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Engine & DrivetrainDiscussions about the engine and drivetrain of your vehicle.
This is a discussion thread titled "05 Transmission problems", within the Engine & Drivetrain forum, part of the Technical & Vehicle Assistance Forums category.
As I stated in an earlier post, I noticed that when I first start out and get on the gas and going up through the gears that, I believe, on the shift from third to fourth gear the transmission seems to disengage, for a second, and the engine RPM jumps up about 500-900 RPM , depending on how heavy my foot is on the gas or getting into traffic, then it jumps back into the proper gear and doesn't do it again. This only happens on the initial first drive after it gets cold and I never experience it again till it gets cold again, and again it's only that first time its shifting from 3rd to fourth. When it is warm, which we haven't seen lately, I didn't notice this.
Anyone else with an 05 where it's cold notice this?
I got her parked in my Mom's garage right now staying clean and dry while I drive her car to keep the battery charged, but I also think I'm doing this longer because that slipping is really unnerving and bothers me. Service said they haven't heard of anyone else saying this.
__________________ 06 Toyota Highlander Hybrid Limited (former ride - 05 Tundra Limited Double Cab, 4x4, TRD Pkg, Trailer Tow, Auto Dimming mirror, Factory Bed Liner, Running Boards, Bug Deflector, Sun roof):
Wife's Car :05 Prius - White, Option package 6, Glass Break Sensor, Mods: Auto door lock, Molded mud flaps, Cargo Net. Not much more you can get on it.
Oh by the way, "Batteries are included" with the Prius & Highlander Hybrids
Don't know if this is related to your problem but my 96 Tacoma and now my 04 Tundra both, after setting for a while in cold weather, would not shift into over drive until driving a mile or two down the road when the engine/transmission reached a certain temperature. Some kind of built in safety feature I guess.
Don't know if this is related to your problem but my 96 Tacoma and now my 04 Tundra both, after setting for a while in cold weather, would not shift into over drive until driving a mile or two down the road when the engine/transmission reached a certain temperature. Some kind of built in safety feature I guess.
It's actually a feature to warm up the trans fluid as quickly as possible through viscous friction. It's only a problem when you put an aux cooler on that's too big. Then the fluid never gets warm enough in cold weather to disable the overdrive lockout. So the trans can never get into over drive resulting in unnecessary wear.
My truck has always driven weird untill it gets warmed up. I have a really steep hill close to my house and if the truck is not warmed up it won't hardly go up this hill. I have had it "kick in" about half way up before when the motor reached the magical temperature and almost smoke the tires when it happens. I have read before that the Tundra was designed that way to protect itself while the engine is cold. I don't know about the tranny I have never noticed mine doing that. It usually shifts at lower rpm's when it is cold.
My truck has always driven weird untill it gets warmed up. I have a really steep hill close to my house and if the truck is not warmed up it won't hardly go up this hill. I have had it "kick in" about half way up before when the motor reached the magical temperature and almost smoke the tires when it happens. I have read before that the Tundra was designed that way to protect itself while the engine is cold. I don't know about the tranny I have never noticed mine doing that. It usually shifts at lower rpm's when it is cold.
My 03 never acted like this, in fact no other auto ever acted like this. It's just like you kicked into neutral, it revs up then gets back into gear. I'm sure it's not good for it with both a cold engine and transmission. I thought they would have had the bugs worked out on these, but it sounds like there are some gremlins in some of the 05's.
__________________ 06 Toyota Highlander Hybrid Limited (former ride - 05 Tundra Limited Double Cab, 4x4, TRD Pkg, Trailer Tow, Auto Dimming mirror, Factory Bed Liner, Running Boards, Bug Deflector, Sun roof):
Wife's Car :05 Prius - White, Option package 6, Glass Break Sensor, Mods: Auto door lock, Molded mud flaps, Cargo Net. Not much more you can get on it.
Oh by the way, "Batteries are included" with the Prius & Highlander Hybrids
It's probably not applicable to this problem but it used to be common practice to cover aux trans coolers during cold weather. My guess is that the manufacturers don't trust us to do that anymore. That's probably why the factory aux coolers are smaller than most aftermarket installations- a compromise that neither cools enough in hot weather or prevents super-cooling when it's really cold. Another option is to run the trans fluid through the aux cooler first so the radiator can warm it up if it's too cold.
My 05 trans doesn't do what you have described in the cold temps. Mine is kept outside always. I do notice when its really cold, the truck makes a loud pop when it first starts up. I don't know what that is about. Any other 05s out there?
I keep my '05 outside as well and have had no weird issues. It starts right up with fast idle and then after 30-45 seconds it idles down and I drive away slowly. I think the key is to take it slowly until you get up to normal temp and the heat works.
My 05 trans doesn't do what you have described in the cold temps. Mine is kept outside always. I do notice when its really cold, the truck makes a loud pop when it first starts up. I don't know what that is about. Any other 05s out there?
I do not know if this is the same thing but I have read where some people have said that their ABS makes a loud noise when the truck is first started.
Don't know if this is related to your problem but my 96 Tacoma and now my 04 Tundra both, after setting for a while in cold weather, would not shift into over drive until driving a mile or two down the road when the engine/transmission reached a certain temperature. Some kind of built in safety feature I guess.
This is normal. Designed into the vehicle. My wife's Dodge truck does the same thing. It's annoying to me!
I do not know if this is the same thing but I have read where some people have said that their ABS makes a loud noise when the truck is first started.
Thanks Mitchr, yeah I am familiar with the ABS noise, this isn't it. It happens exactly when I turn the key over and the engine starts. The motor makes a loud pop then kicks into high idle. Only happens when its REAL cold (10 degrees and below). Plus I don't want to heist Bob259's thread on 05 trans problems so....I'll get the subject back on topic.
I don't notice anything like that on my 05 Tundra. Seems to shift normally in colder weather. If anything I might say that it sometimes seems like it stays in a certain gear a little longer than normal when it is cold but it could just be my imaginition
I don't notice anything like that on my 05 Tundra. Seems to shift normally in colder weather. If anything I might say that it sometimes seems like it stays in a certain gear a little longer than normal when it is cold but it could just be my imaginition
Looking more and more like I have a strange problem with mine.....
__________________ 06 Toyota Highlander Hybrid Limited (former ride - 05 Tundra Limited Double Cab, 4x4, TRD Pkg, Trailer Tow, Auto Dimming mirror, Factory Bed Liner, Running Boards, Bug Deflector, Sun roof):
Wife's Car :05 Prius - White, Option package 6, Glass Break Sensor, Mods: Auto door lock, Molded mud flaps, Cargo Net. Not much more you can get on it.
Oh by the way, "Batteries are included" with the Prius & Highlander Hybrids
Still having strange problems with my 05 transmission when cold, and now sometimes when warm. The factory rep says the cold slipping "is normal" Ya right. Seems no one else's transmission on the board slips going into 4th gear when cold I said, they said "well it's normal". I noticed it today and I seem to notice it hunting a little when driving now. Maybe I'll have to wait till it breaks totally before they'll do anything.
This may also be why my mileage varies so much (between 13.5 and 16.5).
May just have to trade on a new Highlander Hybrid.
__________________ 06 Toyota Highlander Hybrid Limited (former ride - 05 Tundra Limited Double Cab, 4x4, TRD Pkg, Trailer Tow, Auto Dimming mirror, Factory Bed Liner, Running Boards, Bug Deflector, Sun roof):
Wife's Car :05 Prius - White, Option package 6, Glass Break Sensor, Mods: Auto door lock, Molded mud flaps, Cargo Net. Not much more you can get on it.
Oh by the way, "Batteries are included" with the Prius & Highlander Hybrids
Mine does that somtimes, regardless of temp. sometimes when shifting from 3rd to 4th, or 4th to 5th - the tach will go up a few hundred RPM during the shift.
I don't know why, it also seems to stick in first gear in the morning every once in a while. It d
05 Transmission problems
, depending on how heavy my foot is on the gas or getting into traffic, then it jumps back into the proper gear and doesn't do it again. This only happens on the initial first drive after it gets cold and I never experience it again till it gets cold again, and again it's only that first time its shifting from 3rd to fourth. When it is warm, which we haven't seen lately, I didn't notice this.
Ya right. Seems no one else's transmission on the board slips going into 4th gear when cold I said, they said "well it's normal". I noticed it today and I seem to notice it hunting a little when driving now. Maybe I'll have to wait till it breaks totally before they'll do anything.