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Coolant replacement - interval and tips


1004ron

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Other Maintenance Items1  
Every 20000 mi (32,000 km)   Replace the cabin air filter.  
Every 30000 mi (48,000 km)   Replace the engine air filter.  
At 100000 mi (160,000 km)   Change the engine coolant.2  
Every 100000 mi (160,000 km)   Replace the spark plugs.  
Inspect the accessory drive belt(s).3  
Every 150000 mi (240,000 km)   Change the automatic transmission fluid.  
Replace the accessory drive belt(s).4  
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34 minutes ago, Chipster said:

I am having the orange coolant changed out of my 2016 3.5. I wanted to get the orange stuff out and replaced with 10X Peak. My original plan was to get a "flush" as part of the plan, but after looking at the heater lines where I assume the flush T fitting would have to go I am spooked. While I can only see an obstructed view, I am concerned about the possibility of a fitting failure later in time and not being able to get to it without a lift. With this in mind and since this vehicle has low miles (< 16 K) I now am thinking about a drain and replace. What do you all think about my concerns? Comments?

 

That's a question for the 3.5L section, because of the concerns with the internal pump, but <16K miles would seem way too early.

 

I prefer to stick with the OEM coolant and changing from Orange to Yellow does not require a flush knowing that the two fluids are compatible.

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