My truck has started overheating in the hills. I have only ever noticed it happening in the Pacific Northwest, where I haven’t driven really until this winter, so I’m hoping that the brutal climbs there are just too much. But I haven’t noticed many other trucks sitting on the side of the road. Once I get off the hill, my temps come down quickly. I’m not using coolant. I’m driving a 2016 Peterbilt 587 with an MX-13. Fleet spec truck I bought from Prime. I’ve never really had a problem with any hills in the east, but I haven’t been over there recently to compare my truck’s current performance. Could there be something wrong with my cooling system if it can’t handle the hills like that?
Overheating in NW Mountains
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by csmith1281, Feb 26, 2021.
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Puppage, csmith1281 and black_dog106 Thank this.
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I should probably mention that I have had a squealing belt for a while now. Yeah I know I’m douche bag and a rookie and I shouldn’t own a truck. I should roll my truck off a cliff and give all my money to a real trucker and go flip burgers. Thanks. Got that part.
Could a loose belt reduce cooling system performance?25(2)+2 and Flat Earth Trucker Thank this. -
I read in another post about how keeping the RPM range high is good to keep air in the turbo and the fan spinning. But even in the lowest gears, the engine is getting bogged down.
Do you guys know these hills? California mount Shasta area, I 5, North into Portland, north into Tacoma, east over to Reno, etc?Flat Earth Trucker and D.Tibbitt Thank this. -
Well the hills out west are alot longer pulls than out east... i always turn on the engine fan when pulling a hill... what are your temps ?...
Brettj3876 and csmith1281 Thank this. -
Brettj3876 and csmith1281 Thank this.
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How many miles on the truck? Might just need the radiator washed out
Flat Earth Trucker, Brettj3876, D.Tibbitt and 1 other person Thank this. -
Definitely make sure all the coolers up front are clear. If air can't flow through, they can't cool.
magoo68, D.Tibbitt and csmith1281 Thank this. -
last time i was out west my truck ran hot in the hills to but here in Pa its fine
csmith1281 Thanks this. -
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