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01 dt466. Replacing a cylinder sleeve, piston ect. Currently
01 dt466. Replacing a cylinder sleeve, piston ect. Currently installing liner and measuring liner protrusion. Looks like liner protrusion is within spec but curious about installation- is it possible … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
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
10,291 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
10,291 satisfied customers
I have an 06 Cat C13 that was diagnosed as having a bad
I have an 06 Cat C13 that was diagnosed as having a bad liner (cracked or hole). It was having steam come out the blowby tube. After parked for two days there was enough coolant in #5 to hydro lock th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,291 satisfied customers
Dr. Cummins, Have a engine blowing antifreeze out the
Dr. Cummins, Have a engine blowing antifreeze out the overflow tank with the cap off and out the overflow tube with the cap on. ESN-75001393. we checked the air compressor and that didn't change anyth… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
PLEASE READ MY POST THOROUGHLY BEFORE RESPONDING AND ANSWER
Hello, PLEASE READ MY POST THOROUGHLY BEFORE RESPONDING AND ANSWER THE QUESTIONS IN YOUR FIRST REPLY!: I am a professional technician and just finished an in-frame rebuild (all new liners, pistons/rin… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a 3306 c (9TL1) cat engine in a dump truck. Head
I have a 3306 c (9TL1) cat engine in a dump truck. Head gasket blew at fire ring back in feburary replaced at that time. When I replaced I checked very thourally the liner protrusion and followed cat … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,291 satisfied customers
Cat 6nz had block redone deck been machined new cat liners
cat 6nz had block redone deck been machined new cat liners new cat deck plate but all 6 liners below deck plate block cut and new sleeves put in top for seal ring then machined my only thoughts is lin… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Cat Man I have a 3406B in the shop that has a headgasket leaking.
Cat Man I have a 3406B in the shop that has a headgasket leaking. We started measuring liner protrusion and found that all the flanges are with in spec for adjacent cyliner difference. When we put a f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,291 satisfied customers
Catman I have a couple motors we have done inframes on or
catman I have a couple motors we have done inframes on or upper ends and we seem to blow head gaskets within a year or less. We measure liner protrusion. The one is a 6nz and it is was turned up a bit… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,291 satisfied customers
Catman i have a 6nz and the coolant is pressurizing. There
catman i have a 6nz and the coolant is pressurizing. There are no typical signs of head gasket failure, no water in oil, oil in water, no external leaks, no white at exhaust joints, no hydrolocking do… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,291 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
10,291 satisfied customers
Cat Man we had a cracked head on a 6nz04751. replaced the
Cat Man we had a cracked head on a 6nz04751. replaced the head and a new head gasket kit. when we pressured it up we are getting an coolant leak at the back of the head... pulled the head off and all … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,291 satisfied customers
Good morning I have a GTA 855P3 operating in natural gas compression
Good morning I have a GTA 855P3 operating in natural gas compression application running on natural gas. Unit started burning coolant 1/2 liter in 24 hour period for a couple of months now.I have chgd… read more
Joseph Book
Joseph Book
Branch Manager
Master's Degree
31 satisfied customers
I have a caterpillar c 15 6nz that started pushing coolant
I have a caterpillar c 15 6nz that started pushing coolant out the radiator blowby tube so wepulled it apart and all 6 liners were moving,so we counterbored all 6 and shimmed them accordingly and inst… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,291 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
10,291 satisfied customers
I have a 2010 columbia with a 14 liter detroit with the
I have a 2010 columbia with a 14 liter detroit with the regeneration system. It is pushing the coolant out of the surge tank cap and oil is blowing out of the blow-by while the truck is under a load. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Hi Ive got a cat c15 6nz 28000 hrs , been great , just started
Hi I've got a cat c15 6nz 28000 hrs , been great , just started to be slower to start and a bit of pressure through to rad causing the rad to over flow , the coolant is agitated with air or combustion… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 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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