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2008-2012 Honda Accord ATF Flush - Every 80k Miles

What you need

    • Caution: Injury may result if this procedure is not followed properly. Be sure to follow each step carefully and follow all warnings.

    • Every 30k miles, do a plain vanilla drain and fill. The steps in this guide are not for a vanilla drain and fill.

    • Every 80k miles, do a full flush as shown in this guide.

    • V6 Engines: Use this video. Loosen 11/16" bolt with "ATF" printed on it. Use a 10" socket extension. This allows air into the transmission as the fluid drains out later.

    • Remove fill plug washer, which may be just sitting on the transmission case. Do not drop the washer into the transmission or your car must be towed!

    • V4 and I4 Engines: Use this video. Remove the Transmission Fluid Dipstick. This allows air into the transmission as the fluid drains out later.

    • Caution! Fluid will be hot. Loosen drain plug a little and let fluid come out slowly into a bucket.

    • Open drain plug with a 3/8" socket drive

    • When mostly drained, fluid flow will decrease to a dribble. Wait until fluid has drained to unscrew the drain plug all the way and remove it.

    • Wipe metal filings and any fluid off the drain plug. Replace the drain plug and tighten to hand-tight.

    • Replace drain plug and tighten to finger tight.

    • Fill transmission from fill plug (or dipstick). Use 2.5 quarts of Honda DW-1 Automatic Transmission Fluid. Use a funnel and pour carefully to not spill fluid.

    • Replace fill plug (or dipstick).

    • Wait 15 minutes, then check transmission fluid level. This allows fluid to enter all the corners of the transmission. If needed, add last 0.5 quarts of fluid.

    • Drive the car and make sure to reach all gears. This should be about freeway speed.

    • Loosen the fill plug (or dipstick)

    • Drain the fluid following previous instructions. CAUTION: HOT FLUID.

    • Replace drain plug following previous instructions.

    • Refill transmission with a funnel and 2.5 quarts of the same fluid as before.

    • Replace fill plug (or dipstick). Wait 15 minutes. Check transmission fluid level. Add last 0.5 quarts if needed.

    • Drive the car and make sure to reach all gears. This should be about freeway speed.

    • Loosen the fill plug (or dipstick).

    • Drain the fluid following previous instructions. CAUTION: HOT FLUID.

    • Place a new crush washer on drain plug. Tighten the drain plug using a Torque Wrench to 36 ft-lb of torque.

    • Refill with a funnel and 3 quarts of the same fluid as before.

    • Replace fill plug (or dipstick).

    • Wait 15 minutes.

    • Check transmission fluid level. Top off transmission fluid if needed.

    • One day after the flush, inspect the transmission for signs of fluid leaking.

    • Check transmission fluid level. Add transmission fluid if the fluid level is a little low, using a funnel. When checking fluid level, engine and transmission should be up to normal temperature, which is reached after about 5 minutes of driving

    • Two days after the flush, inspect transmission again for signs of fluid leaking.

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ndsol

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