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I have a 2011 peterbilt with c15 cat it's losing coolant
I have a 2011 peterbilt with c15 cat it's losing coolant about 1 gallon per 100 miles it has no leaks it's not getting in the oil and not smoking … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2006 Freightliner Columbia with a c15 cat engine
Good afternoon I have a 2006 Freightliner Columbia with a c15 cat engine (see. # MXS5497) Unit is loosing coolant while under a load. Customer claims he did and in-frame on tis unit then they tore it … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Coolant leaking but not overheating. Kw 700 2012. Just keep
coolant leaking but not overheating. JA: What's the make/model/year of your truck? Engine type? Customer: kw(###) ###-####JA: Are you fixing your truck yourself? What have you tried so far? Customer: … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
What does smoke out the crankcase breather mean! And my
Hey what does white smoke out the crankcase breather mean ! And my 50/50 reservoir keeps disappearing at night then reappearing when I open the cap… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Got a series 60 engine that was fully rebuilt last year
Got a series 60 engine that was fully rebuilt last year 2015. I took the block to machine shop and they cut the counter bores and shaved the deck. A few months later after assembling engine and pullin… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Second opinion] - my son told me his truck was over heating
Second opinion] - hi dan my son told me his truck was over heating it 250deg I have not taken it down the road my self but running it in the yard I can only get it to 152deg out put wha bothers me is … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
I have a 2002 fuso fh 4 speed automatic. Is it capable of
I have a 2002 fuso fh 4 speed automatic. Is it capable of driving long distance with out over heating? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Got a cat 550 temp on cat id is 248 going down road but not
got a cat 550 temp on cat id is 248 going down road but not overheating turn off the cruse and hold down the resume get code 27 but when I'm sitting I get code 55 and the temp on cat id 187 idling whe… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a Volvo D12D. My coolant is being pushed from main
Customer: I have a Volvo D12D. My coolant is being pushed from main tank over to overflow tank? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
2005 pete 379 with c15 acert will not stay warm ,changed
2005 pete 379 with c15 acert will not stay warm ,changed thermostats and seals when it in the upper 20,s the oil temp will run less than 150 and water temp about 160. When I stop the water temp will r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have this isx 15 CM 871 at my shop it has a problem that
hello sir i have this isx 15 CM 871 at my shop it has a problem that while uphill the engine oil temp temperature rises to 250 F while the coolant temp is normal in 190-210 F what could cause this pro… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
130 satisfied customers
Answers from Two Experts requested: 2008 Fleetwood Discovery motorhome with Cummins 6.3ISL
2008 Fleetwood Discovery motorhome with Cummins 6.3ISL; has about 20k miles now. Have pulled a 6T trailer for years without any trouble relative to coolant temp, all of a sudden any hill I have to cli… read more
don
don
fleet superintendent
Vocational, Technical or Trade Scho
12 satisfied customers
I have a 2008 peterbuilt 387 with cummins isx engine and it
I have a 2008 peterbuilt 387 with cummins isx engine and it runs hot sometimes when it does fuel millage goes down what could be the problem?… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
4 satisfied customers
Hey, I have a 2008 kw with a isx. Has DPF and EGR. I have
Hey, I have a 2008 kw with a isx. Has DPF and EGR. I have not done any deletes on it (don't really think its worth it). Engine runs great, normal power, never overheats, no excess pressure in coolant … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
What should the coolant temp bein a 2004 Pete with a C-15 when
What should the coolant temp bein a 2004 Pete with a C-15 when driving down the road without a load?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
chev 2500 hd: I have a 2007 chev 2500 6.6 duramax with 320000
I have a 2007 chev 2500 6.6 duramax with 320'000 I am having a problem with the engine overheating when I am pulling a trailer. I tow trailers 40'000 mi a year. this started right after I had a new ai… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
19 satisfied customers
Hello I have a Detroit diesel S60 14L EGR engine. I need to
Hello I have a Detroit diesel S60 14L EGR engine. I need to know what the engine fan on and off temps are also does ECM relie on Coolant temp or engine oil temp. to engauge the fan.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
I have a series 60, 2002 egr equip. Pierce fire engine. ddec
Hi, I have a series 60, 2002 egr equip. Pierce fire engine. ddec 5. it has an over heat condition. Situation, idle is fine, fan clutch (air) works with override controls via pump engage and hi-idle sw… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
784 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

2,803 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

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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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