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1996 f150 W 5.0 engine , what is tube on rear of head from exhaust port on each w/ valve ?

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FOR THE EMISSIONS SYSTEM

Posted on Aug 07, 2010

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EGR Code


I had simular problem on 1996 Mercury Marque. Mine was stopped up exhaust port under engine heads = remove heads, clean, replace head gaskets. Also possible that you have a problem with EGR controls, that is due to bad control or vacuum hose off. What does engine analyzer say? Mine was very confusing, listed all kinds of EGR control faults.
Thanks and Good Luck,
Bill

Aug 17, 2012 | 1997 Mercury Cougar XR7

1 Answer

A cylinder head valve arrangement


look at the ports on the exhaust manifold and compare them to the ports on the cylinder head, some times one manifold port will service two valves.

Apr 03, 2017 | 1996 Buick Century

1 Answer

Image of a 1996 century 3.1lit cylinder head


the inlet valve will be in line with the inlet port
the exhaust will be on line with an exhaust port

Sep 10, 2017 | 1999 Buick Century

1 Answer

Auto part store says there is no egr valve on 08 dodge ram 1500 4.7. True?


25 - Emissions Control/Exhaust Gas Recirculation, Gas/VALVE, Exhaust Gas Recirculation (EGR), 4.7L/Removal REMOVAL collapse.gif Labor Operations: Click to display a list of Labor Operations associated with this procedure

2431021.jpg The electronic EGR valve and solenoid assembly is attached to the rear of the left cylinder head. An exhaust gas routing tube connects the EGR valve to the intake manifold.
1. Use a diagnostic scan tool to record any Diagnostic Trouble Codes (DTC). 2. Remove the throttle body resonator. 3. Perform the fuel system pressure release procedure (Refer to 14 - Fuel System/Fuel Delivery - Standard Procedure) 4. Disconnect and isolate the negative battery cable.


2430847.jpg 5. Disconnect the power brake booster vacuum hose (1) and the vapor canister purge hose (2) at the intake manifold.


2430720.jpg 6. Disconnect the EGR valve solenoid electrical connector (1).


2430801.jpg 7. Remove the EGR valve assembly retaining bolts (1). 8. Remove the EGR valve and the EGR routing tube from the engine as an assembly. 9. Remove and discard the metal gasket located between the cylinder head and the EGR valve assembly.


2433378.jpg 10. Remove the EGR valve routing tube retaining bolts (1) at the EGR valve assembly 11. Remove the EGR valve routing tube and discard the gasket.

Feb 14, 2012 | 2008 Dodge Ram 1500 2WD

1 Answer

Engine light comes on so they scan it and they told me egr valvue


The problem is that your EGR valve needs replaced. What these do is they allow a precise quantity of exhaust back into the intake manifold; Provides a great help for an efficient combustion process and improved engine performance, when thes go bad your perfomance drops off and it does not run as clean.
The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum-controlled valve which allows exhaust back into the intake manifold in controlled amounts. The EGR valve can clog and get contaminated over time by carbon buildup, at which point it will require replacement. A malfunctioning valve can cause the engine exhaust pressure to drop and send engine warnings to the computer. It can also cause engine back pressure to drop, reducing gas mileage and engine
This is for a dodge ram, as I have no idea what car you have but this is a general tip.
  • Locate the EGR valve in the engine bay. The year and make of the Dodge vehicle determine where the valve is located. This is on the front of the engine block, next to the timing belt in model-year 2005 and newer trucks. In older vehicles you will typically find the valve behind the engine, near the firewall.

  • Unclip the exhaust tube from the side of the valve. You can do this by hand. Shift the tube from side to side until it slides off.Use a flat-head screwdriver to remove the EGR valve from the exhaust tube. There is a screw on each side of the tube.

    Disconnect the harness from the EGR valve. Use your hand to pull up on the tab and slide the harness from the valve.

    Use a flat-head screwdriver to remove the two screws that secure the EGR valve to the cylinder head. Remove the EGR valve and clean the surface of the cylinder.

    Attach the new EGR valve to the cylinder head and tighten it down with the same screws that were previously installed.

    Reattach the harness and reattach the exhaust tube to the valve. Tighten the two flat-head screws that hold the tube to the valve.

    Reattach the hose to the valve and use your hand to attach the clip to the hose.

    Mar 15, 2011 | Dodge Caravan Cars & Trucks

    1 Answer

    I have a 1996 geo tracker that the code reader says has an EGR valve problem. I have read about the cleaning the out the port? going to it. Is it possible or likely that this port? fouling is really the...


    Had same problem and cleaning out port where the exhaust tube enters the intake solved the problem. This tube runs from near the EGR valve up to the intake. Two 10mm bolts on each end. Simple fix and cost is only time. 15min.

    Nov 26, 2010 | 1996 Geo Tracker 2 Door

    1 Answer

    Need to do oil change. can not find oil pan. where is it located



    1. Remove the upper radiator hose. Remove the wiper module and support bracket.

    1. Disconnect and plug the compressor outlet hose at the compressor and remove the bolt retaining the hose assembly to the right coil bracket. Cap the compressor outlet.
    2. Remove the engine harness connector from the retaining bracket on the brake vacuum booster and detach the connector and transmission harness connector.
    3. Disconnect the throttle valve cable from the throttle body and disconnect the heater outlet hose.
    4. Remove the nut retaining the ground strap to the right cylinder head. Remove the upper stud and loosen the lower bolt retaining the heater outlet hose to the right cylinder head and position out of the way.
    5. Remove the blower motor resistor. Remove the bolt retaining the right engine mount to the lower engine bracket.
    6. Disconnect the vacuum hoses from the EGR valve and tube. Remove the 2 bolts retaining the EGR valve to the intake manifold.
    7. Raise and safely support the vehicle. Drain the crankcase and remove the engine mount through bolts.
    8. Remove the EGR tube line nut from the right exhaust manifold and remove the EGR valve and tube assembly.
    9. Disconnect the exhaust from the exhaust manifolds. Lower the exhaust system and support it with wire from the crossmember.
    10. Position a jack and a block of wood under the oil pan, rearward of the oil drain hole. Raise the engine approximately 4 in. and insert 2 wood blocks approximately 2 1 / 2 in. thick under each engine mount. Lower the engine onto the wood blocks and remove the jack.
    11. Remove the 16 bolts retaining the oil pan to the engine block and remove the oil pan.

    It may be necessary to loosen, but not remove, the 2 nuts on the rear transmission mount and with a jack, raise the transmission extension housing slightly to remove the pan.
    1. If necessary, remove the 2 bolts retaining the oil pickup tube to the oil pump and remove the bolt retaining the pickup tube to the main bearing stud spacer. Remove the pickup tube.



    20871a3.jpg

    Fig. 3: Oil pan bolt torque sequence-4.6L engine (click over pic fo zoom).


    Hpe helps (remember to rate this).

    Oct 05, 2010 | 1994 Mercury Grand Marquis

    2 Answers

    How to change an exhaust manifold leak 7.5L


    Right-Hand
    Removal
    1. Remove spark plug heat shield (12A406).
    1. Remove distributor to spark plug wires (12286) using Spark Plug Wire Remover T74P-6666-A.
      1. Disconnect muffler inlet pipe.
      1. If equipped with secondary air injection, disconnect the secondary air injection check valve tube (9B480).
      1. Remove attaching bolts and right exhaust manifold (9430).
      1. Inspect joint faces for signs fo exhaust leaks, cracks or any defect that would make exhaust manifold unfit for use







    Left-Hand Removal






    1. Remove oil level indicator tube (6754).
    1. Remove spark plug heat shield.
    1. Remove distributor to spark plug wires using Spark Plug Wire Remover T74P-6666-A.
    1. Disconnect EGR valve to exhaust manifold tube (9D477). If equipped with air injection, disconnect the secondary air injection check valve tube.
    1. Disconnect muffler inlet pipe.
    1. Remove attaching bolts and exhaust manifold (9431).
    1. Inspect joint faces for signs of exhaust leaks, cracks or any defect that would make the exhaust manifold unfit for use.
    Installation
    1. Clean mating surfaces of right exhaust manifold or left exhaust manifold and cylinder head (6049). Clean mounting flange of right exhaust manifold or left exhaust manifold and inlet pipe(s). Clean mounting surface for air injection tube or right exhaust manifold. Apply light film of Premium Long-Life Grease XG-1-C or -K or equivalent meeting Ford specification ESA-M1C75-B to right exhaust manifold or left exhaust manifold.
    1. Position right exhaust manifold or left exhaust manifold on cylinder head. Install attaching bolts and washers, starting at fourth bolt hole from front of each right exhaust manifold or left exhaust manifold. Tighten bolts to 34-47 Nm (25-35 lb-ft), working from center right to both ends.
      1. Position inlet pipes to right exhaust manifold or left exhaust manifold. Install attaching nuts and tighten to 34-47 Nm (25-35 lb-ft).
      1. Position the secondary air injection check valve tube and the secondary air injection tube gasket (9C435) at rear of right-hand exhaust manifold. Install attaching bolts and tighten to 19-25 Nm (14-18 lb-ft).
      1. Attach the secondary air injection manifold tube (9B449) to left-hand exhaust manifold fitting (located under EGR tube). Tighten nut to 30-40 Nm (22-30 lb-ft).
      1. Attach the secondary air injection check valve tube to rear of right-hand cylinder head. Tighten bolts to 75-85 Nm (56-62 lb-ft).
        1. Connect EGR valve to exhaust manifold tube to left exhaust manifold, if removed. Tighten nut to 53-72 Nm (39-53 lb-ft).
        1. Install spark plug heat shield and distributor to spark plug wires.
        1. Install oil level indicator tube to left exhaust manifold, if removed. Tighten nut to 13-24 Nm (10-18 lb-ft).
        2. Start engine (6007) and check for exhaust leaks.







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    Hope this helps you...WF †

    Mar 10, 2010 | 1996 Ford F250 Crew Cab

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