Hi, I have a 98 pete with a 3406e cat. It is smoking and I found oil in the coolant. Would this be the oil cooler? Or something else. Thanks
Thank you, I didn't remember that until you mentioned it it. I will be sure to do that.
Thank you I'll make sure to check that.
Thank you, I'll find out who makes it then and do more research. Appreciate the reply.
Hi, I have a 1998 Peterbilt and just recently purchased a 1999 Great Dane Trailer. The ABS works on the truck but not on the trailer. There was...
Thanks for the reply. What do you mean an air cooler? Is it a different condensor? Where do you buy it at? Is it in front of the radiator? The...
I have a 98 pete with a 3406e cat. It has two lines going from the radiator to the trans. One of the lines started leaking antifreeze. I was told...
Thanks I really appreciate the help. I tried grounding the 86 and all it does is spark. I have the wire diagram and it is showing power going to...
I did further testing and this is what I found out. Low pressure sensor - power on both sides Jumped the low pressure sensor -...
With the key on and the truck not running should you have 12 volts from the wire on the compressor?? Or does the truck have to be running.
I have a 1998 379 pete 3406e cat. My a/c won't turn on. I checked the fuses. and the relays and everything is ok. The relay that says a/c I...
Thanks for answering. When I pull the relay out the fan goes off. And I have power from the 223 about 12volts. The ECM wire I have about 9.5....
Thanks for the diagram. When I pulled the relay out and I checked for power on the 522 that goes to the ECM I get 9.5 volts. When I disconnect...
Mr. Haney what kind of upgrades can I have done to my ECM, more power, more pull? I have a 98 pete with a 3406E cat serial # 6TS16859 i have had...
Thanks I appreciate the come back. I was checking all the grounds, I cleaned them really good. And the truck started up. I really don't know what...
It all started when my engine fan would not turn on automaticlly. I could overide it with the manual switch. I was in the dash checking fuses and...
Ok, thank for the answer
I have a 1998 379 pete with a 3406E cat. eng ser# 6TS. How can you check an ecm?
I have a 1998 379 peterbilt 3406e cat. The 3 relays the run the fan in the dash. 1st says engine power relay, on terminal 30 it gets power...