Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
We have a C7 with intermitted power loss. sometimes we can
We have a C7 with intermitted power loss. sometimes we can shut it down and restart and it is fine again. Sometimes it will run bad for a day the fine the next day. When it losses power the truck runs… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have 2005 cat c7 changed the fuel filters and can't get it
Hi I have 2005 cat c7 changed the fuel filters and can't get it primed … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a cat c7 acert that has a code 63 and goes into limp
I have a cat c7 acert that has a code 63 and goes into limp mode when I come to a stop and goes back out shortly after I take off and it goes back to fullpower. … read more
Cat Man
Cat Man
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I have a Cummins ISC 275HP engine in my motorhome. While
I have a Cummins ISC 275HP engine in my motorhome. While driving the amber engine light and bell came on momentarily...and the the red stop engine light also blinked on. No loss of power or anything..… read more
FIX-IT
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I have a 2001 International 4700, I purchased in and drove
I have a 2001 International 4700, I purchased in and drove it 6 hours with no problem, got it home painted it, cleaned it, started it up and all of a sudden it shut off as if I had turned it off.. I t… read more
Andy
Andy
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Vocational, Technical or Trade School
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Bought a 2005 Freightliner water truck with a CAT C7 from an
Bought a 2005 Freightliner water truck with a CAT C7 from an online auction place sight unseen. Now I know why they were selling it. When they delivered it, there was oil all underneath the chassis th… read more
Cat Man
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I have a 60 series detroit in a 2002 western star. I runs
Hello, I have a 60 series detroit in a 2002 western star. I runs fine while cruising along. Under load or when turbo boost gets over 11 lbs it acts as if it is starved for fuel. I have changed the fue… read more
Expert
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3126 cat 1998. Went on vacation. Live at about 300 ft above
3126 cat 1998. Went on vacation. Live at about 300 ft above sea level. We took the motor home to about 9000 ft. Stayed a few days. Motorhome was parked for5 days. Day 6 we took the motorhome towing ou… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have an 82 Prevost bust with an 8V71 Turbo engine. It starts
I have an 82 Prevost bust with an 8V71 Turbo engine. It starts and idles well but when you try to move the bus it acts like it is flooded or starving for fuel. I have to floor it and it gradually pick… read more
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I have a 2005 c7500 with a c7 acert. The engine starts runs
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Cat Man
Cat Man
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I am purchasing a 2006 safari motorhome with a Cat. c7 350
I am purchasing a 2006 safari motorhome with a Cat. c7 350 hp engine 13,000 miles. engine s/n ********** I have read that these engines may have poor fuel pumps that fail and take out the injectors al… read more
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Cat Man
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Vocational, Technical or Trade Scho
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I have a cat C7 with serial number KAL77164 that had a no start situation. The vehicle re
I have a cat C7 with serial number KAL77164 that had a no start situation. The vehicle reportedly stalled while driving down the road under average operating conditions. I quickly determined that the … read more
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Have a 2005 Motorhome, Freightliner Chassis, Cat C7 350 hp,
Have a 2005 Motorhome, Freightliner Chassis, Cat C7 350 hp, Allison 6 speed tranny. Within the last 300 miles I have noticed an oil leak dripping from near the oil filter area (a few spoonfuls on the … read more
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Cat C7 engine... had all 6 injectors replaced as well as HEUI
Cat C7 engine... had all 6 injectors replaced as well as HEUI pump. Only runs rough once engine gets warm.. customer states that once he shuts down engine for 30 seconds, and re-fires... runs great fo… read more
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My Motorhome is 26 thousand pounds, has a Cummings C7 350/hp...
My Motorhome is 26 thousand pounds, has a Cummings C7 350/hp... we have 22 thousand miles on it. The temperature indicator light comes on and starts beeping after about 10 minutes of driving and tells… read more
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Cat Man
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2007 c7 330 hp runs fine however after sitting for 48 hours
2007 c7 330 hp runs fine, however, after sitting for 48 hours and i do a cold start it misses and blows white smoke for 10-15 secs. No codes, replaced fuel filters, installed FASS fuel system , replac… read more
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How does unhook in discharge line on air compressor let u know
How does unhook in discharge line on air compressor let u know is compressor is pumping air in cooling system on a c15 compressor still pumps just don't charge system… read more
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Cat Man
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2005 international 9400i vin 2HSCNAPR85CO49186 I LOST OIL
2005 international 9400i vin 2HSCNAPR85CO49186 I LOST OIL PRESSURE ENGINE SHUT DOWN INSTALLED GAUGE TO SEE IF I HAD PRESSURE. I DID, SO I REPLACED OIL FILTER AND BOTH SENDING UNITS. EVEN SWITCHED GAUG… read more
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