well back to work since the weather is getting better but the last 2 days the truck seem to run a little warmer then before ..any ideas on why or what to check on this??? its a cummins m11 280 with a 9ll..i replaced the waer pump a year or 2 back but didnt replace the stat and thinking to try that and a new cap...also replace the surge tank a few yrs ago had a hole init....what sta would you guys recc. for this i would like to get it before i take the old 1 out..oh its a dump truck....the temp runs about in the midd. most of the time but now its about half way to the red and when empty its still over the half mark..not useing water..thanks for the help mike
truck running a little warm
Discussion in 'Trucks [ Eighteen Wheelers ]' started by earthmover, Mar 23, 2011.
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Pressure wash the radiator lately?
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now that i have not done i do spray water init with a hose from time to time but not press. and the radi. is about 3yrs old replaced it cause the factry 1 fell apart on me at work 1 day ..but thanks ill do that tomm. while im off trying to fig. out whats going on with it..mike
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mine did that last year, like kansas said,wash radiator
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I would use compressed air if you could also, from my experience air gets alot more out than just water, especially if you run in dusty conditions or haul a mixture of tree bark/sawdust like I used to, the crap that finds its way into filters/radiators is amazing...
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Sometimes a CAC leaking will do that because the engine is running a little lean and will tend to run hotter.
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whats a cac ????
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In fact with a CAC leak (charge air cooler, air to air cooler, intercooler) on a diesel it will actually run opposite of lean, rich. Since its not getting the right amount of boost pressure for the fuel this could cause it to heat up more. A rich running diesel normally will run hotter. -
That's kind'a where I was headed....Maybe I shouldn't talk on the phone and post at the same time. -
thanks guys after i typed what is a cac and posted i said maybe the charge air lol i'll look in to that as well mike
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