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Drain Engine Coolant

4:17
23:42
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At 4:17 in

Fixing P0128 on My 2017 Jeep Wrangler — EASY Thermostat Replacement!

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What happens here

Before removing the thermostat, the engine coolant must be drained. Locate the radiator drain valve, typically at the bottom of the radiator on the passenger side. You may need to remove a plastic splash guard from underneath the vehicle to access it. Place a suitable container, such as a large bucket, underneath the drain to collect the coolant. Turn the drain valve counter-clockwise to open it and allow the coolant to flow out. Additionally, open the radiator cap and the coolant reservoir cap to allow air in and facilitate faster draining. Once the coolant flow significantly slows or stops, you can proceed to the next step. Ensure the engine is cool before draining to avoid burns.

Goal: Safely drain the engine coolant from the radiator.

Tools and materials

  • Coolant Drain Bucket/Pan — Collecting drained engine coolant
  • Pliers — Removing plastic clips from the splash guard

What they say

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guard off. You got three clips and they're like the plastic clips where you just get a plier in there and uh peel up on these and they pop out. You got like one, two, three. I only have three. And then four, five of them. And then you can get right in this crash bar. Right in this crash car. My light. Right in the crash bar here. You can reach that valve in there. See the liquid of the coolant coming out of there? So, see if I can get some better lighting for you. So, this valve right Oh, not wires. So, this valve right here, turn it counterclockwise if you're looking at it, and it'll piss out all your coolant. make sure you open your cap to get some air flow, physics or science, whatever. So, I'm going to let that drain for a little bit, probably drink a beer, and then I'm going to let it get below wherever I got to let it get below. Yeah. See, you can already hear it. It's getting pretty low already. Then we're going to pop this one off. Pop this one off. So, I'm going to let that drain for a little bit and we'll come back. All right. Now, we got to get

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