Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I got a 3406E with a 208 thermostat and its been about
I got a 3406E with a 208 thermostat and its been about 80s-90s and temp has been running 205-210 and fan hasnt been kicking on till 212-213 and was wondering if that was normal or bad sending unit or … read more
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I have a 98 379 that the fan wont kick on after an inframe
I have a 98 379 that the fan wont kick on after an inframe new water pump, thermostats, new sensors. On the computer it says fan is constantly on … read more
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Peterbilt 2004 379 bxs 10888 cat c15 -problem is engine when
peterbilt 2004 379 bxs 10888 cat c15 -problem is engine when running down road at cruise, engine will cool to about 150 degrees. sit at loading dock and idle will run about 190. pull a hill will come … read more
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2005 Peterbilt 379 c15 acert cooling fan comes on at the
2005 Peterbilt 379 c15 acert cooling fan comes on at the correct temp. but noticed it will not stay on long enough to bring temp. down. shuts off fan prematurely. … read more
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2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
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I have an O7 Freightliner where is a C15 acert twin turbo at
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I have a 2003 379 c15 6nz. My oil tempos at 220 with a new
I have a 2003 379 c15 6nz. My oil tempos at 220 with a new teltek gauge and sensor. My water temp shows around 220-225 when working the motor is working hard. I thought it sounds high. Have new thermo… read more
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I have a bxs c-15 acert twin turbo that all the sudden m/t
i have a bxs c-15 acert twin turbo that all the sudden m/t started to overheat up tp 230 degrees stop making cab heat . the engine hs 560000 original miles on it , i replaced the thermostats and housi… read more
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I have a cat mbn 525 hp c15 and engine fan is not coming on
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Need some help please. I have a 2004 Kenworth T800 the c12
Need some help please. I have a 2004 Kenworth T800 the c12 that was in it dropped a valve, so I had a c15 BXS out of one of my other trucks. So talked to inland Kenworth they told me they would interc… read more
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Location of three head bolts with the screws on c15 cat engine JA:
location of three head bolts with the screws on c15 cat engine … read more
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Got a 2005 Peterbilt 378 with a C 13 cat acert truck running
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Bob ***** ***** I have an 04 pete with an acert engine is
Customer: bob ***** ***** I have an 04 pete with an acert engine is there problems with this model acert compared to newer ones ? … read more
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2004 Peterbilt 379 w/C15 acert fan will not turn on with
2004 Peterbilt 379 w/C15 acert fan will not turn on with switch in "auto". Gets up to 225-230 with no warning light or buzzer. It just started doing this about a week ago. Prior to that it kicked on a… read more
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I have a 2009 peterbilt 387 my oil temp has run hot and im
I have a 2009 peterbilt 387 my oil temp has run hot and im on the side of the road with the stop engine light on and the buzzer on . And its totally cooled off what should I do… read more
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I am working on a 379 Pete with a c15. The engine fan does
I am working on a 379 Pete with a c15. The engine fan does not engage when the engine temp rises nor does it engage with the override switch. It does cycle when the a/c is on. The cruise control is al… read more
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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
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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
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