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Bxs c15 Acert not getting up to temp just had thermostats
Bxs c15 Acert not getting up to temp just had thermostats replaced and thermostat housings and seals all replaced temps are in the upper 40's low 50's here runs at about 150 to 160 down the road heat … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2015 Peterborough 389 with a Cummins isx 15. I have
I have a 2015 Peterborough 389 with a Cummins isx 15. I have coolant that has turned black like coffee and smells like exhaust. It has foam in it too. I use red 50/50 coolant. It is not oily at all.. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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We have a C15 that is not overheating but is losing about a
We have a C15 that is not overheating but is losing about a gallon of water a day. It had a negative bottle test. Replaced the air compressor but it is still losing water. Cannot find any leaks … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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2005 Peterbilt 379 c15 acert cooling fan comes on at the
2005 Peterbilt 379 c15 acert cooling fan comes on at the correct temp. but noticed it will not stay on long enough to bring temp. down. shuts off fan prematurely. … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 99 Peterbilt 379 with a CAT C 12 engine that's over
I have a 99 Peterbilt 379 with a CAT C 12 engine that's over heating. I have replaced EVERYTHING and it continues to over heat only while loaded and going up a hill. Also only during the summer when t… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Can you put acert water pump on single turbo c15. Cat
2001 Pete 379. Wondering if acert high volume pump would better cool my non acert cat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 2004 C-15 Acert Single turbo conversion Peterbilt
I have a 2004 C-15 Acert Single turbo conversion Peterbilt 379. Recently I have been getting a vibration in the truck. It is most prevalent under load and in gears 16th to 18th. Engine runs rough at R… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
I have a 2007 C-15 Acert. This was a crate block in 2016 and
I have a 2007 C-15 Acert. This was a crate long block in 2016 and had a head gasket replaced in Feb of 2017. Cat says it is now out of warranty. Go figure. Yesterday i had smoke coming from my stack a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
Peterbilt387, yr 2007. air conditioner problems. air vent is
peterbilt387, yr 2007. air conditioner problems. air vent is not cool as it should. evaporator coil freeze, compressor not recycling… read more
Andy
Andy
truck /coach technician
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I have a C-15 Cat that will blow coolant out the overflow at
I have a C-15 Cat that will blow coolant out the overflow at times and also have no heat in the cab,I have changed the thermostats and it still does it. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
Have a 2004 peterbilt 379 with CAT C 15 engine. There is a
have a 2004 peterbilt 379 with CAT C 15 engine. There is a broken wire in ECM harness shorting to ground. Having difficulty finding the other end. Need a wiring diagram for power from battery box to E… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Having problem getting water in the intake changed the
having problem getting water in the intake changed the intercooler … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
2004 Peterbilt w/C15 Acert (BXS) Okay i finally got fan
2004 Peterbilt w/C15 Acert (BXS) Okay i finally got fan situation figured out and it now cycles on @ 217 and off @206 like it should. BUT now when it gets hot (230 i believe) the buzzer comes on and "… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
GA-RP 2005 kenworth t800 log truck with c-15 twin turbo engine.
2005 kenworth t800 log truck with c-15 twin turbo engine. my problem I been haveing is my water temperature, on the flat roads it doesent come to temperature doesn't get more then 50 degres on gauge ,… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
Have c15 acert keep blowing coolant lines, replaced air
have c15 acert keep blowing coolant lines, replaced air compressor ,all new hoses, new reservoir cap, compression test builds up to 14 lbs .no coolant in oil, no fuel in coolant, not sure what else to… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
Hi, I have a 2005 379 Pete with a C-15 Acert. After I purchased
Hi, I have a 2005 379 Pete with a C-15 Acert. After I purchased the truck I noticed a minimal amount of coolant coming from the water pump weep hole. I took the truck to my mechanic and he said the pu… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
2006 Columbia with a c 13 leaks antifreeze form behind turbo
2006 Columbia with a c 13 leaks antifreeze form behind turbo somewhere cant see only leaks when engine is off it stops if you take off rad cap… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,253 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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I am ASE Master Truck Certified.

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

Jeremy

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Curtis B.

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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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