3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

where is the EGR located on the 6.7

Thread Tools
 
Search this Thread
 
Old Nov 29, 2008 | 05:59 PM
  #1  
jerry007's Avatar
Thread Starter
Registered User
 
Joined: Oct 2004
Posts: 168
Likes: 0
From: Atlanta
where is the EGR located on the 6.7

Could someone post a picture of the EGR and its location on the engine. Thanks for any help.
Reply
Old Nov 29, 2008 | 06:01 PM
  #2  
mastercaster's Avatar
Registered User
 
Joined: Nov 2007
Posts: 399
Likes: 0
From: Leander, TX
egr valve is on the very top right side just under the plastic cover. follow the crossover tube to it. the egr cooler is on the left side of the motor and runs parallel to the head. again, follow the crossover tube.
Reply
Old Nov 29, 2008 | 07:00 PM
  #3  
bob4x4's Avatar
Registered User
 
Joined: Aug 2004
Posts: 1,219
Likes: 0
From: SoCal
Originally Posted by mastercaster
egr valve is on the very top right side just under the plastic cover. follow the crossover tube to it. the egr cooler is on the left side of the motor and runs parallel to the head. again, follow the crossover tube.
You have the sides reversed.the drivers side is always the left side of the vehicle.
The egr valve is bolted on to the intake horn.
The EGR (Exhaust Gas Recirculation) system is designed to reduce NOx in the exhaust system by reducing combustion temperatures. This is done by introducing inert gas (exhaust) into the combustion process. The intake air charge is diluted by a precisely metered amount of exhaust gas for the operating mode. For example at idle and part throttle, more EGR is introduced than at high-speed cruise conditions. A cooler (2) reduces the temperature of the exhaust gas before it is combined with the intake air, which increases the ability of the existing volume of inert gas to reduce NOx. The EGR cooler is cooled by the engine coolant.

The EGR system contains the following components:

EGR Cooler (2)
EGR Valve Assembly (5)
EGR Valve Crossover Tube (4)
EGR Temperature Sensor (7)
EGR Valve Actuator (6)
EGR Air Flow Control Valve (8)



EGR is active at low load and speed ranges. Control of EGR flow is based on engine load and engine speed. The ECM (Engine Control Module) gathers information from engine input sensors, and after evaluating the input signals, uses a stored performance map to operate the EGR Valve Actuator (2) and EGR Airflow Throttle Control Valve (3). The calculation allows for a precise EGR flow rate.

The EGR Valve Assembly (1) is located at the left front of the engine, in the upper corner of the intake manifold. The EGR valve has two poppet valves connected by a valve shaft. Cooled exhaust gases flow from the EGR cooler to the center of the valve. When the valves open, exhaust gasses flow into the intake air stream from both the top and the bottom of the passage.

The EGR valve motor (actuator) (2) is a three-phase, brushless DC motor controlled by the ECM. The motor assembly also contains three Hall-effect sensors that detect EGR valve position.
Reply
Old Nov 29, 2008 | 08:19 PM
  #4  
jerry007's Avatar
Thread Starter
Registered User
 
Joined: Oct 2004
Posts: 168
Likes: 0
From: Atlanta
Thanks for all the info.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
MOJO1
3rd Gen High Performance and Accessories (6.7L Only)
8
Aug 4, 2009 06:28 PM
Loop67
24 Valve Engine and Drivetrain
1
Oct 22, 2004 09:33 AM
midwestdually
Other
5
Jan 3, 2004 03:44 PM




All times are GMT -5. The time now is 04:33 PM.