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Old 05 Dec 2013, 10:31 am
Sky Sky is offline
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Default How to fill/change the transmission fluid on my '91 Acura Legend?

I checked the fluid and its a light red color, but the engine was cooled down when I checked it.

How do I fill it? Just get a bottle of specific transmission oil and fill it with a funnel?

I am warming up my engine to re-check right now.

How do I drain it?
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Old 05 Dec 2013, 10:46 am
Join Date: Dec 2013
Posts: 76

If it is light red, you do not have to change it. Drive it for half an hour, then stop and park on a level ground. Go through all the gears, switching every 10 secs then put in park. Open hood and take out the dipstick. Wipe it down. Put it back then take it out again and look for the level. It should be at the H or number 3 mark. if low, service it through the dipstick hole. Consult your manual for the proper fluid.

My unsolicited advice: if you are not having transmission issues or you do not see any leaks, leave the transmission alone. Repairing it will cost more than what your car is worth.
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Old 05 Dec 2013, 11:01 am
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Join Date: Nov 2013
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If you read your owners manual they should have a section on how to properly check and fill your transmission fluid for your vehicle.

To drain the fluid you need to locate the transmission pan underneath the car which there may be a drain bolt if you are fortunate, if not, you will have to remove all the bolts around the drain pan starting from one end and gradually having the fluid pour out bit by bit until you reach the end......very messy job! Also, you will need a new gasket and at that point you should change the filter too. You can go to youtube where they have this procedure for you to learn from. CAUTION: your transmission requires a certain type of fluid that will be outlined in your owners manual which you MUST use so you do not ruin your transmission which will cost you MEGA $$$$ if you decide to throw any tranny fluid in their.......Your best bet is to go to the dealer or transmission shop and have them do a drain and fill for you. Good Luck.
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Old 05 Dec 2013, 11:16 am
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I'll wager 75% of the people that mess with their tranny ATF do something wrong and cause more problems than if they would have done nothing!
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Old 05 Dec 2013, 11:33 am
Join Date: Oct 2007
Posts: 81

If you plan on servicing the transmission you'll need a 3/8 drive ratchet . Use the ratchet to remove the drain plug. Drain the fluid, install the drain plug, and fill with Authentic Honda Automatic Transmission Fluid. 3 Quarts is all you'll need. If you use Dexron Transmission fluid you may experience Harsh erratic shifting. You can't replace the filter without taking the transmission apart, and Honda/Acura recommends NOT flushing the transmission. Good luck and hope this helps.
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