Honda guys will know...
Posted Aug 5, 2017, 5:01 PM UTC
4023
Werent these few years bad for auto trans? I almost bought a 2003 Si a couple months back but got talked out of it by a ex Honda car tech.
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03-04 Si were manual transmissions only. You missed out on a neat car.
The early Accord 4 speed automatics were meh.
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It had other issues. Aftermarket intake, bad maintenance, 180,000 miles and he had a hunch the airbags had blown before. $3500 was way to much for it, plus it had a weird noise when taking off on a hill.
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F4 auto in the accords. Hot garbage. Tore one apart, it looked like they took a 4sp manual and replaced the synchros with clutch packs for each gear and added hydraulics. No planetaries or bands, reverse was a spur gear so it sounded like a manual in reverse. Not sure if thats uncommon as i havent done a lot of car transmissions, but i blew the one in my car then two used ones within 9 months.
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, it looked like they took a 4sp manual and replaced the synchros with clutch packs for each gear and added hydraulics.
It's actually a pretty interesting story. Back when honda needed an automatic, they needed one that worked with a tiny motors and they didn't want to pay patent license fees but automatics were pretty much completely patented at the time.
They then took a manual and did what you suggested, added clutches. Honda automatics are almost all this design. The latest high gear ones though I believe are a conventional design.
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Interesting. The concept itself isnt inherently bad, but my F4 sure was. Sounds like they got it straightened out in later models, mine was an '89.
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Yeah completely backwards and halfassed. https://honda-tech.com/forums/attachments/honda-accord-1990-2002-2/485708d1501528094-inside-v6-automatic-transmission-0125081309b.jpg
It's like Vtec for your trans!
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That's the weirdest looking automatic transmission I have ever seen.
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Yep, although mine was the older 2 shaft design if i recall correctly ('89 with an F4)
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B series? Loud input shaft bearing?
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My guess was bad syncros. Apparently it's the input shaft 🤷♂️
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ISB? Yep. Every [H] trans since forever will do that between 100-150k if driven a lot.
The issue is that the pieces of the race like to clog up the oil passages. It's a full teardown, clean, and rebuild effort if you want it to last another 125+k.
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Hey thirds still there!
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Bad input shaft bearing is noise in all gears but 4th right?
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[deleted]
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do i spy a throttle body gasket on the wall?
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03 D17a2 with a very loud input bearing.
Losing my faith in this econo box, put 20k on it so far and had to throw a headgasket on it a month ago, now this....
Both are common failures and relatively easy to fix tho. Like literally fixing the input shaft bearing is less than a 4 hour job if you have a lift
Yeah you're right. I don't have a lift, but it's more of an inconvenience than anything.. hardest part was busting the lower ball joints .
My fault for not educating myself on this gen of civic.
The stamped style lower control arms are hard to break the ball joint tapper, if you max the steering, move the dust shield out of the way, you can get a good smack on the actual meat of the control arm where the ball joint goes through.
Good call. I was lazy and ended up using my puller so I didn't have to take the calipers and rotors off.
I did that on my 96 civic a few years ago. It was the first time I did transmission work.
Bought a used tranny to install while I tore my original trans down, (daily driven car) the temporary trans has just as much noise. First few miles per hour were quiet then,,,, "click hummmmmmmmmm"
I've got 225k on mine and have had to replace both - this gen of Civic wasn't their best.