Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Diesel Discussion

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 03-12-2004, 09:36 PM
kmaysob's Avatar
Registered User
 
Join Date: Nov 2003
Location: mesa az
Posts: 1,673
pulled off the egr today and...

you guessed it,compleatly clogged my question is how do i clean the intake manifold? do i need to remove it to thouroghly clean it? if so do i need to replace the manifold gasket? how much if needed? anyinfo would be appreciated.

__________________
have no worries.....President Obama swears "If you like your gun, you can keep it
Reply With Quote
  #2  
Old 03-12-2004, 09:38 PM
VeeDubTDI
Guest
 
Posts: n/a
Lightbulb

Remove the manifold and soak it in biodiesel. Biodiesel is an excellent solvent. If you can't find any bean juice anywhere, use kerosene or regular diesel. Pressure washing and/or bead blasting also works well.
Reply With Quote
  #3  
Old 03-12-2004, 10:29 PM
Hatterasguy's Avatar
Zero
 
Join Date: Nov 2002
Location: Milford, CT
Posts: 19,306
I just did this on my 603; remove the manifold and soak it in kerosene. This will clean all the crub out, a little stiff brush helps to. You also should replace the gasket as you will probably destroy it getting it off. Mine was only $14 from Fastlane. After the manifold is clean block the EGR with a plate. Your engine will thank you. Doing this woke my car up, it has a lot more power now.
__________________
2017 Chevy Silverado 1500 LTZ
2007 Tiara 3200

"No free man shall ever be debarred the use of arms. The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government."
-Thomas Jefferson
Reply With Quote
  #4  
Old 03-12-2004, 10:31 PM
VeeDubTDI
Guest
 
Posts: n/a
Cool

I may need to clean my manifold too, since the EGR was operational until 268,000 miles. I'm curious to see how much buildup you all are experiencing. I've seen some pretty horrible pictures of TDI manifolds 50% clogged, but I'm not sure if a Mercedes will get this clogged or not.

Pics pre-cleaning are much appreciated! Thanks!
Reply With Quote
  #5  
Old 03-12-2004, 10:39 PM
Hatterasguy's Avatar
Zero
 
Join Date: Nov 2002
Location: Milford, CT
Posts: 19,306
I didn't get any pics but there was about 3/8 to half an inch of crud around the inside of the manifold and crossover. It builds up the worst on the first 4 runners as they are near the EGR. VeeDubTDI take off your crossover pipe and have a look. The o-ring and gasket can be re-used, only 3 bolts to remove, less than a 10 min job.
__________________
2017 Chevy Silverado 1500 LTZ
2007 Tiara 3200

"No free man shall ever be debarred the use of arms. The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government."
-Thomas Jefferson
Reply With Quote
  #6  
Old 03-12-2004, 10:40 PM
lietuviai's Avatar
Registered User
 
Join Date: Mar 2003
Location: SW WA
Posts: 5,741
Would a non-operational EGR work the same way as if it was just simply blocked off?
__________________
DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
Reply With Quote
  #7  
Old 03-12-2004, 10:43 PM
VeeDubTDI
Guest
 
Posts: n/a
Hatterasguy, sounds like a plan, I will try to do it this weekend if I have time.

lietuviai, as long as the spring in the EGR is ok, and the crud doesn't prevent the plunger from closing, disconnecting the vacuum line will prevent it from operating.
Reply With Quote
  #8  
Old 03-12-2004, 10:46 PM
Hatterasguy's Avatar
Zero
 
Join Date: Nov 2002
Location: Milford, CT
Posts: 19,306
I guess it would if it still was getting vacuum. I put a metal plate between the egr and manifold. I also put a plug over the vacuum inlet, on the egr, and over the outlet on that thing under the air cleaner. Remember this is a SDL with a 603, a 617/W123 might be different. Probably not much though.
__________________
2017 Chevy Silverado 1500 LTZ
2007 Tiara 3200

"No free man shall ever be debarred the use of arms. The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government."
-Thomas Jefferson
Reply With Quote
  #9  
Old 03-12-2004, 10:47 PM
VeeDubTDI
Guest
 
Posts: n/a
Here's a pic of the TDI manifold before and after. This one isn't nearly as bad as some of the ones that I've seen.


This picture is courtesy of http://www.dieselgeek.com


Intake manifold before cleaning


EGR valve before cleaning


EGR valve after cleaning

Note that these pictures are from TDIs with fully functioning EGR and CCV systems. The CCV system on the TDIs is similar to the system on the OM603, in that there is no oil separator like on the OM617.

Oil vapor + soot =

Last edited by VeeDubTDI; 03-12-2004 at 11:05 PM.
Reply With Quote
  #10  
Old 03-12-2004, 10:48 PM
lietuviai's Avatar
Registered User
 
Join Date: Mar 2003
Location: SW WA
Posts: 5,741
I was pretty sure that was the case but reading so many posts about just taking it off and blocking the opening made wonder otherwise. Now that I'll have time to check other things, I'll pull the EGR and see what lurks inside the manifold.
__________________
DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
Reply With Quote
  #11  
Old 03-12-2004, 11:25 PM
kmaysob's Avatar
Registered User
 
Join Date: Nov 2003
Location: mesa az
Posts: 1,673
mine was totaly clogged. no opening at all. i got it pretty well clean. i dont get it, if its clogged wouldnt it be the same as putting a plate in. should it have more power when functioning? now i have an exaust leak where the valve connects to the pipe. so what did i accomplish?
__________________
have no worries.....President Obama swears "If you like your gun, you can keep it
Reply With Quote
  #12  
Old 03-13-2004, 12:09 AM
The Warden's Avatar
Certified diesel nut
 
Join Date: Mar 2002
Location: Pacifica (SF Bay Area), CA
Posts: 2,946
Wait...the 603's don't have an oil separator on the crankcase ventilation setup?

My 617 at least pretends to have an oil separator in the air cleaner assembly.

Also, is all of that crud from the crankcase ventilation or the EGR valve?

I'm starting to think it'd be worthwhile to pull and clean up my intake manifold...
__________________
2001 VW Jetta TDI, 5 speed, daily driver
1991 Ford F-350, work in progress
1984 Ford F-250 4x4, 6.9l turbo diesel, 5 speed manual
Previous oilburners: 1980 IH Scout, 1984 E-350, 1985 M-B 300D, 1979 M-B 300SD, 1983 M-B 300D
Spark-free since 1999
Reply With Quote
  #13  
Old 03-13-2004, 12:33 AM
wolf_walker's Avatar
Zen And The Art Of Diesel
 
Join Date: Dec 2003
Location: Oklahoma City
Posts: 2,047
Mine's full of crap.. Yay EGR. One day I'll pull and replace it with the nice early 617 non-egr manifold in the yard here. Much cleaner looking. Illegal, but this is an off road only full race car 300D as we all know..
__________________
One more Radar Lover gone...
1982 VW Caddy diesel 406K 1.9L AAZ
1994 E320 195K
Reply With Quote
  #14  
Old 03-13-2004, 12:39 AM
ForcedInduction
Guest
 
Posts: n/a
Quote:
Originally posted by wolf_walker
Illegal, but this is an off road only full race car 300D as we all know..
Those 1L Metros are hard to beat on the track.
Reply With Quote
  #15  
Old 03-13-2004, 01:05 AM
wolf_walker's Avatar
Zen And The Art Of Diesel
 
Join Date: Dec 2003
Location: Oklahoma City
Posts: 2,047
Quote:
Originally posted by 82-300td
Those 1L Metros are hard to beat on the track.
Dont't I know it.. And now these guys with the electric scooters have shown up, thinking there tuff..


__________________
One more Radar Lover gone...
1982 VW Caddy diesel 406K 1.9L AAZ
1994 E320 195K
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 11:33 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page