Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Fresh rebuild complete, pistons, liners, head injectors
Ok... fresh rebuild complete, pistons, liners, head injectors ect... runs great, no miss, doesnt over heat, 190 degrees. Bob tailing no issues. Pulling 60 lbs steel coil no problems, 100 lbs load it p… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
2007 Cat C15 Acert, 1.2 million miles. I have an exhaust
2007 Cat C15 Acert, 1.2 million miles. I have an exhaust gasket leaking and there is oil/wetness underneath the leaking exhaust port. Is this normal? It does not seem to use much oil, maybe 1 gallon e… read more
Curtis B.
Curtis B.
Technician
Associate Degree
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On a 2005 cat c15 acert engine the vva were deleted in the
On a 2005 cat c15 acert engine the vva were deleted in the new program can they be removed… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
I have a 2009 peterbilt 386 with a cat c-15 adem a4 /cert
I have a 2009 peterbilt 386 with a cat c-15 adem a4 /cert epa07 engine that when pulling a heavy load around 75,000 to 80,000 lbs that the coolant seems to blow out of coolant reservoir when under a h… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
Have a C15 and once it gets up to operating temp 180 it
Have a C15 and once it gets up to operating temp 180 it starts blowing antifreeze out of the overflow but if I run with engine fan on all the time and keep temp down it doesn't do it. Looking for advi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
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
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2006 Cat C15 ACERT. 2 gallons of coolant in 365 miles. Oil
2006 Cat C15 ACERT. 2 gallons of coolant in 365 miles. Oil looks ok on the dip stick but this is on the front axle under the breather tube. Can't find any visible leaks on the coolant system. Any idea… read more
FIX-IT
FIX-IT
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I have a c15 acert and a 2001 c15 single turbo in a Pete can
I have a c15 acert and a 2001 c15 single turbo in a Pete can I swap them and what problems would I have… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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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
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C13 cat will blow coolant out of radiator cap coolant tank
C13 cat will blow coolant out of radiator cap coolant tank during first 5 miles of each day... Changed cap but problem still there, blows about a gallon out each day and I refill to sight glass level … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
We 2004 kenworth loosing coolant it has and 4 engine recently
We 2004 kenworth loosing coolant it has and 4 engine recently replaced any suggestions as to why it is losing coolant… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
I have a 2007 Peterbilt 379 with a C15 engine that is losing
I have a 2007 Peterbilt 379 with a C15 engine that is losing a lot of antifreeze but does not have any visible leaks other than the drain tube from the reservoir. It is building high pressure, but is … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 2008 peterbilt with caterpillar c13 engine, motor
I have a 2008 peterbilt with caterpillar c13 engine, motor runs good, but it dumps 2-3 gallons of antifreeze from the overflow. i am guessing it builds up too much pressure or its getting air from som… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
I have a '07 cummins 400 isx. It builds up 25 lbs. plus pressure
I have a '07 cummins 400 isx. It builds up 25 lbs. plus pressure in the radiator reservoir and it blows antifreeze out. I replaced the air compressor and egr cooler and it still does the same thing. T… read more
Curtis B.
Curtis B.
Technician
Associate Degree
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I have cat 500 my coolant is blowing out oil temperature is
I have cat 500 my coolant is blowing out oil temperature is 200 water temperature is 190 when truck runs idle coolant is not blow out but when run on road it is blowing out each 7or 8 hours red engine… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
Have a 2007 western star/C-15 accert 550hp.Did a inframe in
Have a 2007 western star/C-15 accert 550hp.Did a inframe in july 2013,did not replace head.In december started blowing antifreeze out the rad cap,had a lot of preaure behind it.Back to shop,new head a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
I HAVE C-13 ACERT WITH PUSHING COOLANT OUT OF THE OVERFLOW.
I HAVE C-13 ACERT WITH PUSHING COOLANT OUT OF THE OVERFLOW. THE THERMOSTAT,AND WATERPUMP HAS BEEN REPLACED ,ALSO BYPASSED AIR COMPRESSOR UNIT IS STILL BUILDING UP PRESSURE… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
I have a 2003 freightliner with a cat c15 in it it seems to
I have a 2003 freightliner with a cat c15 in it it seems to go thru about 2 gallons of antifreeze a week in the winter but uses none in the summer. We have pressure tested the cooling system and it se… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,216 satisfied customers
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