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Discussion Starter · #1 ·
my diesel is 9 yr old and has just over 100,000 miles. question 1: why are both batteries suddenly showing large amounts of corrosion? and how to clean question 2 i am needing to put water in the radiator once month or so. why?
 

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Nine years old means it's at least an 05, your in the wrong section. Batteries are due, lots of electronics on these trucks assuming you have a third gen, just replace them it's time. Check around the water pump, they have a weep hole that will loose water as the pump goes bad.
 
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