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How do I remove and install the EGR valve for 97 Landcruiser?

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Unplug vacuum hose and any electrical connectors, then use wrench to remove the tube that goes to exhaust and if this one has 2 bolts, remove them. Reverse to replace. Some times, the nut to exhaust is rusted on and a torch is needed to help break it loose.

Posted on May 03, 2010

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I have a 1995 gmc jimmy. Fuel injected 4.3 vortec. I need to clean out the egr valve but I have not been able to locate it. Can some one please help! If you have photos that would really help


Sorry I dont have a pic. for you. But here are instructions. The EGR valve is located at the top right of the engine next to the throttle body. REMOVAL & INSTALLATION
Except Linear EGR Valve

Disconnect the negative battery cable.
Remove the air cleaner assembly from the engine.
If equipped, unplug the valve electrical connection.
Remove the EGR valve vacuum tube from the valve.
Remove the EGR bolts and/or nuts and remove the EGR valve and gasket.
To install:
Install a new gasket to the EGR valve and install the EGR valve to the manifold.
Install the nuts and/or bolts. Tighten the bolts to 17 ft. lbs. (24 Nm) and the nuts to 15 ft. lbs. (20 Nm).
Connect the vacuum tube to the EGR valve.
If equipped, attach the valve electrical connection.
Install the air cleaner and connect the negative battery cable.
Linear EGR Valve
Disconnect the negative battery cable.
Note the position of the EGR valve prior to removal. Do not rotate the valve 180?.
Unplug the valve electrical connection..
Unfasten the valve retainers, then remove the valve and the gasket.

To install:
Clean all gasket residue from the gasket mating surfaces.
Install a new gasket and the valve.
Install the valve retainers.
On 1994-97 2.2L engines and 1994-95 4.3L engines, tighten the valve retainers to 17 ft. lbs. (24 Nm). On 1998-99 2.2L models, tighten the retainers to 19 ft. lbs. (26 Nm).
On 1996-99 4.3L models, tighten the retainers on the first pass to 89 inch lbs. (10 Nm) and on the final pass to 18 ft. lbs. (25 Nm).
Attach the valve electrical connections and connect the negative battery cable.

Nov 28, 2011 | 1995 GMC Jimmy

1 Answer

Just replaced EGR hose & valve copver gaskets on 2002 Ford Escape 4WD. Did test drive, runs really rough & almost stops & cuts off. Any ideas?


OK, if you replaced the EGR hose, did you go all the way to change the EGR Valve? A stuck open EGR Valve can cause a rough idle and almost make it cut off.
Also, a vacuum leak on the EGR valve can cause a rough idle.

prev.gif next.gif Exhaust Gas Recirculation (EGR) Valve Removal & Installation 2.0L Zetec Engine NOTE: When the EGR tube is disconnected from the EGR valve, it must be discarded and a new EGR tube must be installed. The aluminum threads on the EGR valve must be inspected, and a new EGR valve installed if the threads are damaged.
To Remove:
  1. Disconnect the negative battery cable.
  2. Remove and discard the exhaust manifold-to-EGR tube. Use the following as a guide:
  3. Raise and safely support the vehicle
  4. Remove the splash shield
  5. Disconnect the EGR tube fitting
  6. Lower the vehicle
  7. Remove the air cleaner outlet pipe
  8. Disconnect the EGR tube from the EGR valve.
  9. Detach the vacuum line and remove the two retainer bolts.
NOTE: The EGR valve sealing surfaces are soft metals and easily damaged.
To Install:
  1. Installation is a reverse of the removal process. Carefully clean all sealing surfaces and install a new EGR valve gasket.
  2. Install a new EGR valve tube.
Detach the vacuum line (#1) and unbolt the EGR valve - 2.0L 02-04_escape_emissions_022.gif

3.0L (4v) Engine To Remove:
  1. Disconnect the vacuum line.
  2. Disconnect the EGR tube.
  3. Remove the EGR valve and discard the gasket.
NOTE: The EGR valve sealing surfaces are soft metals and easily damaged.
To Install:
  1. Installation is a reverse of the removal process. Carefully clean all sealing surfaces and install a new EGR valve gasket.
Detach the vacuum line (#1), unthread the EGR tube (#2) and remove the EGR valve bolts (#3) - 3.0L (4V) 02-04_escape_emissions_023.gif

Aug 02, 2010 | 2002 Ford Escape

3 Answers

EGR Valve not working


EGR Valve Testing
  1. Install a tachometer on the engine, following the manufacturer's instructions.
  2. Detach the engine wiring harness connector from the Idle Air Control (IAC) solenoid.
  3. Disconnect and plug the vacuum supply hose from the EGR valve.
  4. Start the engine, then apply the parking brake, block the rear wheels and position the transmission in Neutral.
  5. Observe and note the idle speed.
If the engine will not idle with the IAC solenoid disconnected, provide an air bypass to the engine by slightly opening the throttle plate or by creating an intake vacuum leak. Do not allow the idle speed to exceed typical idle rpm.
Using a hand-held vacuum pump, slowly apply 5-10 in. Hg (17-34 kPa) of vacuum to the EGR valve nipple.
  1. If the idle speed drops more than 100 rpm with the vacuum applied and returns to normal after the vacuum is removed, the EGR valve is OK.
  2. If the idle speed does not drop more than 100 rpm with the vacuum applied and return to normal after the vacuum is removed, inspect the EGR valve for a blockage; clean it if a blockage is found. Replace the EGR valve if no blockage is found, or if cleaning the valve does not remedy the malfunction.


EGR Valve Removal & Install
3.0L OHV (2 valve) and 3.4L SHO engines

b9175c5.jpg

Fig. : EGR mounting-3.0L OHV (2 valve) engine

5fcd84e.jpg

Fig. : EGR mounting-3.4L (SHO) engine

4552fc2.jpg

Fig. : Remove the two retaining bolts and...

b849310.jpg

Fig.: ... remove the valve from the intake manifold

795549d.jpg

Fig.: Thoroughly clean the mating surfaces of the manifold and the EGR valve (if being reused)
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Using a 22mm wrench or crowfoot, disconnect the EGR valve-to-exhaust manifold tube from the EGR valve.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-exhaust manifold tube to the valve, then tighten the tube nut to 26-47 ft. lbs. (35-65 Nm).
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

3.0L OHC (4 valve)

d8a563e.jpg

Fig. : EGR mounting-3.0L OHC (4 valve) engine
  1. Disconnect the negative battery cable.
  2. Remove the vacuum hose from the EGR valve.
  3. Remove the two EGR tube-to-EGR valve retaining nuts.
  4. Remove the EGR valve mounting fasteners, then separate the valve from the intake manifold.
  5. Remove and discard the old EGR valve gasket, and clean the gasket mating surfaces on the valve and the intake manifold.
To install:
  1. Install the EGR valve, along with a new gasket, on the upper intake manifold, then install and tighten the mounting bolts to 15-22 ft. lbs. (20-30 Nm).
  2. Connect the EGR valve-to-EGR tube, then tighten the retaining nuts.
  3. Connect the vacuum hose to the EGR valve.
  4. Connect the negative battery cable.

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May 04, 2010 | 1999 Mercury Sable

1 Answer

How do I locate and replace EGR valve?


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REMOVAL PROCEDURE
1. Turn OFF the ignition. 2. Disconnect the EGR valve electrical connector 3. Remove the bolt retaining the pipe assembly from the EGR valve and carefully pull the pipe assembly back. 4. Remove the EGR valve retaining bolts. 5. Remove EGR valve assembly. 6. Remove the gasket. INSTALLATION PROCEDURE
1.
Install the EGR Valve with a new gasket to the intake manifold. NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the bolts through the EGR valve. Tighten Tighten the bolts to 30 N.m (22 lb ft) 3. Connect the pipe assembly to the EGR valve. 4. Install the bolt. Tighten Tighten the bolts to 30 N.m (22 lb ft) . Connect the EGR valve electrical connector.

Jan 30, 2010 | 2001 Buick Regal

2 Answers

Egr valve


Below is a link for instructions for the removal and installation of the EGR valve along with a diagram. Best of luck.
Greg
97 Buick EGR

Nov 04, 2009 | 1997 Buick LeSabre

1 Answer

EGR valve


You dont, carb cleaner only removes gunk, where an EGR valve is full of hardened carbon.

Aug 12, 2009 | 1997 Chrysler Sebring

4 Answers

I replaced EGR valve on my 97 Acura 3.0 CL after


I am fixing to change my EGR valve and the piece of paper that came with the part say this:

Important Notice
Before installing this part, check the EGR valve passage in the intake manifold and clear any carbon blockage. Failure to do so will result in repeat malfuntion of the EGR valve system. Refer to a technical service manual or contact a service dealer for proper cleaning procedures.

Hope this helps.

Aug 02, 2009 | 1997 Acura CL

1 Answer

How to remove egr valve on 1997 lincoln towncar


The EGR valve can be replaced by using a pipe wrench, or a standard wrench to remove the fitting over the pipe going into the EGR valve... it's not too hard to replace, I've done it on mine myself... I have a 97 town car as well... the only problem is that my EGR valve was fine, but the computer told me it was bad... But I found out that the EGR sensor was bad, not the valve... now to replace the EGR sensor you need to remove the engine... FORD in their infinite wisdom decided to put the EGR sensor on the rear of the engine, half way down next to the firewall...

My mechanic said that as long as the car is running fine, I souldnt worry about the EGR sensor, its job is to tell me when the EGR valve is bad...

Hope this helps

Jun 27, 2009 | 1997 Lincoln Town Car

1 Answer

Check engine light on when check it insufficent EGR valve


yes the passages can be cleaned. They pass exhaust gas into the intake maniflod for reburning.

It could be the DPFE that controls the EGR too. Diff. Pressure Feedback EGR.

there is also a vacuum regulator valve and a solenoid too.

Please rate as fixya if this helps.

----------------
Exhaust Gas Recirculation (EGR) Valve —3.0L (2V) Removal and Installation
  1. Disconnect the exhaust gas recirculation (EGR) valve (9D475).
    1. Disconnect the vacuum line.
    1. Disconnect EGR tube nut.
  1. Remove the EGR valve.
    • Remove the two bolts.
    • Remove and discard the gasket.
  1. NOTE: The sealing surfaces are soft metal.
    To install, reverse the removal procedure.
    • Carefully clean both sealing surfaces and install a new EGR valve gasket.
2d0d879.gif
--------------------------------------
EGR Valve —3.0L (4V) Removal and Installation
  1. Remove the EGR valve (9D475).
    1. Disconnect the vacuum line.
    1. Disconnect the EGR tube.
    1. Remove the EGR valve and discard the gaskets.
e56a6e2.gif
  1. NOTE: The EGR valve sealing surfaces are soft metal.
    To install, reverse the removal procedure.
    • Carefully clean all sealing surfaces and install new EGR valve gaskets.

Apr 07, 2009 | 2000 Mercury Sable

2 Answers

2005 Dodge 1500 code p0404 EGR valve.


The electronic EGR valve and solenoid assembly is attached to the rear of the left cylinder head ,

  1. Remove electrical connector (5) at top of EGR valve solenoid.
  2. Remove tube mounting bolt (1) at intake manifold.
  1. Remove two bolts (4) connecting EGR tube (1) to valve assembly.
  2. Remove gasket located between EGR tube flange and EGR valve assembly.
  3. Remove two EGR valve mounting bolts (5).
  4. Separate valve assembly (3) from engine.
  5. Remove and discard metal gasket located between cylinder head and valve assembly.
INSTALLATION
  1. Clean area at rear of left cylinder head where it joins base of EGR valve.
  2. Clean EGR tube where it joins EGR valve.
  3. Position new gasket between EGR valve and cylinder head.
  4. Position EGR valve to cylinder head. Install and tighten two bolts (5). Refer to Torque Specifications.
  5. Position new gasket between EGR tube flange and EGR valve assembly.
  6. Position EGR tube (1) to side of EGR valve and into intake manifold.
    1. Install EGR tube flange bolt (1) at intake manifold. Tighten bolt. Refer to Torque Specifications.
    2. Connect electrical connector (5) to top of EGR valve solenoid (2).Do a final tightening of two EGR tube bolts (4). Refer to Torque Specifications

Feb 05, 2009 | 2005 Dodge Ram 1500

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