Forum Discussion

catkins's avatar
catkins
Explorer II
Aug 05, 2018

Driving diesel in very HOT temps - 103+ and long grades

OK - new to me issue of excessive temps in the NW and needing to drive from Seattle to Spokane over Snoqualmie Pass and through the Vantage grade.(lots of long grades up and down) Temps are expected...
Class A
longdrive's avatar
longdrive
Explorer
Aug 06, 2018
Just drove the southwest late July with same heating issues. 350 Cat. Spray off your radiator before you leave. Mine worked best at about 2,000 rpm, keep down shifting. I had to hit 1st gear a few times, about 20 mph, turn your flashers on and drive slow. To cool down if needed pull over and rev the engine and your temp will come down then.

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