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1995 peterbilt 379 engine cat 3406e, the engine fan dont
1995 peterbilt 379 engine cat 3406e, the engine fan dont work when engine is asking for, the fan works from the cab override switch, so the solenoid and harness from the switch work, need some diagram… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
I did a engine swap on a 1994 Peterbilt 379, original engine
I did a engine swap on a 1994 Peterbilt 379, original engine was a 3406b swapped to a 3406e. I'm trying to find out how to wire the engine brake and cruise control. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
Does a 2000 model 379 Pete have a 9 pin diagnostic port for
Does a 2000 model 379 Pete have a 9 pin diagnostic port for the abs system? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
442 satisfied customers
I have 1999 peterbilt engine fan wont come on automaticly.
Hi i have 1999 peterbilt engine fan wont come on automaticly … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
Installing 5ek 3406e On a 2008 kenworth t800 that has a c15
Installing 5ek 3406e On a 2008 kenworth t800 that has a c15 SDP engine … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
My engine fan will not turn on. Either with the manual
My engine fan will not turn on. Either with the manual switch or just letting the ecm do it by water temp. I've replaced the fan air solenoid and it still will not engage. Unless I cut the wires to th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
We have flashed a 5EK ECM to 550 and it will not take
We have flashed a 5EK ECM to 550 and it will not take program the interlock code. Im wondering if the previous low nox file has something to do with it? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
CATMAN cat 3406e 5EK01752 in a peterbilt engine fan will not
CATMAN cat 3406e 5EK01752 in a peterbilt engine fan will not come on when truck is on,,, truck is overheating, with key on the ENGINE FAN light comes on, in the dash panel and I have power to fan sole… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
Working on a 3406e 5ek in 1996 379 pete, eng fan running all
working on a 3406e 5ek in 1996 379 pete, eng fan running all the time, check wiring and fuses and relays all seem to b ok, on the plug that goes on the manual o/r switch in cab all the wires are hot i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
Catman, Have a problem with a 5EK not starting, not getting
Hey Catman,Have a problem with a 5EK not starting, not getting any engine speed, do not have any engine speed codes, just needing some advice Thanks… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
Working on a 1998 Peterbilt 379 with 3406E. And I cannot get
Working on a 1998 Peterbilt 379 with 3406E. And I cannot get the compressor relay to switch on to power up the compressor which is new along with new accumulator and condenser. I can power it up at fi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
The fan doesnt come on with jakes or when engine temp is hot
the fan doesnt come on with jakes or when engine temp is hot in our 1998 peterbilt 378 with a 3406e … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
Lol m working on a 1998 peterbilt that the speedometer isn't
lol m working on a 1998 peterbilt that the speedometer isn't working. Replaced sensor already. Cat et is not registering any speed either. Possibly wiring between sensor and ecm?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
I have 1996 peterbilt with a 3406e in i changed the rad,
i have 1996 peterbilt with a 3406e in i changed the rad, intercooler and harmonic balancer now i have no boost … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 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
10,252 satisfied customers
I have a 97 Pete with 3406e 5ek. The cruse control works
I have a 97 Pete with 3406e 5ek. The cruse control works until I turn on the air conditioner. It will hold for a few seconds and then quit. It will hold a fast idle with a/c on when sitting still. Any… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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
On a 98can pete with a 1lw 3406e the fan wont go off unless
On a 98can pete with a 1lw 3406e the fan wont go off unless i pull relay. I can run coing fan output driver test with et and relay switches and fan goes off. If i take relay out and run a/c the fan cy… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,252 satisfied customers
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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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