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14 Sierra Service Help

PearlSierra
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PearlSierra Enthusiast

PearlSierra

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37 minutes ago, Sierra Dan said:

How is your coolant level? Does it stay at the fill mark or ever dip below?

Many 14 and 15 Sierra/Silverado radiators have failed due to the "Cycling Thermostat" issue where the thermostat causes the radiator to crack near the top plastic/aluminum union.

And if you still have the factory Rancho shocks, ditch them in favor of something better.

The oil lines are weak spots also. Mine were replaced under warranty for leaking.

 

My coolant normally stays pretty full I just noticed 2 days ago it has dropped a little . Which I will get it topped next week when I get my oil changed the trucks hasn't been to the dealership for service since the last oil change and rotation in September. Yeah I have the Rancho shocks I would have to look around and see what's out there that's better. 

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