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  #1  
Old 01-28-2012, 11:43 PM
dehavillanddave dehavillanddave is offline
05 Ranger, 320k. 4.0 4x4
 
Join Date: Jan 2012
Posts: 9
Default Transmission Trouble

Hi! I'll intro myself with a question/problem with my automatic tranny
Symptoms:
When I come to a stop, the tranny doesn't downshift - instead it lugs down and stalls. Acts quite trying to stop a standard, in 3rd gear, without pushing in the clutch. So now I have to shift down to 1st.
On startup, I actually need to go into reverse first and either back up a few feet, or stand on the brakes and put some torque on it. Then it will allow going into drive.
I believe it's a sensor of some sort, 'cause I can drive all day long with no problems, but only if I keep the speed down below 50 kph or so. Exceeding this speed does something that causes this problem.

Now, my buddy says that if I buy a Superchip flashpaq I can at least find out what's wrong with it, and increase fuel milage also.

Ideas and advice on the tranny and the tuner?? Thanks!
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  #2  
Old 01-28-2012, 11:44 PM
94mtx 94mtx is offline
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Default Re: Transmission Trouble

I would start off by replacing the transmission filter and fluid.
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  #3  
Old 01-28-2012, 11:48 PM
dehavillanddave dehavillanddave is offline
05 Ranger, 320k. 4.0 4x4
 
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Default Re: Transmission Trouble

I've put 100k on the poor thing since doing that :-(
So yes, good plan.
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  #4  
Old 01-28-2012, 11:54 PM
87rangerSummers 87rangerSummers is offline
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Default Re: Transmission Trouble

Quote:
Originally Posted by 94mtx View Post
I would start off by replacing the transmission filter and fluid.
definitely replace the 100k old fluid and filter, that may just solve the problem. as far as the tuner, with the transmission in proper working order it may help fuel mileage but as far as telling you what is wrong with the transmission i dont know if it can do that. i would call the company and ask, or find somebody that has one and ask them to show you what it does.
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  #5  
Old 01-29-2012, 04:03 PM
Blessed Ranger Blessed Ranger is offline
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Default Re: Transmission Trouble

Possibly a torque converter!!!!
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  #6  
Old 01-30-2012, 01:36 AM
dehavillanddave dehavillanddave is offline
05 Ranger, 320k. 4.0 4x4
 
Join Date: Jan 2012
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Default Re: Transmission Trouble

torque converter, yuk, am trying to not even think that.
A buddy at work gave me a tip, he has a pontiac car that showed exactly the same symptoms, including the mystery of working fine as long as he stayed below exactly 60 kph. He got the error code from an OB II reader, and disconnected a wire leading from the throttle body to the transmission. Everything worked fine, except his fuel economy on the highway suffered.
Our Rangers are different animals though, no old fashioned throttle body to pull mysterious wires out of.
But it must be a similiar issue.
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  #7  
Old 01-30-2012, 11:42 AM
Kick Ashe Kick Ashe is offline
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Default

My trany is giving out u seem to be have the same problems i am having my o/d light flashes i have power loss here and there and im gonna need to replace it soon. Change ur fluid it will buy u time and i suggest getting it looked by a proffesional trany shop most do free checkups
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  #8  
Old 01-30-2012, 11:56 AM
Fordzilla80 Fordzilla80 is offline
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Default Re: Transmission Trouble

O.P, is your O/D Off light flashing? How many miles do you have?

What you describe sounds a bit like a TC lockup issue. No TC unlock at stops, and problems only start when the TC locks up above 50 mph.

Does the truck run fine in the morning?

Regardless, you need to pull your transmission pan, change the filter/fluid, check the wiring to the solenoids, ohm them out if you have the ability, and then open up the old filter and see if there's any large metal particles within the filter element.

Right now I wouldn't be surprised if either your transmission wiring is messed up, your TCC solenoid is faulty, or your Torque Converter is self destructing itself.
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  #9  
Old 01-30-2012, 06:26 PM
dehavillanddave dehavillanddave is offline
05 Ranger, 320k. 4.0 4x4
 
Join Date: Jan 2012
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Default Re: Transmission Trouble

Ah yes! Torque converter is def. locked up on stops. (uness i stay below a certain speed) I'm super suspicious about the solenoid, and wish i had an OB II reader, i think a faulty solenoid will give an error code.
I can build an airplane no prob but know painfully little about automatic transmissions - don't even know where the solenoids are, or the related wiring for that matter :-(

The O/D light has never flashed, but i have been getting an engine light sporadically. The problem presents itself morning or night, hot or cold. I've been putting a lot of highway miles on the poor thing, is over 200,000 km now. about 130,000 miles.

No vehicles without wings are allowed in our shop at work, and have only a gravel driveway at home - maybe shouldn't pull the pan off here so will have to get to a tranny shop before they close, which so far is a toughy.
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  #10  
Old 07-06-2016, 01:41 PM
dehavillanddave dehavillanddave is offline
05 Ranger, 320k. 4.0 4x4
 
Join Date: Jan 2012
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Default Re: Transmission Trouble

Well. All this time later and I'm still manually shifting down. Just took it to the Canadian Tire diagnostic shop to have the codes read. No codes. They said with 300 k to just put a new tranny in. That's insane. It works fine otherwise and the fluid still looks brand new. Surely I'm not the only one with this problem.

----------

That was over 4 years ago I posted this thread. I will redefine the issue. If I keep the speed below 60 kph, no issue. Going above 60 seems to trip something, which means it will not downshift on its own. I need to pull her down into first to avoid lugging out and stalling when coming to a stop.
Also, i very often need to put some torque in reverse before going into a forward gear. Again to avoid stalling.
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  #11  
Old 07-06-2016, 01:41 PM
djfllmn djfllmn is offline
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Quote:
Originally Posted by dehavillanddave View Post
Well. All this time later and I'm still manually shifting down. Just took it to the Canadian Tire diagnostic shop to have the codes read. No codes. They said with 300 k to just put a new tranny in. That's insane. It works fine otherwise and the fluid still looks brand new. Surely I'm not the only one with this problem.
by reading your post it doesn't sound like it works fine. Pony up and take it to a trans shop or dealer to have it diagnosed by a trans pro. And who knows it might come down to needing a trans assembly
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  #12  
Old 07-06-2016, 03:25 PM
dvrich dvrich is offline
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Default Re: Transmission Trouble

Quote:
Originally Posted by djfllmn View Post
by reading your post it doesn't sound like it works fine. Pony up and take it to a trans shop or dealer to have it diagnosed by a trans pro. And who knows it might come down to needing a trans assembly
Good advice, but it will probably fall on deaf ears.
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Old 07-06-2016, 03:30 PM
djfllmn djfllmn is offline
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Probably will be another 4.5 years before we hear anything again
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  #14  
Old 07-06-2016, 03:39 PM
dvrich dvrich is offline
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Default Re: Transmission Trouble

Quote:
Originally Posted by djfllmn View Post
Probably will be another 4.5 years before we hear anything again

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  #15  
Old 07-06-2016, 04:15 PM
Tyler46 Tyler46 is offline
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Default

Quote:
Originally Posted by dehavillanddave View Post
Well. All this time later and I'm still manually shifting down. Just took it to the Canadian Tire diagnostic shop to have the codes read. No codes. They said with 300 k to just put a new tranny in. That's insane. It works fine otherwise and the fluid still looks brand new. Surely I'm not the only one with this problem. ---------- That was over 4 years ago I posted this thread. I will redefine the issue. If I keep the speed below 60 kph, no issue. Going above 60 seems to trip something, which means it will not downshift on its own. I need to pull her down into first to avoid lugging out and stalling when coming to a stop. Also, i very often need to put some torque in reverse before going into a forward gear. Again to avoid stalling.
To me it sounds like the torque converter is having a problem locking and unlocking. If you want to throw parts at it, replace your TCC solenoid and flush the fluid & new filter.

If you don't want to throw parts at it, bend over, pull down your pants and take it to a transmission shop so they can test drive it and address the issue.

I guarantee whatever issue your trans is having, its building up a lot of heat and you will roast your transmission like a Christmas ham.
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