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DIY Changing tranny oil on manual honda civic

Old 31-Mar-2009, 11:12 PM
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DIY Changing tranny oil on manual honda civic

This write up was created to show an easy way of changing your manual transmission fluid. This writeup was done on a 1999 Civic EX, D16Y8 engine with manual transmission.

I also did this writeup because many people never change the manual transmission fluid. I know my transmission fluid was probbaly never changed because the transmission fluid change before the one i just did for this writeup, the fluid came out black, like motor oil. This is an easy job and important job to be done to your car to keep it in top shape.


Make sure the car is on a flat surface. I just pulled my car to the end of my garage where it drops down a little bit at the edge so its easier to get under while keeping the car on a flat surface. This level surface is needed for proper drainage and filling.

Materials Needed:
1.) 2 Bottles of Honda Manual Transmission Fluid (MTF)
2.) 17mm wrench
3.) 3/8" Ratchet
4.) General Purpose Funnel
5.) Large size of clear tubing
6.) 3/8" Torque Wrench(optional)
7.) Two new washers for the Drain and the Fill bolt.


First things first, you may have to take the splash guard off to get to the side of the transmission. This is done by removing the plastic screws inside the fender and some bolts that are under the front lip of the car.


This picture is showing the side of the transmission that is facing the passenger side wheel.


This picture shows the two bolts that you will be working with: 1.) The Filling bolt and 2.) The drain bolt.


The first bolt that can be taken off is shown in the picture which is the Filling bolt. This is done with a 17mm wrench. Turn the bolt counter-clockwise just to loosen it. After the bolt is loose, the bolt should continued to be turned counter-clockwise untill the bolt comes free from the transmission. As the bolt loosens, some transmission fluid may come out of the filler bolt, this is normal.


The second bolt that should be removed is the "Drain Bolt"; this is done with a bare 3/8" ratchet. As the name says, this drains all of the fluid from the transmission.
In this picture you can see the ratchets 'square' fits right into the drain bolt. Turn the bolt counterclockwise untill loose enough to turn by hand. Slowly turn the bolt by hand untill broken free from the transmission. NOTE: Make sure there is a drain pan underneath the transmission drain hole. When oil first comes out, it will shoot out away from the transmission so make sure the pan is in a place to accomidate where the oil will end up falling.


This obviously is the fluid draining from the transmission.


On the drain bolt and the filler bolt, there are washers on each. It is reccomended that you go to Honda to get a replacement washer for both before installing them back into their proper holes.

When all of the transmission fluid comes out, reinstall the drain bolt. If you have a torque wrench, tighten(turn clockwise) the bolt to 29 ft/lbs. If you do not have a torque wrench, turn the drain bolt with the 3/8" ratchet clockwise untill the bolt is fairly tight but dont turn it so much that you are straining your whole body to tighten it. The torque wrench method is reccomended.


Next we need to fill the transmission up with fluid. Lift the hood of the car up and secure it so it wont fall down. This area is where we have to look at first that is highlighted with the circle.


Looking down this area we can clearly see the transmission filler hole.


Next we need to take our funnel and attach the clear tubing to it. You can get this tubing at many home improvement stores or hardware stores. Make sure the funnel's end fits snugly into the tubing.


Next we look at the engine bay area again and drop the tubing down that area so the end of the tube reaches the fill hole. If the tube is too long when you set the funnel & tube like this, you can shorten the tube.


When the tube down in the proper position by the drain bolt, slide the very end of the tube inside the fill bolt hole like shown in the picture. Make sure the tube isnt able to easily slip out. When you have the tube in the filler hole, open both of your Honda Manual Transmission Fluid bottles and pour each bottle of fluid down the funnel one at a time. NOTE: By the end of the 2nd bottle, the fluid should be leaking out of the filler hole so be sure to have an oil pan underneath the transmission where it will leak out at. The fluid should run out by the 2nd bottle because the transmission holds 1.9 quarts, and each bottle is 1 quart = 2quarts total u are pouring into the transmission.


After you pour the 2nd bottle in, remove the tube from the filler hole and let the rest of the excess fluid drain out into the oil pan. When the fluid is done leaking out and levels off, install the filler bolt in its proper hole. If you have a torque wrench, tighten(clockwise) the 17mm filler bolt to 33 ft/lbs. If you dont have a torque wrench, tighten the 17mm filler bolt with the 17mm wrench fairly tight but not so tight you are straining your whole body. The torque wrench method is reccomended.

Be sure to dispose of the transmission fluid in a proper recycling place. Many automotive stores have dropoff points where you can recycle your used oil/fluid.


I DO NOT TAKE CREDIT FOR THIS WRITE UP; I CAME ACROSS IT AND SIMPLY THOUGHT IT WOULD BE USEFUL INFO ON THIS SITE FOR SOMEONE LOOKING TO DO A TRANNY OIL CHANGE.
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Old 01-Apr-2009, 12:36 AM
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Thanks either way
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Old 01-Apr-2009, 12:52 AM
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wicked write up. how often are you supposed to do this. because i was told that changing tranny fluid is a no no.... ???
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Old 01-Apr-2009, 01:06 AM
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nice, i drained mine but didn't put any back in
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Old 01-Apr-2009, 01:15 AM
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thats too bad, you might wanna pour some in...i meant you're not supposed to do it often.
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Old 01-Apr-2009, 09:40 AM
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Thanks for the write up!
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Old 01-Apr-2009, 10:45 AM
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Originally Posted by RadEp3 View Post
wicked write up. how often are you supposed to do this. because i was told that changing tranny fluid is a no no.... ???
check your honda manual for change intervals
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Old 01-Apr-2009, 02:51 PM
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Originally Posted by 1999blksi View Post
check your honda manual for change intervals
i wish i had a manual for it. bought the car without the manual.
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Old 01-Apr-2009, 03:40 PM
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I didn't check my manual but I think it's every 50K
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Old 01-Apr-2009, 03:57 PM
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kik *** wright up is this set up pretty much the same for all honda motors i have a b18b1
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Old 02-Apr-2009, 12:33 AM
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Sick write up. hmmm, got me thinking.

I don't think my tranni fluid has ever been changed. ****. lol
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Old 02-Apr-2009, 11:11 PM
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This is awesome, I am doing this soon and this is just perfect. Thanks so much for posting.
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Old 02-Apr-2009, 11:52 PM
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lol i use to do this at honda I don't even use the fill hole I fill it where the dipstick is I just take the dipstick out and put a funnel in there. It does the same job and it gets in there no problem. I have done this with both of my cars. My Integra and My EM Civic. No problems. I change the fluid after every winter. I know its recommended on my EM every 96,000 km or 36 months and to use Honda ATF Z1. Cuz my EM is Auto but its got Vtec lol Si model. But my Integra is stick and its recommended 24 mths/48,000 km Replace Transmission Fluid. So it depends on the schedule. You can get them on the Acura site and on the Honda Site. But once you change the fluid it gets dirty in about 2 months cuz it collects little metal particles. If it has shavings lol stop banging gears and ripping it.
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Old 03-Apr-2009, 12:18 AM
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The tranny has a dipstick? Where?
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Old 03-Apr-2009, 05:46 AM
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Only the autos have dipsticks.
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Old 03-Apr-2009, 10:45 AM
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Originally Posted by seanv98 View Post
Only the autos have dipsticks.
i sure hope his EM1 is not automatic... lol
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Old 06-Apr-2009, 07:29 AM
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Can't you refill the fluid from the shifter?

Or is that not possible on civics?
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Old 06-Apr-2009, 07:42 AM
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Originally Posted by Hacknik View Post
Can't you refill the fluid from the shifter?

Or is that not possible on civics?
not even close to possible on civics.

u say that in a way u noe a car in which u can fill it form the shifter....enlighten me.
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Old 06-Apr-2009, 08:02 AM
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Originally Posted by Hacknik View Post
Can't you refill the fluid from the shifter?

Or is that not possible on civics?
lol? ofcourse, take the boot off and start pooring. the new oil will eventually replace the old oil.
jking no you need to follow the write up. there is no other way. srr
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Old 06-Apr-2009, 08:07 AM
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tranny fill hole= "here"
























shifter = "here"
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