12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

no air

Old Dec 7, 2009 | 01:10 AM
  #1  
adub12valve's Avatar
Thread Starter
|
Diesel Enthusiast
Joined: Dec 2008
Posts: 181
Likes: 3
From: prineville
Default no air

hey i have a 98 12 valve, and the it blows air but only out of the vents, no matter what setting it is on or hot or cold. any help is appreciated
thanks andrew
 
Reply
Old Dec 7, 2009 | 12:02 PM
  #2  
ArizonaRedneck's Avatar
BOMBARDIER
Joined: Oct 2009
Posts: 4,366
Likes: 240
From: arizona
Default

had same problem on my 1st gen changed my heater and a/c control unit fixed the problem
 
Reply
Old Dec 7, 2009 | 06:14 PM
  #3  
adub12valve's Avatar
Thread Starter
|
Diesel Enthusiast
Joined: Dec 2008
Posts: 181
Likes: 3
From: prineville
Default

ok i will try that when i go home, thanks
 
Reply
Old Dec 7, 2009 | 06:16 PM
  #4  
wildbill's Avatar
BOMBARDIER
Joined: Jul 2007
Posts: 12,809
Likes: 668
From: Billlings, MT
Default

Check all vac lines to. Got one disconnected/rotted somewhere.
 
Reply
Old Dec 7, 2009 | 06:26 PM
  #5  
adub12valve's Avatar
Thread Starter
|
Diesel Enthusiast
Joined: Dec 2008
Posts: 181
Likes: 3
From: prineville
Default

i took off the vac for the 4 wheel drive, would that have made it not work?
 
Reply
Old Dec 7, 2009 | 06:27 PM
  #6  
wildbill's Avatar
BOMBARDIER
Joined: Jul 2007
Posts: 12,809
Likes: 668
From: Billlings, MT
Default

Did you plug the end of the hose??
 
Reply
Old Dec 8, 2009 | 11:53 AM
  #7  
adub12valve's Avatar
Thread Starter
|
Diesel Enthusiast
Joined: Dec 2008
Posts: 181
Likes: 3
From: prineville
Default

i think we might have, could that be it?
 
Reply
Old Dec 9, 2009 | 12:18 PM
  #8  
wildbill's Avatar
BOMBARDIER
Joined: Jul 2007
Posts: 12,809
Likes: 668
From: Billlings, MT
Default

Check and see if there is any suction at the vac pump.
 
Reply
Old Dec 9, 2009 | 04:29 PM
  #9  
blkjack's Avatar
Diesel Bomber
Joined: Nov 2009
Posts: 1,058
Likes: 53
From: Sanford, Colorado
Default

Originally Posted by wildbill
Check all vac lines to. Got one disconnected/rotted somewhere.
X2 Yea check the vac lines
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
carid
Diesel Bombers Sponsors
0
May 27, 2015 07:01 AM
robbyS
5.9 Liter CR Dodge Cummins 03-07
3
Apr 16, 2015 02:22 PM
moneypitk5
Chevy/GMC 6.2L and 6.5L
3
Feb 12, 2015 11:01 AM
petew
Chevy/GMC 6.2L and 6.5L
5
Oct 25, 2014 09:29 PM


Thread Tools
Search this Thread

All times are GMT -5. The time now is 05:39 AM.