Oil & Transmission Fluid???
This is for my 1990 Honda Accord. Do I use 5W30 or 10W30? Can I use this for my my car too (Coastal / 1 qt. Dexron III/Mercon Automatic Transmission Fluid)? My car is automatic. Thanks for the help guys.
Also, how often do you have to change your transmission fluid and how many quarts do you have to buy? |
Re: Oil & Transmission Fluid???
Originally Posted by chiaxi2002
(Post 37378159)
This is for my 1990 Honda Accord. Do I use 5W30 or 10W30? Can I use this for my my car too (Coastal / 1 qt. Dexron III/Mercon Automatic Transmission Fluid)? My car is automatic. Thanks for the help guys.
Also, how often do you have to change your transmission fluid and how many quarts do you have to buy? Your best bet would be to go with actual Honda brand auto trans. fluid. Otherise get automatic transmission fluid from your local parts store that says it is compatible with honda, or "most imports". Using the wrong fluids can seriously cause operational or reliability problems. As far as how much to use depends on what your doing. Im assuming your just doing a "drain and fill". Check your owners manual- it should say how much your transmission requires, as well as exactly which fluid type it needs, and be sure to check the dipstick to be for sure (check the dipstick with the engine/trans at operating temperature, and with the engine running and in "park"). |
Re: Oil & Transmission Fluid???
Originally Posted by AccordInTheMaking
(Post 37379379)
be sure to check the dipstick to be for sure (check the dipstick with the engine/trans at operating temperature, and with the engine running and in "park").
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Re: Oil & Transmission Fluid???
Yea I believe on certain honda automatic transmission you actually check the level with the engine off. Oh I well I suppose any oil on the stick regardless would be a good sign lol. Honda's just have to be different...
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Re: Oil & Transmission Fluid???
The other thing to keep in mind if you're changing the transmission fliud is that you only drain about 2 of the 6 quarts in the transmission (67% of the fluid is still old). To get more of the old fluid out, drain and refill it, drive it around the block, drain and refill again (this leaves about 44% of the old fluid), repeat it again (leaves about 28% of the old fluid). A transmission shop can possibly tap into the cooler lines to make a more complete change all at once.
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Re: Oil & Transmission Fluid???
Originally Posted by fleetw00d
(Post 37414157)
The other thing to keep in mind if you're changing the transmission fliud is that you only drain about 2 of the 6 quarts in the transmission (67% of the fluid is still old). To get more of the old fluid out, drain and refill it, drive it around the block, drain and refill again (this leaves about 44% of the old fluid), repeat it again (leaves about 28% of the old fluid). A transmission shop can possibly tap into the cooler lines to make a more complete change all at once.
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Re: Oil & Transmission Fluid???
Originally Posted by block131
(Post 40905354)
wtf, what do u mean that sounds so incorrect.
For a transmission fluid change you need 2.6 US quarts. When the tranny is taken apart and re-assembled you need 6.4 US quarts. (specs are for Accord 4cyl '99) edit: original numbers were imp. qts, my bad... |
Re: Oil & Transmission Fluid???
Originally Posted by block131
(Post 40905354)
wtf, what do u mean that sounds so incorrect.
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Re: Oil & Transmission Fluid???
yeah where are you getting those numbers and percentages?
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Re: Oil & Transmission Fluid???
Assuming Dannyvho has correct numbers (or remotely close) then fleetwood is correct. BTW he worked out most of the math for you in his last post. It makes sence to me... Well I dont understand why you cant get all the fluid out but trannies are pretty complex (especially autos) so I am inclined to believe it. My guess is that all of the parts trap a lot of the fluid. Maybe if you left it for a couple days or weeks all of it would slowly drain? IDK about that part. I do know that when you drain the tranny a substantial amount of fluid is left in the tranny. How much is left? As I remember there was about 2-3 quarts still in it. Anyone ever done a rear main? I have, but it was about 5-6 years ago and I dont remember how much exactly. It was enough to cause quite a mess on the ground for sure.
BTW: That was in a '89 Prelude but it cant be that much different for accords. |
Re: Oil & Transmission Fluid???
I have changed the numbers in my previous post: I had used the imp. qts figures in stead of US qts... (data comes from Honda shop manual for the MDJA 4-speed '98-'02).
A lot of automatic transmission fluid is trapped in the torque convertor so you cannot drain all the fluid. For this reason I like to use the Honda recommended ATF (Dexron II or III) to avoid mixing different types of fluid. |
Re: Oil & Transmission Fluid???
wouldn't Honda recommended be ATF-Z1? and not dex II or III
I hear these tranny's are fussy, so i only give it the honda genuine stuff, same goes for power steering on these cars... |
Re: Oil & Transmission Fluid???
what about prestone?
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Re: Oil & Transmission Fluid???
Originally Posted by nicolaselias
(Post 40931631)
wouldn't Honda recommended be ATF-Z1? and not dex II or III
I hear these tranny's are fussy, so i only give it the honda genuine stuff, same goes for power steering on these cars... For the MJDA 4-speed Dexron is mentioned as an alternative to Honda ATF-Premium. My car had Dexron so I continue using it. For the MCTA 5-speed in my 2006 Accord only Honda ATF-Z1 is mentioned. |
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