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2002 C15. 6NZ pushing coolant out of the overflow. Happened
2002 C15. 6NZ pushing coolant out of the overflow. Happened 5 months ago so I pulled head and only thing I found was a small split in head gasket fire ring on #6 cylinder. Replaced gasket and spacer p… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a c15 cat 6nz I'm getting back pressure at the
I have a c15 cat 6nz I'm getting back pressure at the coolant reservoir tank … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
2001 6nz using about 1.5 gal coolant a week.had truck to cat
2001 6nz using about 1.5 gal coolant a week.had truck to cat pressure tested over nite no pressure loss.no signs of coolant in oil from lab test..when i remove rad cap after 48 hrs of sitting still ha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Extreme pressure in coolant system. New radiator and head
Extreme pressure in coolant system. New radiator and head gasket. Still builds massive pressure within 5seconds idle time. Pushes coolant out overflow hose. Never got hot no smoke no spidering or skip… read more
Cat Man
Cat Man
Cat Engine Expert
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Coolant line to the deverter valve keep on blowing out,when
coolant line to the deverter valve keep on blowing out,when dose the deverter come on @off … read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
2012 Volvo with Cummins ISX 15 CM2250. Should coolant and
2012 Volvo with Cummins ISX 15 CM2250. Should coolant and air be coming from the small plastic line off the thermostat housing into the surge tank? I just noticed this while doing a regen with hood op… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Cat Man, I have a 2002 KW with a Cat... I can't find the ESN
Cat Man, I have a 2002 KW with a Cat... I can't find the ESN on it but I assume its a 6nz. When we start the truck after about 2 seconds with the radiator cap off coolant shoots up and out of the tank… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a 2009 peterbilt,it is wanting to build pressure in
I have a 2009 peterbilt,it is wanting to build pressure in the overflow tank.I changed the radiator cap,the hose between the radiator and reservoir is not plugged,I bypassed the precooler between the … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
C15 accert had head gasket changed ever since it pressures
C15 accert had head gasket changed ever since it pressures up and pushes coolant out the overflow tube .new rad cap also. No other leaks holds pressure build over nite. No discolouration in coolant or… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Cat c15 using coolant and pressure in the overflow
cat c15 using coolant and pressure in the overflow tank.Dealer says could be bad injector cups,wants to change them,doesnt appear to have coolant in the fuel??? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
Catman I have a 6nz cat and it seems to be pushing coolant.
catman I have a 6nz cat and it seems to be pushing coolant. I just pressure tested it and it reached 19psi. It took a while to get there so I am assuming the air compressor is not the culprit. we have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have A 2006 Kenworth with a C15 Cat engine. I am loosing a
I have A 2006 Kenworth with a C15 Cat engine. I am loosing a lot of coolant appx three gallons on a 8 hour day it seems to slowly get worse. The coolant is coming out of the hose by the rad cap I have… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Catman I hae a 6nz that we have rebuilt. The block was decked
catman I hae a 6nz that we have rebuilt. The block was decked and we did have trouble with t blowing head gaskets in past, we had a accert crank in it along with those pistons and so on. We changed it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
Cat Man we have a truck in our shop that has a MXS82507 ESN
Cat Man we have a truck in our shop that has a MXS82507 ESN but its rated at C-16 specs(###) ###-####00 what all would have had to been changed?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
Hello - I replaced one injector in my Cat C15 6nz and now it idles rough but I am still ge
Hello - I replaced one injector in my Cat C15 6nz and now it idles rough but I am still getting 25 - 30 lbs manifold pressure and power is good. Also my air compressor has a blown head gasket does tha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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catman I have an 08 cat c15 eng sn sdp04125. It is building
catman I have an 08 cat c15 eng sn sdp04125. It is building pressure in the coolant. We thought it had a leak but I just looked at it and it appears to be flowing from the cap. the engine was cool lik… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
Have a 2007 model international 9200 with a Cummins ISx. Getting
Have a 2007 model international 9200 with a Cummins ISx. Getting coolant dripping out of the blow by (crankcase ventilation) pipe. Just replaced the oil cooler and air compressor and dont know if eith… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Have a c15 6nz rebuilt 1 month ago because putting antifreeze
Have a c15 6nz rebuilt 1 month ago because putting antifreeze in base around bottom of #2 liner because o rings bad. Liner protusion good and block deck good, first rebuild. After 3 weeks starting put… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
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