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I did double check the kit: it is a NAPA universal block test that says for diesel I should get a yellow green color. I read in another blog that these radiators plug at the bottom. I am going to vinegar flush and see if it improves. Maybe I am just boiling over first before the temp gauge...

So I got a block test kit. Ran the tractor at idle for 45 minutes...block test was negative. Repeated just to make sure. Ran again after running the tractor about 2 miles.....again the block test was negative. After about 4 hours in 95 F heat running a bush hog, the tractor did not...

Thanks. That is where I thought I was headed. I just hope it is not the block.

Have a B2910HSD that overheats quite quickly. Uses coolant quickly as well but I cannot find any leaks. Have flushed the coolant system, power washed the radiator, changed all the fluids and filters. Oil is clean with no sign of a “milkshake” present. Exhaust looks normal as well with no...