2017–2022 Honda CR-V
By Ray Delgado ✓ Certified Mechanic · Published Sep 21, 2026 · Updated Oct 22, 2026
Save $220 by doing it yourself! Shop cost: $275
Quick answer: Coolant Flush on a 2017–2022 Honda CR-V is rated Moderate and takes about 60-120 minutes. You'll need 3 tools for this job, and parts cost about $55. This guide walks you through the full job step by step, including the mistakes to avoid.
| Part Name | Part Number | Price | Buy |
|---|---|---|---|
| Vehicle-specific engine coolant/antifreeze | — | $55.00 |
About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.
💡 Pro tip: Order all parts at once to save on shipping
Follow these steps carefully
Verify the coolant type, mixture, capacity, and bleed procedure for your engine first. Park level, set the brake, switch off the ignition, let the system cool completely, and remove any underbody shield blocking the drain.
Place a large pan under the radiator drain or lower hose. Remove the cap only once the system is cold, open the drain carefully, and collect every drop. Drain the block too if the design requires it.
I wait for stone cold before cracking the cap — pressure makes a hot drain a scalding geyser. Large pan underneath, every drop collected, and I wipe each spill because coolant kills pets that taste it.
Inspect the drain plug, hose ends, radiator, reservoir, thermostat housing, and clamps for cracks or leaks. Refit the drain plug or hose with its seal in good condition — and don't overtighten plastic fittings.
Plastic petcocks past 100k miles get hand-tightened only from me — they crack if you look at them wrong. I check for weeping after the first heat cycle; a cracked petcock means draining everything again.
Flush with water only if the service procedure calls for it: close the drain, fill with the specified water, run the engine long enough to circulate with the heater on, cool, and drain again. No chemical flush products unless the manufacturer permits them.
Fill through the radiator, expansion tank, or designated fill point with the correct premix or accurately mixed concentrate. Use a spill-free funnel or vacuum fill tool, and stop at the specified cold level.
Follow the engine-specific bleed points and procedure. Set the heater as instructed and watch the level as the thermostat opens. Never lean over an open filler neck while the engine is hot or pressurized.
I bleed at the engine-specific points, heater set as instructed, watching the level as the thermostat opens. My upper-hose squeeze burps stubborn air pockets, and I keep my face clear of the hot filler neck.
After the engine cools fully, recheck the reservoir or radiator level and inspect every drain and hose connection. Top up only with matching coolant. Confirm normal cabin heat and gauge behavior on a short drive, then recheck for leaks.
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
2017–2022
2017–2022
2017–2022
2017–2022
2017–2022
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