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Related Medium and Heavy Trucks Questions
C15 fuel tanks not equalizing, I changed both the return
C15 fuel tanks not equalizing, I changed both the return splitter and the draw splitter and still no equalization. This started when I noticed a leak by the fuel transfer pump....could that be the pro… read more
NicholasM1019
NicholasM1019
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Vocational, Technical or Trade School
10 satisfied customers
1999 PETERBILT 379 WITH A DETROIT 12.7. OPENED THE FUEL
1999 PETERBILT 379 WITH A DETROIT 12.7. OPENED THE FUEL WATER SEPARATOR TO DRAIN THE WATER AND ENDED UP WITH AIR IN THE LINES. TRUCK WONT START AGAIN. HOW CAN I PRIME THE FUEL SYSTEM ON THIS ENGINE SI… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
10 satisfied customers
2005 Peterbilt 379. What would cause my fuel be forced into
2005 Peterbilt 379. What would cause my fuel be forced into the passenger tank to the point that it is over full but the driver side tank is empty. When this happens the truck runs out of fuel because… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
New truck, I have 3000 miles on it, first time i drove it
new truck, I have 3000 miles on it, first time i drove it all the fuel transfered to pass tank and started pouring fuel out the vent and fuel cap, vents and lines are clear … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I am having the same problem with my fuel tanks not
I am having the same problem with my fuel tanks not leveling. The passenger side would not go down. My mechanic replaced all three fuel lines and the fuel splitter valve and now the driver side will n… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
95 379... fuel not returning to left side tank. Pumps it all
95 379... fuel not returning to left side tank. Pumps it all to the right side fairly quick … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
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95 W900L with 3406E Cat, drawing fuel from right tank only
95 W900L with 3406E Cat, drawing fuel from right tank only and seems to only return to left tank. New splitter valve and 4 new fuel lines. Vents are working and caps are new. … read more
Eddy
Eddy
HD Truck Tech
GED
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The abs relay valve is leaking air out the exhaust all the
The abs relay valve is leaking air out the exhaust all the time with the brakes set and released whats out the valve or can it be something else … read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
205 satisfied customers
One side diesel tank is gets empty while the other tank
One side diesel tank is gets empty while the other tank still has 3/4 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Why does my fuel tanks level empty different on my 2002
Why does my fuel tanks level empty different on my 2002 Peterbilt 379 for example one is still half full one the other side is empty… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
15,420 satisfied customers
1999 Peterbilt 379 with cat 3406e died while driving on
1999 Peterbilt 379 with cat 3406e died while driving on interstate. Driver's fuel tank was empty, seems like it ran out of fuel. Put 20 gallons of diesel & tried to crank but wouldn't start. I am on t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Cat man! I have a 1996 peterbilt 379 with a 3406E, serial#
hello cat man! I have a 1996 peterbilt 379 with a 3406E, serial# ***** i'm looking at a 1999 3406E serial# ***** in a Volvo, both are original to the trucks, my question is can the Volvo motor be put … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e 40 pin. What do I need for the cab. I have the harness from the ecm to the firewall from a donor truck. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
3406e, I was driving along truck was running fine. Full of
3406e, I was driving along truck was running fine. Full of fuel,about 90 miles into trip, engine started to sputter, got off road, checked water seperator, little water came out. Took filters off both… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2011 cascadia DD15 Keep having the same problem multiple
2011 cascadia DD15 Keep having the same problem multiple shops have not fixed. Fuel System one tank will drain the other overfill - pressure will become so great as to cause the components to break an… read more
Roy Belding
Roy Belding
7,602 satisfied customers
I have a 3406e cat draining fuel off of primary fuel filter
I have a 3406e cat draining fuel off of primary fuel filter have replaced fuel pump and check valve and primer pump. Secondary filer and head still hold pressure.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a peterbilt truck with a 3406e engine. I changed a fuel
Have a peterbilt truck with a 3406e engine. I changed a fuel tank and the truck ran for about 5 minutes then it quit and we cannot get it started.. The new tank was empty when we started it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
My boss has a 1996 379 peterbilt with a 3406 E cat. Truck has
My boss has a 1996 379 peterbilt with a 3406 E cat. Truck has a 13 speed with 3:55 rears. The truck set for 2 years. He has a lot of $ tied up in it. The problem is they had the parameters changed in … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

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Chris (aka-Moose)

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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