Question about 2004 Pontiac Grand Am

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I cannot get the egr valve off. The bolts are too tight from factory. Tell me how to get the part off. Is there a way to clean the part after I get it taken off?

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Take a wide punch and hit the top of each bolt with the punch. Use a 5 pound mauler or any heavy hammer. One good whack will shock the junk seizing up the bolt threads for you

Posted on Aug 30, 2010

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1 Answer

What is a egr valve


  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.

Tell us news.

Oct 12, 2012 | 1998 Nissan Maxima

1 Answer

Want to clean egr valve myself. has anyone done


Thats simple, Just remove it, Get an old tooth brush and some carb cleaner, spray inside egr, and port where it was bolted, Not to excessive though, then take tooth brush to knock debris loose, Then spray again to insure clean.

Jun 09, 2010 | 1995 Honda Accord

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.

Tell us news.

May 04, 2010 | 1999 Mercury Sable

1 Answer

Main bolt for alternator has been removed.


a 1/4"10 mm swivel will break it loose then it sould only be finger tight i have never crossed one any tighter keep the top on tight until the bottom comes loose

Sep 04, 2009 | 2006 Dodge Grand Caravan

2 Answers

PROBLEM CRANKING


You didn't mention fuel filter. I'd also take time to have fuel pressure tested, as well as exhaust checked for restriction such as plugged catalytic converter.

Jul 21, 2009 | 1997 Chevrolet Astro

2 Answers

HOW TO FIX A CHEVROLET 1995


Idle air control valve, Mass air flow sensor, timing chain, or vacuum leaks

May 16, 2009 | 1993 Chevrolet Astro

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

1 Answer

1994 Sonoma just threw a code 32 EGR Valve do you have a diagram of the motor or can you tell me where it is located?


Your EGR valve is located behind your throttle body and injectors, and it is attached to the intake manifold. It has two bolts on opposite sides of the valve and a vacuum line running out of it. Disconnect the vacuum line, remove the two bolts, and pull off the EGR valve. The EGR's on these trucks tend to get clogged up with carbon and stick. Take some carb and choke cleaner, and a small pick or very small flat head screw driver and break up the carbon inside of the valve. Be careful not to puncture the rubber diaphragm or you EGR will be no good after you get done cleaning it. Once you get all of the carbon deposits out of the EGR, assuming you buy a new gasket for it, put the gasket between the valve and intake manifold, tighten screws, and plug the vacuum line back in. This should solve your problem!

Dec 02, 2008 | 1994 GMC Sonoma

1 Answer

How do you replace egr valve in a 2005 dodge caravan


REMOVAL - 2.4L The EGR valve and Electrical EGR Transducer are serviced as an assembly.
  1. Disconnect vacuum tube from electric EGR transducer. Inspect vacuum tube for damage.
  2. Remove electrical connector from solenoid.
  3. Remove EGR tube bolts from EGR valve.
  4. Remove EGR valve from cylinder head adaptor.
  5. Clean gasket surface and discard old gasket. Check for any signs of leakage or cracked surfaces. Repair or replace as necessary

INSTALLATION - 2.4L The EGR valve and Electrical EGR Transducer are serviced as an assembly.
  1. Assemble EGR valve with new gasket onto the cylinder head adaptor.
  2. Loose assemble the bolts from EGR valve to EGR tube.
  3. Loose assemble the bolts from EGR valve to cylinder head.
  4. Tighten bolts from EGR valve to cylinder head to 22.8 N·m (200 ±25 in. lbs.) torque.
  5. Tighten bolts from EGR valve to EGR tube to 11.9 N·m (105 ±20 in. lbs.) torque.
  6. Reconnect vacuum hose and electrical connector to electrical EGR transducer.

Aug 03, 2008 | 2007 Dodge Caravan SXT Minivan New Cars

1 Answer

My car is sputtering, and a diagnostic machine read that the egr valve is malfunctioning. If I buy the part, how difficult will it be to have someone or myself replace it vs spending so much?


Easy enough to do.
Make sure you get a gasket with a new egr valve.
CLEAN off the old gasket from the engine real good,may have to scrape it off.
Don't let anything fall into the opening,maybe use a paper towel in the opening to keep crud out.
Use some penetrating fluid on the nuts/bolts to help loosen them BEFORE trying to remove,you don't want to snap one off!
Make sure the hole is FULLY open,those cars tend to get the egr system clogged so if ya have a shop vac use it to **** up any crud from the hole.
Place gasket back onto the engine/egr valve and tightem the bolts up snug,ya don't want to crank them down so tight they snap off,just get it all nice and tight/snug.
Don't forget to hook up any hoses from the egr valve!
Start car,test drive.
My old '84 egr system was clogged up badly,so they cleaned the entire system along with cleaning up the throttle body(carb)and installing a new pre-heat assy for the throttle body,she ran smooth after that.
It had about 86,000 miles on it from old owner,i sold it then the oil pump went out on the other owner,those cars can have weak oil pumps so watch your gauges!

Jul 28, 2008 | Pontiac Grand Prix Cars & Trucks

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