Tranny shifts different when cold
11-22-2001, 09:25 AM
#1
Suzuka Master
Thread Starter
Tranny shifts different when cold
Does any of you notice that car shifts little harder when it's cold outside, and you just started it?
As soon as car completly warms up, shifts become smoother.
Does any one else feel the difference? Why this happens, because tranny fluid is cold ??
As soon as car completly warms up, shifts become smoother.
Does any one else feel the difference? Why this happens, because tranny fluid is cold ??
11-22-2001, 09:27 AM
#2
Suzuka Master
Join Date: Jan 2001
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Re: Tranny shifts different when cold
Originally posted by russianDude
Does any of you notice that car shifts little harder when it's cold outside, and you just started it?
As soon as car completly warms up, shifts become smoother.
Does any one else feel the difference? Why this happens, because tranny fluid is cold ??
Does any of you notice that car shifts little harder when it's cold outside, and you just started it?
As soon as car completly warms up, shifts become smoother.
Does any one else feel the difference? Why this happens, because tranny fluid is cold ??
11-22-2001, 10:22 AM
#5
Cajun Gumbo Man
I've always had a slight vibration in the car until I drive a mile or two, when the car is cold. I am convienced that it is the tranny fluid warming up. Makes any sense ?
11-22-2001, 10:39 AM
#6
www.drippinwet.com
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more than likely its tire flat spotting, happens to all the amg benz's anything with sticky tires develop flat spots until the tire gets warmed up
11-22-2001, 10:44 AM
#7
Cajun Gumbo Man
Acura Service:
I just changed my tires to Bridgestone S03's. I check today when I first drive off and let you know. I doubt that our OEM's are remotely sticky ! I ruled that thought out some time ago, but I'll see this morning for my first S03 drive.......
I just changed my tires to Bridgestone S03's. I check today when I first drive off and let you know. I doubt that our OEM's are remotely sticky ! I ruled that thought out some time ago, but I'll see this morning for my first S03 drive.......
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11-22-2001, 10:54 AM
#8
I am #76,361,211,935
I definately notice a difference in shifting when the tranny is cold. Even though the engine is up to temp - if I haven't been "rolling" long enuff the shifts are harsh. What's starting to concern me is that having owned my CL for 15months, I don't recall the transmission feeling this harsh last fall/winter 
I'm starting to see (its only happend 3 or 4 times) odd behaviour in D4. I usually drive around the city in D4 but move to D5 when on the freeway. Under moderate but constant acceleration, like an onramp, I've noticed the shift from 3-4 is more like 3-N-4 where the engine rev's high for 1/2 to 1 second then "slams" into 4. I haven't noticed this happen in D5 though.
I'm starting to see (its only happend 3 or 4 times) odd behaviour in D4. I usually drive around the city in D4 but move to D5 when on the freeway. Under moderate but constant acceleration, like an onramp, I've noticed the shift from 3-4 is more like 3-N-4 where the engine rev's high for 1/2 to 1 second then "slams" into 4. I haven't noticed this happen in D5 though.
11-22-2001, 11:10 AM
#9
Originally posted by Fabvsix
I've always had a slight vibration in the car until I drive a mile or two, when the car is cold. I am convienced that it is the tranny fluid warming up. Makes any sense ?
I've always had a slight vibration in the car until I drive a mile or two, when the car is cold. I am convienced that it is the tranny fluid warming up. Makes any sense ?
About tranny shifting differently: RTFM - tranny shifts at slightly higher rpms to help warm the engine up. Plus laws of nature dictate the tranny fluid is thicker when cold.
11-22-2001, 11:13 PM
#11
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My trannie actually slips a little when it's colder. I think I'm going to have to have it replaced eventually (DAMNIT!). It doesn't just lurch into gear or shift harder (although it does that too when cold).
The only way I can think to describe it is this. Imagine if I had a manual trannie and I put the clutch in to shift and I didn't take my foot of the accelerator while moving the gear shift. The engine revs way high in between gears. Usually only between 2nd and 3rd, and usually only when it's not warmed up. It has done it a few times now when I am entering onto the Highway.
Is this one of the symptoms that other people described who had to have their trannies replaced?
The only way I can think to describe it is this. Imagine if I had a manual trannie and I put the clutch in to shift and I didn't take my foot of the accelerator while moving the gear shift. The engine revs way high in between gears. Usually only between 2nd and 3rd, and usually only when it's not warmed up. It has done it a few times now when I am entering onto the Highway.
Is this one of the symptoms that other people described who had to have their trannies replaced?
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