trans shudder - OD issue?
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trans shudder - OD issue?
I have been slowly working on the 01 e350 ( tie rod ends, ball joints, camber/caster adjusters, Heat/AC fan switch, bumpers, grill, shelves) and finally took it on a 100 or so mile trip.
The transmission worked well, shifted smoothly, until I got to about 50-60 mph. then a shudder would develop.
If I took my foot of the gas, the shudder would lessen. When I reached 70mph the shudder would disappear.
I attempted to see if it was overdrive causing the problem so I depressed the button at the end of the gear selector shaft, the "OD off" light lit but there seemed to br no difference in the shudder.
In later attempts to test the overdrive, the button switch seems 'stuck'. It does'nt pop out or go in, the 'OD off' light stays off.
Do I have 2 problems?
Is there any common issues with the OD switch malfunction?
Is there any thing I can do to eliminate the shudder? It appears at what could be the most common highway speeds.
Thanks,
Skip
The transmission worked well, shifted smoothly, until I got to about 50-60 mph. then a shudder would develop.
If I took my foot of the gas, the shudder would lessen. When I reached 70mph the shudder would disappear.
I attempted to see if it was overdrive causing the problem so I depressed the button at the end of the gear selector shaft, the "OD off" light lit but there seemed to br no difference in the shudder.
In later attempts to test the overdrive, the button switch seems 'stuck'. It does'nt pop out or go in, the 'OD off' light stays off.
Do I have 2 problems?
Is there any common issues with the OD switch malfunction?
Is there any thing I can do to eliminate the shudder? It appears at what could be the most common highway speeds.
Thanks,
Skip
Cargo Master
Joined: Dec 2003
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From: Saint Augustine, FL
Yeah, the shudder is likely a wheel out of balance or bent, or a drive shaft issue (bent or a bad u-joint).
The button is a momentary switch. If its stuck "in" then you need to either clean or replace it.
Steve
'95 Clubwagon XLT
The button is a momentary switch. If its stuck "in" then you need to either clean or replace it.
Steve
'95 Clubwagon XLT
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From: Tulsa, Ok
No its not a wheel LOL Mine does the Exact same thing When the transmission shifts into overdrive it shudders and vibrates enough to skip my cd player. on mine when i take my foot off and feather the pedal it goes away or if i turn the overdrive off. i have yet to figure it out. as far as the switch it prolly has gunk in it or something i dont think they are used every often so they dont stay in top condition. i think they just pop in might be able to take it apart or spray elecrtical cleaner in there if not replace it and it should be way easy to find, TON and TONS of ford used them, my ranger had it , my F150 had it and even my villlager had the same switch.
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I found the 5 amp fuse that supports the TCM OD switch was blown. I will replace it later today after I get 1 ( or a few from the local advance auto).
The shuddering does not seem like an out of balance conditon. It appears to co-incide with a tranny shift. It will occur at different speeds and goes away around 65-70.
Thanks,
Skip
The shuddering does not seem like an out of balance conditon. It appears to co-incide with a tranny shift. It will occur at different speeds and goes away around 65-70.
Thanks,
Skip
Cargo Master
Joined: Dec 2003
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From: Saint Augustine, FL
I have driven litterally thousands of vehicles diagnosing transmission problems. You can have the exact same symptom description be any number of problems. Yours could be an engine miss resulting from bad plug wires, a torque converter shudder, or an overdrive clutch shudder.
The key in the symptoms Skip listed is that canceling OD makes no difference. If canceling OD makes no difference, its not likely the transmission.
Steve
'95 Clubwagon XLT
The key in the symptoms Skip listed is that canceling OD makes no difference. If canceling OD makes no difference, its not likely the transmission.
Steve
'95 Clubwagon XLT
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From: Tulsa, Ok
BUT 
If his switch isnt working then he cant see if when he turns the overdrive off it still does it and im guess when he gets the fuse replaced it will stop when OD is off
If his switch isnt working then he cant see if when he turns the overdrive off it still does it and im guess when he gets the fuse replaced it will stop when OD is off
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Cargo Master
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From: Saint Augustine, FL
May be... I thought he said the switch quit working after the fact. Maybe I missread it.
Either way, a shudder in OE is just as likely to be an engine miss as a transmission/clutch shudder.
Steve
'95 Clubwagon XLT
Either way, a shudder in OE is just as likely to be an engine miss as a transmission/clutch shudder.
Steve
'95 Clubwagon XLT
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Update:
I replaced the 5A fuse, it was the OD switch problem. I set OD to off and took a quick trip on/off the interstate - reaching about 60 mph and experienced no discernable shudder. I repeated this with the OD on. Again, no discernable shudder.
Could little use contribute to the shudder and the recent trip resulted in 'freeing up' trans components?
Is it possible that my short on/off interstate trip was not long enough to truly evaluate the issue?
Thanks,
Skip
I replaced the 5A fuse, it was the OD switch problem. I set OD to off and took a quick trip on/off the interstate - reaching about 60 mph and experienced no discernable shudder. I repeated this with the OD on. Again, no discernable shudder.
Could little use contribute to the shudder and the recent trip resulted in 'freeing up' trans components?
Is it possible that my short on/off interstate trip was not long enough to truly evaluate the issue?
Thanks,
Skip
Cargo Master
Joined: Dec 2003
Posts: 2,182
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From: Saint Augustine, FL
The OD switch wouldn't effect an OD shudder. My first thought is it didn't have time to get hot enough. If its a torque converter clutch or OD clutch shudder, then the switch won't have any effect. A clutch shudder is the result of that clutch slipping. A slip would be cause by either a pressure loss or a burnt clutch.
A momentary torque converter shudder can occur on TC clutch application if the fluid is old and in need of changing. But that isn't a sustained shudder.
There is always the possibility that its an engine miss.
Steve
'95 Clubwagon XLT
A momentary torque converter shudder can occur on TC clutch application if the fluid is old and in need of changing. But that isn't a sustained shudder.
There is always the possibility that its an engine miss.
Steve
'95 Clubwagon XLT
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Well, I know the engine runs well and strong, in the 250 miles I've run since I acquired this van, there has been no engine problems (yet). It hasn,t even given a hint of a 'miss'
However, the state of the fluid is unknown and I should very well change it. I intend to do so once I get a spare moment.
My effort now is to get the van back to normal (bumpers on) and the interior outfitted with shelving.Then I can start using it rugularly
Thanks.,
Skip'
However, the state of the fluid is unknown and I should very well change it. I intend to do so once I get a spare moment.
My effort now is to get the van back to normal (bumpers on) and the interior outfitted with shelving.Then I can start using it rugularly
Thanks.,
Skip'
Cargo Master
Joined: Dec 2003
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From: Saint Augustine, FL
Originally Posted by skip34
Well, I know the engine runs well and strong, in the 250 miles I've run since I acquired this van, there has been no engine problems (yet). It hasn,t even given a hint of a 'miss'
However, the state of the fluid is unknown and I should very well change it. I intend to do so once I get a spare moment.
However, the state of the fluid is unknown and I should very well change it. I intend to do so once I get a spare moment.
The first thing to do when diagnosing a possible transmission problem is to check the fluid. Level and condition. Low could cause a shudder as could burnt or contaminated.
Steve
'95 Clubwagon XLT
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