Fuel priming - Diesel Truck Forum - TheDieselGarage.com
Thread Details Posted by 2500ctd, this thread has received 5 replies and been viewed 1849 times.

 
LinkBack Thread Tools Display Modes
post #1 of 6 (permalink) Old 10-14-2010, 03:56 AM Thread Starter
Junior Member
 
Join Date: Oct 2010
Posts: 3
Points: 411
Thanks: 0
Thanked 0 Times in 0 Posts
Fuel priming

I ran my new project out of fuel and need help getting it restarted. Not going as easy as my 01 Dodge last time I did that. However this one is a 1980 Volvo. How do you reprime a mech injection pump?
2500ctd is offline  
Sponsored Links
Advertisement
 
post #2 of 6 (permalink) Old 10-15-2010, 06:04 PM
Junior Member
 
Join Date: Nov 2009
Posts: 3,533
Points: 70,113
Thanks: 69
Thanked 655 Times in 578 Posts
I have an air tank about two gallon size, I fill it with fuel about 80%, I have two female, couplings one in each end. I charge the tank with shop air, then couple it to the inlet side of the pump. I hold the tank up and open the valve to back flush the fuel into the tank. then shut it off I have a gauge in the line. I usually tap into the banjo fitting on the inlet side of the pump. Even if the lift pump will not allow the fuel to return, it will pressurize the injection housing and bleed the air from the injection pump allowing it to start.

1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. BW turnover Ball. Furakawa FL35 loader. Retired, HD mechanic, worked on engines all my life. Fabricator welder. electrician. in the process of finishing my new shop. Live in Rock Creek B.C. Wife has a fruit stand.
Johnp3 is offline  
post #3 of 6 (permalink) Old 10-16-2010, 03:48 AM Thread Starter
Junior Member
Threadstarter
 
Join Date: Oct 2010
Posts: 3
Points: 411
Thanks: 0
Thanked 0 Times in 0 Posts
Do I need to crack the injector lines as well? Thanks for the info.
2500ctd is offline  
post #4 of 6 (permalink) Old 10-16-2010, 04:02 AM
Junior Member
 
Join Date: Nov 2009
Posts: 3,533
Points: 70,113
Thanks: 69
Thanked 655 Times in 578 Posts
If you can keep preasure in the pump you can do that, charge the battery and only crank for 15 seconds at a time then wait for at least a minute. Most engines will start with 1 or 2 cylinders bled, do not use any starting aids, either, you can take a rag and damp with Gas and put it on the air cleaner, that will up your cranking speed.
Just a thought!

1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. BW turnover Ball. Furakawa FL35 loader. Retired, HD mechanic, worked on engines all my life. Fabricator welder. electrician. in the process of finishing my new shop. Live in Rock Creek B.C. Wife has a fruit stand.
Johnp3 is offline  
post #5 of 6 (permalink) Old 10-29-2010, 09:07 AM
Junior Member
 
BlowinSmoke's Avatar
 
Join Date: Dec 2008
Posts: 425
Points: 74,434
Thanks: 10
Thanked 4 Times in 4 Posts
Just thought I'd share my experience running my truck out of fuel. Truck is same as my signature. I had my buddy tow me to a gas station and we filled the fuel tank full. What I was trying to do was see how many miles I could push a tank of diesel. Anyways with the tank full all I did was crack each injector fuel line separately and cranked til fuel came out meaning the air was out of that line. I cranked no more than about 10 seconds for each line. After bleeding the sixth line like that the truck fired right up.

Best of luck getting it started

90' 1 Ton Dodge Diesel 4x4 Stock 12v. 5-speed Getrag. Custom 6'' Alcan Springs. 35'' Toyos.

2002 Dodge 2500 Cummins Automatic Stock.
BlowinSmoke is offline  
post #6 of 6 (permalink) Old 10-29-2010, 04:51 PM
Junior Member
 
Join Date: Nov 2009
Posts: 3,533
Points: 70,113
Thanks: 69
Thanked 655 Times in 578 Posts
With a P7100 pump you will more than likely not hurt anything, BUT you really do not want to do that, without the fuel there is no lubricant in the barrels and plungers, it will stay wet enough I would think but.

1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. BW turnover Ball. Furakawa FL35 loader. Retired, HD mechanic, worked on engines all my life. Fabricator welder. electrician. in the process of finishing my new shop. Live in Rock Creek B.C. Wife has a fruit stand.
Johnp3 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Diesel Truck Forum - TheDieselGarage.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
help!! fuel priming NIGHTMARE. dazman Duramax 2001-2004 (LB7) 3 01-29-2011 05:41 PM
fuel pressure question? fuel filter or over flow valve? hereismylife 5.9L Cummins 12 Valve (1994-1998.5) 23 04-09-2010 12:33 AM
83 GMC 6.2 priming question ps147243 6.2L Diesel Engine 10 06-18-2009 01:40 AM
466 priming procedure drillerjr Medium and Heavy Duty 3 05-25-2009 01:38 AM
Fuel priming help grimey 7.3L and 6.9 IDI (Pre 1994) 8 04-16-2009 05:52 AM

Posting Rules  
You may post new threads
You may 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 Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome