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Common 4F27E Trans Problems

This thread has some great troubleshooting information. When one of these trannys will not shift from 3rd to 4th, it will usually needs internal work. I changed one and got the same problem so I had already rebuilt the pump so went to rear section. Common problem is the OD Servo, they will wear quickly and I find a load of krud on top of them. Next the seals in the rear will degrade and the rear cover plate can loose pressure. So you can change the servo and the rear plate with the trans in the car. Servo is above the valve body so take your time and be careful. Get some trans rebuild grease to hold the accumulators up, they will fall out...then opps(they are color coded). The valve body must not be over torqued. You can get a large tin drip pan to set it on and cover it with a lint free rag. Remove the engine motor mount and trans mounts-top and bottom and drop the engine down as on to get the rear cover off. Do not let it rest on the axles and stress the axle seals. A chain hoist works well with a rated lifting strap. Harbor freight, Northren tool has them.
I usually just remove the trans now, but this can save some money if you are handy with a wrench. If you can rebuild a motor u can work on this transmission. The planetary gear sections is very strong and can be passed over on a rebuild, do all cutch packs, seals, OD servo piston, small roller bearings and rear cover. The internal seals can be replaced by making a simple throw away tool with 2 inch and 3 inch schedule 40 couplings, make a halfmoon cutout them, it will give you a small window to work in to get the retaining clip on and off. It can take some time to get them back on...a learning experience. You will need access to a small press to compress the seal spring to get the clips on. A small press can be found again at Harbor Freight ect. Ford made some upgrades but unless you find something like mangled bushings or broken internal parts, your casing and common parts should be ok for reuse. A trans rebuild manual and a quality rebuild kit are a must. Have some faith in your abilities, you can fix these transmissions. Work in a clean environment please and use the right fluid. I have 50k plus on simple not complete rebuilds. If bushings must be replaced..you can do it, but it's not an easy task and seek some help. A local machine shop can do those for you. Good luck. Use the articles here to troubleshoot first, they are a great resource.
 

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I have a question. I have a 2004 se 2.0 dohc focus. 156K. The other day i went to the gas station and when i put it reverse to leave the car made weird sound. Then it felt like it went into neutral. It was making a whining noise, that went away, but i lost all gears. No power at all going to the wheels. The car free revs in any gear. Ive talked to a few people but still no idea what happened. Really not wanting to pull the tranny. Any help is greatly appreciated. Thanks.
 

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Start small: change the transmission fluid and filter. I had a similar experience with a Toyota and that solved my issue... I had never changed the fluid or filter in 40,000 miles.
 

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Hello guys I had recently bought a 2006 Ford focus zx4 with 196k on it all high way miles. I was driving the car and out of no where it shifts out of 4th into 3rd then O/D light blinks. Then when shifting from 2-3 my trans feels like it is slipping revving high then jerking into 3rd. So I had my car towed to a trans shop they told they had pulled a code P0733 3rd gear incorrect ratio. The shop told me that the trans had to be rebuilt from 2495-2700$. They told me when then checked the fluid it smelt burnt yet I had recently replaced the fluid and filter. Is there anything you guys suggest I do before forking out all this money?
 

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You may have 2-4 issues and maybe band there. The 2nd is slipping and 4 (OD) kicks out when PCM detects slipping. If that it can be fixed for way less than that, trouble is no shop wants simple fix any longer, they can only apparently survive by lying to completely change the trans since their guys are not good enough to fix the smaller issues. Many prefer to simply switch out trans now, not even going inside them at all. Could maybe be a speed sensor too. If PCM cannot read clean sharp shaft speeds it sometimes messes up the shifts.
 

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OTE=amc49;96610]You may have 2-4 issues and maybe band there. The 2nd is slipping and 4 (OD) kicks out when PCM detects slipping. If that it can be fixed for way less than that, trouble is no shop wants simple fix any longer, they can only apparently survive by lying to completely change the trans since their guys are not good enough to fix the smaller issues. Many prefer to simply switch out trans now, not even going inside them at all. Could maybe be a speed sensor too. If PCM cannot read clean sharp shaft speeds it sometimes messes up the shifts.[/QUOTE]

Okay thanks because they want to take whole trans out and rebuild it and I can't afford that right now. So what can I suggest to them possibly because these guys seem reasonable.


Do you think replacing all the solenoids and fresh fluid would work or no?
 

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Okay thanks because they want to take whole trans out and rebuild it and I can't afford that right now. So what can I suggest to them possibly because these guys seem reasonable.


Do you think replacing all the solenoids and fresh fluid would work or no?[/QUOTE]
 

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If it is the speed sensor, that is a $25 dollar part and one bolt to remove and replace (and semi-easy access.)

Mine was doing that, but the speedo needle wouldn't move initially starting from a stop.

It's not a bad idea to start with that and go from there ...
 

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There are technically TWO speed sensors, one input and the other output, output works the speedo, the other going bad IIRC does not affect speedo but will still mess up the works. The PCM compares them to each other to calculate whether in proper gear or not and slip as in converter lockup.

The 2-4 servo can break or loosen the pin that works 2-4 band, it is pressed into the servo piston. Pull valvebody to get to it. Band can crack or break, the driver side end cover comes off to get to that. The end cover itself can have severe wear issues in it. All fixed without yanking trans completely.

Everybody wants to change solenoids unintelligently let's say, I only change the one that affects the problem, the PCM will tell you since it monitors them. Most solenoids are changed for no good reason at all. The trick buzzword parts to change there since 'everybody else does it'. The shops push it as well, easy high buck job that then usually leads to further entire trans change, the double payback gimmick there.
 

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Great info!

Had to replace the "A" solenoid in my focus today. It did seem to fix it for the first 5 miles I drove it, time will tell if this is indeed a permanent fix. It was a great write-up, helped a lot! It was shifting from 1-3 OK then from 3 up it would just hit neutral a few times trying to upshift then the computer would go into limp mode and deactivate 4th and 5th gear. Computer threw the usual Shift solenoid "A" code. Shifts occasionally seemed to be hard before the transmission warmed up and I could hear almost a screeching noise right before it would shift into second the first time you drive it when its cold. As of now it seems to shift smoother (but I have not tried it when its been very cold out yet and it might have still been a little warm from moving the car to get it on the ramps). It also would shift very hard a jerk if you let off the gas and got back onto it without going very, very slowly (such as slowing down for a right turn then giving it gas after the turn). I will try and post back more results as I get more miles on the car. Mileage is at 167,xxx right now and has never had anything done to the transmission to my knowledge.
 

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01 Focus ATX 2.0 SOHC Tranny Issue

Hey folks, I've been reading a lot of the threads and posts dealing with the automatic transmission issues associated with this car. I haven't read anything yet that matches up exactly with the symptoms mine is having so I wanted to run this by you all and see what you think.

After driving for about 50 miles today, at 60mph, out of nowhere the engine revs and acts like you put the trans. into neutral. Then if you let off the throttle, it immediately 'hooks' back up in gear or slams into gear and will pull again. Then it will repeat over an over. Once it jumps out of gear (or whatever it's doing), if you hold the throttle down it will not re-engage until you let off the throttle. I tried it with the OD off and didn't get the same results, but was nearing my destination and ran out of road, so I can't say for sure if it wouldn't do it in that configuration as well. When I came to a stop I put the shifter in 1st gear, and then accelerated but it didn't seem do be in 1st but rather 2nd gear pulling very doggy when taking off. After accelerating while still in the 1st gear position but pretty sure it took off in 2nd, it would act just like it did while cruising down the road at 60 in OD....jump out of gear and then slam back in gear once the accelerator was lifted and continue to pull until it repeated the issue over and over. I did managed to make it home and checked the trans. fluid. The level was right on the money, a nice red color/clean and did not smell burnt or rancid. The car has about 170,xxx miles on it and I did change the trans. fluid and filter about 15K miles ago. No check engine light, no code, will drive in reverse.

So....anyone got any suggestions? Lol. Thanks in advance.

When I get this resolved, I will repost back with the outcome. [thumb]
 

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'at 60mph, out of nowhere the engine revs and acts like you put the trans. into neutral.'

assuming you were in OD then 4th gear issue.

'it didn't seem do be in 1st but rather 2nd gear pulling very doggy when taking off.'
'but pretty sure it took off in 2nd, it would act just like it did while cruising down the road at 60 in OD....jump out of gear'

Sounds like 2nd gear issue.

Pursue it further, make SURE it is firmly in second and not some other gear, shift manually if you have to to determine the difference. Be sure you're in OD as well.

If convinced the issue then is in 2 and 4 only then a band issue, slipping. Can be broken servo piston, slipping band from wear (need longer bolt)or cracked, or hydraulic issue affecting band application. Possible solenoid issue too. Sounds more like load issue though from mechanical part slipping to flare up.
 

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OK folks, as promised I'm reporting back with the results of my trouble and fix.

Appears it was a bad Shift Solenoid 'B'.

Even though I did not have a MIL on I decided to go ahead and scan the OBDII anyway since I remembered I have had codes in the past that didn't illuminate the MIL. Sure enough, a P0755 code, 'Shift Solenoid B Malfunction'. So I replaced the solenoid, put everything back together and have put around 500 miles on it and have not had any other trouble so far. Ta Daaa. Lol. [thumb]
 

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Transmission issue

Been reading through these posts for a while now and have been throwing money into a 2003 focus 2.3 SE atx with 183,000 miles. Hard starts, has an occasional miss feel while driving. And in the morning when it's cold, it revs high before changing gears from 1st to second. Also, feels like a lack of power in the first couple gears. I've changed the starter, alternator, battery, coils, spark plugs with plain copper plugs, fuel pump, fuel filter, recharged the air filter, cleaned the butterfly, and purged the transmission fluid while also changing the filter. Pretty dang confused. [idea]
 

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What does your code reader say??
(And if you don't have one, it's time to blow the $20 and GET one)

we were getting a p0755 (solenoid B) when the automatic '03 started having hard shifts and fell out of gear a couple times!
My Favorite Mechanic (aka husband) said he didn't want to take time to mess with transmission issues, so I did some calling around to local shops and Ford garages. In each case, I told them what the car was, what code I got, what the translation of the code was, etc.
No one was sure what it was going to take, though everyone *was* sure it was going to take a lot of time and their "transmission guy." In each case, he wasn't available for a couple of weeks. [dunno]

Hubby limped it back to the oil patch.
In the meantime, I did some research, tripped over this thread, bought a filter/gasket/2 solenoid kit off ebay and convinced him it was only supposed to be an hour's project next time he had a day off.

So yesterday he did it.
Sure enough, it took longer to gather his tools and jack up the car than it did to actually do the fix!
It's running perfectly again.

Thanks guys, for making (and sharing!) these discoveries!
 

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What does your code reader say??
(And if you don't have one, it's time to blow the $20 and GET one)

we were getting a p0755 (solenoid B) when the automatic '03 started having hard shifts and fell out of gear a couple times!
My Favorite Mechanic (aka husband) said he didn't want to take time to mess with transmission issues, so I did some calling around to local shops and Ford garages. In each case, I told them what the car was, what code I got, what the translation of the code was, etc.
No one was sure what it was going to take, though everyone *was* sure it was going to take a lot of time and their "transmission guy." In each case, he wasn't available for a couple of weeks. [dunno]

Hubby limped it back to the oil patch.
In the meantime, I did some research, tripped over this thread, bought a filter/gasket/2 solenoid kit off ebay and convinced him it was only supposed to be an hour's project next time he had a day off.

So yesterday he did it.
Sure enough, it took longer to gather his tools and jack up the car than it did to actually do the fix!
It's running perfectly again.

Thanks guys, for making (and sharing!) these discoveries!
It didn't throw a code, so I went and did the unthinkable and took it to the dealership. $115 later and they said they couldn't duplicate, that a service bulletin for a pcm reflash came out for a similar description of the problem ( and of course didn't fix it ). So, I'm really not sure what to do besides throw a solenoid or two at it...
 

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Congrats ErinP. Replaced Solenoid A and B right? Good job.

.... So, I'm really not sure what to do besides throw a solenoid or two at it...
ATX trans issues are one problem that I fully support "throwing solenoids at it". Mostly because of the looming prices you might pay a professional shop to properly diag and fix a trans problem... and other factors too. However, your earlier post does not lead me to believe you have a trans problem that solenoid replacement might fix.

Have you created your own thread yet... where you have detailed your car symptoms and history? If not, you might get better help with your own thread.
 

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Yep. A&B.
It was only throwing a code for B, but we figured what the hey. The kit came with two so we might as well change them both out since he had it apart...

coleman, IIRC, the kit I found was $40 for two solenoids, the filter and the gasket. I suppose if you're flailing in the dark, this is a pretty cheap experiment.
 
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