmarks (“a”) on the No. 2 steering intermediate shaft and steering column. B. Remove bolt A and detach the No. 2 steering assembly from the steering gear. C. Remove bolt B and detach the No. 2 steering intermediate shaft from the steering column. 4. Remove the No. 1 steering column hole cover sub-assembly by removing the clamp and disconnecting the column hole cover from the steering gear. 5. Remove the intermediate shaft. Remove the bolt and disconnect the steering intermediate shaft from the steering gear. 6. Install the NEW intermediate shaft onto the steering gear. Torque: 35 Nm (360 kgfcm, 26 ftlbf) 7. Install the No. 1 steering column hole cover sub-assembly onto the steering gear with a NEW clamp. Repair Procedure (Continued) B A a No. 2 Steering Intermediate Shaft Intermediate Shaft STEERING INTERMEDIATE SHAFT NOISE – ST001-08 February 8, 2008 Page 4 of 4 8. Install the No. 1 steering column hole cover sub-assembly by attaching clip B onto the body and installing the No. 1 hole cover onto the body with clip A. NOTE: Make sure that the lip of the No. 1 hole cover is NOT damaged. 9. Install the No. 2 steering intermediate shaft assembly. A. Align the matchmarks (“a”) on steering intermediate shaft and the steering sliding yoke and temporarily install them with bolt B. Torque: 35 Nm (360 kgfcm, 26 ftlbf) B. Ensure the wheels are straight. C. Install the No. 2 intermediate shaft and the intermediate shaft with bolt A. Torque: 35 Nm (360 kgfcm, 26 ftlbf) 10. Install the column hole cover silencer sheet. A. Install the column hole cover plate with the 2 clips. B. Install the floor carpet. 11. Remove the steering wheel holder from the vehicle. 12. Road test the vehicle to verify the repair and confirm that the steering wheel is centered.

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1997 Ford Thunderbird/ Cougar Steering Column Removal And Installation Manual

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Filed Under (Acura Manuals) by admin on 12-04-2012

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Steering Column Disassembly CAUTION: Do not remove the steering column, steering wheel and air bag module as an assembly from the vehicle unless the column is locked to prevent rotation, or lower end of steering shaft is wired in such a way to prevent the steering wheel from being rotated, as this will damage the air bag sliding contact. 1. Disconnect battery ground cable (14301). Refer to Section 14-01 . 2. Remove steering wheel (3600) as described. 3. Remove steering column from vehicle as described. 4. Remove steering column lower yoke (3N725), steering column upper bearing spring (3520), suspension height sensor control ring (3C131) and steering column bearing tolerance ring (3L539). Lower Steering Column Assembly 5. Remove turn indicator cancel cam (13318) by pushing up with flat-bladed screwdriver. Note direction of flush surface. 6. Remove ignition switch (11572) assembly. 7. Remove bearing retainer (3C610) and steering column upper bearing spring. . Remove steel steering column bearing tolerance ring and steering column bearing sleeve (3518). 9. Remove plastic bearing retainer from ignition switch lock cylinder bore. 10. Remove metal steering column lock housing bearing (3E700) from ignition switch lock cylinder bore. 11. Note position of steering column lock gear (3E717) to actuator lock. Remove steering column lock gear. 12. Remove two pivot bolts. Use caution becausesteering column position spring (3D655) will release when bolts are removed. Remove steering column lock cylinder housing (3511). 13. Remove steering column shaft assembly from steering column. 14. Remove steering column lock lever actuator (3E715) and steering actuator housing (3F723). 15. Remove lower steering column bearing (3517) and steering column lower bearing retainer (3D681).

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2000 Dodge Dakota & Durango Power Windows ADJUSTMENTS

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Filed Under (Dodge Manuals) by admin on 18-06-2012

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ADJUSTMENTS WINDOWS Remove door trim panel. See DOOR TRIM PANEL under REMOVAL & INSTALLATION. Loosen bolts holding window to regulator. Raise window fully, seating window in frame. Tighten bolts. Install door trim panel. TROUBLE SHOOTING POWER WINDOWS On Dakota, inspect circuit breaker No. 20 (20-amp) in junction block. On Durango inspect circuit breaker No. 21 (25-amp) in junction block. On all models, junction block is located on left end of instrument panel. Inspect fuse No. 9 (40-amp on Dakota, 50-amp on Durango) in Power Distribution Center (PDC). PDC is located in left front corner of engine compartment. Inspect power window system ground circuit. See WIRING DIAGRAMS . SYSTEM TESTS ALL WINDOWS INOPERATIVE Dakota 1. Check circuit breaker for power window system. See TROUBLE SHOOTING . Replace circuit breaker as necessary. If circuit breaker is okay, go to next step. 2. Disconnect negative battery cable. Remove driver’s front power window switch. See POWER WINDOW SWITCH under REMOVAL & INSTALLATION. Check for continuity between ground and terminal No. 3 (Black wire) at driver power window switch wiring harness connector. If continuity exists, go to next step. If continuity does not exist, repair open in Black wire between driver power window 2000 Dodge Durango 2000 ACCESSORIES & EQUIPMENT’ ‘Power Windows – Dakota & Durango 2000 Dodge Durango 2000 ACCESSORIES & EQUIPMENT’ ‘Power Windows – Dakota & Durango switch connector and ground. See WIRING DIAGRAMS . 3. Connect negative battery cable. Turn ignition on. Measure voltage between ground and terminal No. 5 (Tan wire) at driver’s power window switch wiring harness connector. If battery voltage is present, check driver power window switch. See POWER WINDOW SWITCH under COMPONENT TESTS. If battery voltage is not present, repair open Tan wire between driver power window switch connector and ignition switch. See WIRING DIAGRAMS . See POWER DISTRIBUTION article in WIRING DIAGRAMS. Durango 1. Check circuit breaker for power window system. See TROUBLE SHOOTING . Replace circuit breaker as necessary. If circuit breaker is okay, go to next step. 2. Disconnect negative battery cable. Remove driver’s front power window switch. See POWER WINDOW SWITCH under REMOVAL & INSTALLATION. 3. Check for continuity between ground and terminal No. 5 (Black wire) at driver’s power window switch wiring harness connector. If continuity exists, go to next step. If continuity does not exist, repair open in Black wire between driver’s power window switch connector and ground. See WIRING DIAGRAMS . 4. Reconnect negative battery cable. Turn ignition on. Measure voltage between ground and terminal No. 4 (Tan wire) at driver’s power window switch wiring harness connector. If battery voltage is present, check driver’s power window switch. See POWER WINDOW SWITCH under COMPONENT TESTS. If battery voltage is not present, repair open Tan wire between driver power window switch connector and ignition switch. See WIRING DIAGRAMS . See POWER DISTRIBUTION article in WIRING DIAGRAMS. ONE WINDOW INOPERATIVE

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2004 Honda Element EX ROCKER ARM OIL PRESSURE SWITCH (VTEC OIL PRESSURE SWITCH) CIRCUIT HIGH VOLTAGE MANUAL

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Filed Under (Honda Manuals) by admin on 20-06-2012

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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 Fig. 16: Checking Continuity Between Rocker Arm Oil Pressure Switch 2P Connector Terminals Courtesy of AMERICAN HONDA MOTOR CO., INC. Is there continuity? YES- Go to step 9 . NO- Replace the rocker arm oil pressure switch (VTEC oil pressure switch) (see ROCKER ARM OIL PRESSURE SWITCH (VTEC OIL PRESSURE SWITCH) REMOVAL/INSTALLATION ), then go to step 13 . 9. Turn the ignition switch ON (II). 10. Measure voltage between rocker arm oil pressure switch (VTEC oil pressure switch) 2P connector terminal No. 1 and body ground

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2005-2008 Honda Odyssey Power Steering Pump Whines , Buzzes, or Hums Repair Manual

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Filed Under (Honda Manuals) by admin on 16-05-2012

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Inspect the power steering reservoir. Does one of the 3 ribs on the reservoir cover point toward the reservoir holder? Yes – This vehicle already has the revised power steering reservoir. Continue with normal troubleshooting procedures. No – Go to REPAIR PROCEDURE. REPAIR PROCEDURE 1. Drain the power steering reservoir: •Remove the reservoir from its holder. •Raise the reservoir, and disconnect its return hose. •Drain the reservoir fluid into a suitable container. Take care not to spill any fluid on the body or other parts. Wipe off any spilled fluid immediately. 2. Drain the fluid from the power steering system: •Connect a suitable diameter drain hose to the disconnected return hose. •Hold the end of the drain hose in a suitable container. •Start the engine, and run it at idle while you turn the steering wheel lock-to-lock several times. •When the fluid stops running out of the hose, shut off the engine. •Discard the used fluid. 3. Reinstall the return hose to the reservoir, then reattach the reservoir to its holder. Fill the reservoir to its upper level line with new power steering fluid. 4. Bleed the air from the power steering system: •Start the engine. •With the engine at a fast idle, turn the steering wheel lock-to-lock several times. 5. Check the condition of the fluid in the reservoir: •If the fluid looks contaminated, dark, or discolored, repeat steps 1 thru 5. •If the fluid is clear, go to step 6. 6. Place a suitable container under the vehicle to catch any fluid 7. Replace the power steering fluid reservoir: •Remove the reservoir from its holder. •Disconnect the return hose from the reservoir, and pour the fluid from the reservoir into a container. •Disconnect the outlet hose from the reservoir, and remove the reservoir. •Install a new reservoir in the reverse order of removal. •Fill the reservoir to its upper level line with new power steering fluid. 8. Start the engine, and run it at a fast idle. Turn the steering from lock-to-lock several times to bleed any air from the system. 9. Recheck the fluid level in the reservoir, and add more if needed. Do not fill the reservoir beyond its upper level line.

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1998 Acura 3.5RL FUEL PUMP RELAY (3.5RL) INSTALLATION MANUAL

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Filed Under (Acura Manuals) by admin on 13-06-2011

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Fuel pump relay is located in the front of the trunk. Turn ignition switch to START position. If engine starts, go to next step. If engine does not start, go to FUEL PUMP RESISTOR (3.5RL) . 2. Turn engine off and ignition on. Measure voltage between ground and PCM 12-pin connector terminal No. 4 (Green wire). If battery voltage is present, go to next step. If battery voltage is not present, go to step 4). 3. Start engine and run at 3000 RPM with no loads and transmission in Park or Neutral, until radiator fan comes on. Allow engine to idle for at least one minute. Turn engine off. Disconnect vacuum hose No. 21 from vacuum manifold. Apply 8-12 in. Hg (27-40 kPa) vacuum to Manifold Absolute Pressure (MAP) sensor. Start engine and run at 6500 RPM with no loads and transmission in Park or Neutral. Measure voltage between ground and PCM 12-pin connector terminal No. 4 (Green wire). If less than one volt is present, fuel pump relay circuit is okay. If one volt or more is present, substitute a known good PCM, then recheck. If symptom or indication goes away, replace original PCM. 4. Turn ignition off. Disconnect PCM 26-pin and 12-pin connectors. Disconnect fuel pump relay 4-pin connector. Using a fused jumper wire, connect fuel pump relay connector terminals No. 2 (Red/White wire) and No. 4 (Green wire). Turn ignition on. Measure voltage between ground and PCM 12-pin connector terminal No. 4 (Green wire). If battery voltage is not present, go to next step. If battery voltage is present, replace fuel pump relay. 5. Remove jumper wire. Measure voltage between ground and fuel pump relay 4-pin connector terminal No. 2 (Red/White wire). If battery voltage is present, repair open or short in Green wire between PCM and fuel pump relay. If battery voltage is not present, repair open in Red/White wire between fuel pump relay and FUEL PUMP fuse No. 22 (20-amp), located in underdash fuse/relay box. FUEL PUMP RESISTOR (3.5RL) 1. Fuel pump resistor is located in the left corner of the trunk. Disconnect fuel pump resistor 2-pin connector. Turn ignition on and measure voltage between ground and fuel pump resistor connector terminal No. 2 (Yellow wire) within 2 seconds. If battery voltage is present for 2 seconds after ignition is turned on, go to next step. If battery voltage is not present as specified, check PGM-FI relay. See PGM- FI MAIN RELAY . 2. Turn ignition off. Using a jumper wire, connect fuel pump resistor connector terminals No. 1 (Black/Yellow wire) and No. 2 (Yellow wire). Turn ignition switch to START position. If engine does not start, go to next step. If engine starts, replace fuel pump resistor. 3. Turn ignition off. Disconnect fuel unit sub-harness Gray, 10-pin connector located in front of trunk, above fuel pump access panel, next to Gray, 20-pin connector. Turn ignition on and measure voltage between ground and sub-harness connector terminal No. 7 (Black/Yellow wire) within 2 seconds. If battery voltage is present for 2 seconds after ignition is turned on, check fuel pump. If battery voltage is present as specified, repair open in Black/Yellow wire between fuel pump resistor and fuel pump

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2005-2007 Ford F-Super Duty STEERING WHEEL OSCILLATION REPAIR MANUAL

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

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This article supersedes TSB 07-5-7 to update the NOTE Parts. SETTING TIRE PRESSURE TO DOOR SPECIFICATION IS ONE OF THE SINGLE MOST ISSUE IMPORTANT MEASURES IN RESOLVING THIS Some 2005-2007 F-Super Duty vehicles may exhibit ISSUE. LOWERING TIRE PRESSURE WILL MAKE steering wheel oscillation (back and forth motion), THIS ISSUE WORSE. immediately following front or rear wheel impacts ROAD TEST (i.e. pavement joints, frost heaves, rough roads, etc.). Steering wheel motion is typically in the range 1. Ask customer what type of road surface and of ± 5 degrees, and typically dampens out in fewer speed generates the steering wheel oscillation. than five oscillations. This condition occurs mostly on F-250/F-350 4X4 vehicles, and is more evident 2. Road test vehicle on similar road surface and on trucks equipped with a gas engine. speed, to gain a feel for the customer’s issue. ACTION 3. If no issues are identified during the road test, do not proceed with the rest of this TSB. Refer to the following Service Procedure to minimize the steering wheel oscillations on impacts, STEERING DAMPER however, there may be some remaining minor INSPECTION/REPLACEMENT AND oscillation which would be considered normal. STEERING/SUSPENSION FASTENER TORQUE CHECK SERVICE PROCEDURE SUMMARY F-250/F-350 4X4 Applications: 1. Set tire pressure and road test vehicle to evaluate vehicle before proceeding with further 1. Remove existing steering damper and frame repairs. If issue is resolved, do not proceed attachment bracket. with the rest of this TSB. 2. Replace steering damper and frame mounting 2. If concern still exists, install a new steering bracket with steering damper and frame damper (frame-mounted bracket and steering bracket. damper assembly on F-250/F-350 4X4 applications only). For F-250/F-350 4X2 and all 3. Attach steering damper to frame bracket and F-450/F-550 applications, inspect damper for torque bolt to 76 lb-ft (103 N•m). leaks and replace if necessary, torque steering 4. Assemble bracket and shock assembly to the and suspension fasteners per Workshop frame with attachment bolt retainer pointing to Manual (WSM). rear of vehicle. Torque frame bracket nuts to 59 3. If concern still exists, check front alignment and lb-ft (80 N•m). reduce front caster. 5. Attach other end of shock to the steering drag 4. Replace redundant control steering wheel (if link and torque to 66 lb-ft (90 N•m). equipped and vehicle built prior to 10/8/2004). 6. Install damper bolt cap to assure a friendly VEHICLE INSPECTION – TIRE PRESSURE surface for the battery cable in case of casual contact. 1. Set tire pressures as indicated on the vehicle label (located on driver’s door label).

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