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 ShopForum > Technical Information and Support > Diesel Discussion

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 03-09-2007, 09:34 AM
juanesoto's Avatar
Diesel freak!
 
Join Date: Mar 2006
Location: San Jose, Costa Rica
Posts: 300
ATF smooth, Diesel rough!

Hello guys!

I would like to hear your opinion about this. Two days ago I changed my engine oil and while doing that, I decided to try to clean my injectors using ATF. I readed this was possible due to the detergents the ATF has.

I made a little fuel tank from a gallon and poured 2 quarters of ATF and completed the gallon with Jet-1 fuel. I had the engine burn half of the gallon and the idle got really really smooth and quiet. I poured the remaining half gallon in my fuel tank (which was a 1/3 full) and the car was running like it never did before!

Yesterday I filled my tank with normal diesel and now the anoying nailing noise from the injectors is back!!!

Why could this have happened?
__________________
1982 W123 300D NA Euro, 300K Miles, 4-speed manual, 3.46 rear diff, early W126 front brakes, Penta rims with 205/60R15 FH900's, custom fitted (by me) audio system, more to come into the money pit... Soon to be installed: Bilstein HD, R107 front discs and 4-piston calipers, HD Suspension springs, wagon front swaybar.

Reply With Quote
  #2  
Old 03-09-2007, 09:43 AM
rrgrassi's Avatar
mmmmmm Diesel...
 
Join Date: Jun 2006
Location: Royse City Tx
Posts: 4,868
Did you have the injectors tested for pop pressure and spray pattern?
__________________
RRGrassi


70's SPM #5608 Fairmont A-4 MOW car

06 VW Jetta TDI 210K miles

82 300D 322K My Daily Driver-Warndreicke in the trunk. Trip ODO still working!

90 Dodge D250 5.9 Cummins/5 speed. 350K
Reply With Quote
  #3  
Old 03-09-2007, 09:54 AM
juanesoto's Avatar
Diesel freak!
 
Join Date: Mar 2006
Location: San Jose, Costa Rica
Posts: 300
nope, my experiment was that, a simple experiment....

You know, I was there, waiting for the engine oil to drain.... I saw an empty gallon container, the atf quarts... I recalled having a couple of Jet-A1 fuel somewhere in the warehouse....

With the mix I did, the engine was running incredibly smooth! I was very very impressed with the smoothness and the quietness of the idle.
__________________
1982 W123 300D NA Euro, 300K Miles, 4-speed manual, 3.46 rear diff, early W126 front brakes, Penta rims with 205/60R15 FH900's, custom fitted (by me) audio system, more to come into the money pit... Soon to be installed: Bilstein HD, R107 front discs and 4-piston calipers, HD Suspension springs, wagon front swaybar.

Reply With Quote
  #4  
Old 03-09-2007, 10:03 AM
mrhills0146
Guest
 
Posts: n/a
A Diesel will run very quietly and smoothly on ATF, that should not be a surprise.
Reply With Quote
  #5  
Old 03-09-2007, 11:44 AM
H-townbenzoboy's Avatar
Now Y2K Compliant
 
Join Date: Jul 2003
Location: Houston, TX
Posts: 4,186
Using ATF frequently has been known to coke injectors.
__________________
Current President of MBCA|Houston

81 MB 300SD, 82 MB 300D Turbo (sold), 04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.
Reply With Quote
  #6  
Old 03-09-2007, 06:06 PM
ConnClark's Avatar
Power User
 
Join Date: Nov 2005
Posts: 1,121
Using ATF has done nothing but clean mine out. Of course I only add mine when I change the fuel filter. I top off the fuel filter with ATF before I screw it on then purge the system of air like you should when changing the fuel filter. The other method is to just add a quart to the fuel tank and drive it.

Maybe you got air in the system?
__________________
green 85 300SD 200K miles "Das Schlepper Frog" With a OM603 TBO360 turbo ( To be intercooled someday )( Kalifornistani emissons )
white 79 300SD 200K'ish miles "Farfegnugen" (RIP - cracked crank)
desert storm primer 63 T-bird "The Undead" (long term hibernation)

Reply With Quote
  #7  
Old 03-09-2007, 06:31 PM
Registered User
 
Join Date: Jul 2004
Posts: 6,654
The 616 and 617 will run very quiet on ATF, veg oil, motor oil and just about any other thicker oil you would add to the fuel. Why? I dont know. The engine sounds much better- but that certainly does not mean it is better for the engine. Even 1/2 gallon of any of these "fuels" will quiet the engine when added to a full tank. The louder engine will return when the oil is no longer burned. Same event occurs when cleaning the injectors with diesel purge.
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 07:44 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2011 Pelican Parts - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page