🔧 CR-V - Transmission Fluid Drain & Refill

This service replaces a portion of your CR-V’s automatic transmission fluid by draining it from the transmission pan and refilling through the dipstick tube. A drain-and-refill is the safest DIY method and helps restore smooth shifting and transmission life.

Difficulty Level: Beginner | Estimated Time: 1-2 hours

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⚠️ Safety & Precautions

• 🛑 Work on level ground and support the CR-V with jack stands before going underneath.
• 🔥 Transmission fluid can be hot—let it cool if you just drove.
• 🧤 Wear gloves and safety glasses; ATF is slippery and messy.
• ⚙️ Do not confuse this with rear differential fluid (your 4WD has separate fluids).
• 🔋 Battery disconnect is not required.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 2-ton minimum)
• Jack stands (rated 2-ton minimum)
• Wheel chocks
• Safety glasses
• Nitrile gloves
• Drain pan (8-quart minimum)
• 3/8" drive ratchet
• 3/8" drive torque wrench (10-100 ft-lbs range)
• Funnel with long neck
• Clean shop rags
• Measuring container (at least 4 quarts)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Honda-spec automatic transmission fluid (ATF DW-1 equivalent) - Qty: 4 quarts
• Automatic transmission drain plug crush washer - Qty: 1

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📋 Before You Begin

• Park on a level surface, set the parking brake, and place wheel chocks behind the rear wheels.
• Warm the transmission slightly with a 5–10 minute drive, then shut the engine off and let things cool a few minutes. Warm fluid drains faster.
• Lift the front with a floor jack and support with jack stands at the proper lift points.
• Open the hood and locate the transmission dipstick so you know where you’ll refill.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Locate the transmission drain plug

• Slide your drain pan (8-quart minimum) under the transmission.
• Find the transmission drain plug on the transmission case (it uses a square recess).
• Use a clean shop rag to wipe dirt around the plug so none falls inside.

Step 2: Drain the old transmission fluid

• Use a 3/8" drive ratchet inserted directly into the drain plug (no socket needed) to loosen it.
• Finish unthreading by hand and let the fluid drain fully into the pan.
• Pour the drained fluid into a measuring container (at least 4 quarts) so you know how much to add back.

Step 3: Replace the crush washer and reinstall the drain plug

• Remove the old washer from the drain plug and install the new automatic transmission drain plug crush washer.
• Thread the drain plug in by hand until snug (prevents cross-threading).
• Use a 3/8" drive torque wrench to tighten: Torque to 49 Nm (36 ft-lbs).

Step 4: Refill through the dipstick tube

• Under the hood, remove the transmission dipstick and set it on a clean shop rag.
• Insert a funnel with long neck into the dipstick tube.
• Add the same amount you measured out, using Honda-spec automatic transmission fluid (ATF DW-1 equivalent). Add slowly to avoid spills.
• Reinstall the dipstick fully.

Step 5: Circulate fluid and check the level

• Start the engine.
• With your foot on the brake, shift slowly through P-R-N-D-2-1, pausing 2–3 seconds in each position, then return to P.
• Shut the engine off and wait about 60 seconds.
• Pull the dipstick, wipe it with a clean shop rag, reinsert fully, then pull again to read the level.
• If low, add small amounts using the funnel with long neck, then recheck. Do not overfill.

Step 6: Lower the CR-V and do a final leak check

• Remove tools from under the CR-V.
• Use the floor jack (rated 2-ton minimum) to lift slightly, remove the jack stands, then lower to the ground.
• Look underneath for any fresh drips at the drain plug area.

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✅ After Repair

• Take a 10–15 minute test drive and confirm shifting feels normal (no slipping or harsh shifts).
• Park on level ground and recheck the dipstick level again using a clean shop rag.
• Inspect the drain plug area for seepage over the next day.
• If the fluid was very dark/burnt, consider doing 2 more drain-and-refills a few days apart to gradually refresh more of the fluid.

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💰 DIY vs Shop Cost

Shop Cost: $180-$320 (parts + labor)

DIY Cost: $35-$80 (parts only)

You Save: $100-$250 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1-1.5 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.