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 03-08-2010, 05:02 PM
Registered User
 
Join Date: Jul 2009
Posts: 10
1982 300sd starving for fuel

i noticed my engine hesitating. it happened after using the ramp on the interstate. got back on the throttle and it took a while to get fuel and get moving. next ramp.... happened again. tank probably had 3 gallons available. fueled up, got home, changed filters. next time the tank got low it happened again. today i drained the tank [2 &1/2 gallons] and pulled out the screen thinking blockage, but it was clean. any ideas?
Reply With Quote
  #2  
Old 03-08-2010, 10:13 PM
Registered User
 
Join Date: Nov 2004
Location: Nova Scotia, Canada.
Posts: 6,510
Main fuel filters, air leaks or weak lift pump.
Reply With Quote
  #3  
Old 03-09-2010, 08:49 AM
Jimmy Joe's Avatar
peace out
 
Join Date: May 2004
Location: California central coast
Posts: 1,004
They can leak at the primer pump, as I found out the hard way. Change all filters first.
__________________
Think Alternative Energy!
300CD '80 (now gone but not forgotten...)
Reply With Quote
  #4  
Old 03-09-2010, 11:45 AM
Biodiesel300TD's Avatar
|3iodiesel300T|)
 
Join Date: Dec 2004
Location: Albany, OR
Posts: 4,845
Clogged vent tube. Try pulling the fuel cap off after a drive and see if you get a sucking sound. If so there is a bell shaped rubber piece on the underside of the car in the rear that get clogged up. Clean it out and see if that helps.
__________________
Andrew
'04 Jetta TDI Wagon
'82 300TD ~ Winnie ~ Sold
'77 300D ~ Sold
Reply With Quote
  #5  
Old 03-09-2010, 11:59 AM
fruitcakesa's Avatar
Registered User
 
Join Date: Jun 2008
Location: Vermont
Posts: 1,135
Quote:
Originally Posted by Biodiesel300TD View Post
Clogged vent tube. Try pulling the fuel cap off after a drive and see if you get a sucking sound. If so there is a bell shaped rubber piece on the underside of the car in the rear that get clogged up. Clean it out and see if that helps.
x2 This happened to me a few times and I got a big whoosh from the tank when I opened the cap. It gets more intense the lower the fuel level is in the tank.
__________________
1981 240D 132k 4 spd manual http://www.fuelly.com/smallsig-us/40338.png
Finally got the clutch bled!
2004 VW Jetta TDI 5 speed 272k
Reply With Quote
  #6  
Old 03-12-2010, 10:09 AM
thayer's Avatar
Mercerator
 
Join Date: Oct 2008
Location: Mt. Airy, NC
Posts: 891
Quote:
Originally Posted by Biodiesel300TD View Post
Clogged vent tube. Try pulling the fuel cap off after a drive and see if you get a sucking sound. If so there is a bell shaped rubber piece on the underside of the car in the rear that get clogged up. Clean it out and see if that helps.
I'm getting a noticeable amount of vacuum when I refuel. Could you be more specific as to where on the underside of the rear of the car the vent is?

cheers
__________________

77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg
Reply With Quote
  #7  
Old 03-12-2010, 10:21 AM
Registered User
 
Join Date: Sep 2006
Posts: 298
Clogged tank screen? Anyone confirm this could be an issue, esp. w/ the vacuum issue at fillup?
__________________
This area is typically used to brag about one's current or former automobiles.
Reply With Quote
  #8  
Old 03-12-2010, 01:10 PM
toomany MBZ's Avatar
Registered User
 
Join Date: Nov 2006
Location: central Va
Posts: 7,820
Quote:
Originally Posted by thayer View Post
I'm getting a noticeable amount of vacuum when I refuel. Could you be more specific as to where on the underside of the rear of the car the vent is?

cheers
It's that bell looking object near the driver side rear suspension.
Attached Thumbnails
1982 300sd starving for fuel-fuel-tank-vent-004.jpg  
__________________
83 SD

84 CD
Reply With Quote
  #9  
Old 03-12-2010, 04:47 PM
Luther
 
Join Date: Dec 2008
Location: St Petersburg, Fl
Posts: 100
This sounds repeatative when the tank is relatively low on fuel, therefore a strong indication of a weak pump.


El Sea,

Suckin Sludge & Havin a Gas
Reply With Quote
  #10  
Old 03-12-2010, 05:48 PM
bgkast's Avatar
Rollin' on 16s
 
Join Date: Dec 2005
Location: Vancouver WA
Posts: 6,528
I have this same issue with my SD when I am at the end of the tank and take a long corner. It's just from the fuel sloshing in the tank. Go slower around corners, keep more fuel in it and/or dont worry about it.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine
Reply With Quote
  #11  
Old 03-22-2010, 05:12 PM
thayer's Avatar
Mercerator
 
Join Date: Oct 2008
Location: Mt. Airy, NC
Posts: 891
Quote:
Originally Posted by toomany MBZ View Post
It's that bell looking object near the driver side rear suspension.
HA!. Thanks. I love pictures.
__________________

77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg
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 07:58 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2018, 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