Transmission Temps
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Transmission Temps
To make a long story short. My truck sat at the dealership for 4 weeks with 4900 miles on the clock due to a noise in the transmission? I dont know what part was the problem because I dont think they ever found exactly which one was making the odd noise and just put all new guts in it? Now to my new problem, my rebuilt trans is running much hotter then the "broken" one. It does not take much to get it to 235F loaded with only 10K and I often see it above 200 empty. The old trans never broke 205 loaded and ran about 189-190 unloaded.
What trans temps are you guys seeing unloaded as well as loaded?
What trans temps are you guys seeing unloaded as well as loaded?
Post Fiend
Joined: Apr 2004
Posts: 5,158
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From: North of Salt Lake City
I agree something is amiss. My trans temps run 99% of the time in about a 10 degree range, between 190 and 200 whether empty or towing (assuming everything is fully warmed up). I think I remember seeing it just over 200 once but I can't remember for sure.
Posting Guru
Joined: Apr 2004
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From: Corinth, TX
sounds like they might not have gotten the trans cooler put back together right, or maybe something is clogging it up. I'd take it back in... or possibly to another dealer, given your previous experience.
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Joined: Oct 2010
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From: Winfield, WV
X2! I would bring it somewhere else to get it looked at.
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From: Frederick, MD
Even the previous version of the trans, my 08 normally runs around 175-185 empty, towing rarely over 200. I have seen a couple of 220's pulling some long long grades. All this was towing with about 15K.
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Thanks guys, you pretty much proved to me that I'm not crazy, I thought that it was way off base when I first noticed it. Needless to say it will be going back in to the dealer to be looked at I guess! I hate to do that since they had it a month last time but it's gotta be fixed!!!
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To add something to this situation I had something happen tonight that I have never had happen in any other vehicle with an automatic.
As I'm sure most people do when switching from reverse to drive they dont allow the vehicle to come to a complete stop but make the switch just before. Tonight when I was backing up from the mail box I put the truck into drive just before coming to a complete stop and the truck stopped dead and it actually killed the motor!!! I have noticed before that the truck kinda bounces when you go to drive from reverse if moving much at all but this is a first for it actually killing the motor!! Diesels are pretty hard to kill with a manual let alone an automatic. Keep in mind that I am only creeping backwards when I make the switch like I'm sure all of us do.
Anybody else notice the bouncing or lunging like this??
As I'm sure most people do when switching from reverse to drive they dont allow the vehicle to come to a complete stop but make the switch just before. Tonight when I was backing up from the mail box I put the truck into drive just before coming to a complete stop and the truck stopped dead and it actually killed the motor!!! I have noticed before that the truck kinda bounces when you go to drive from reverse if moving much at all but this is a first for it actually killing the motor!! Diesels are pretty hard to kill with a manual let alone an automatic. Keep in mind that I am only creeping backwards when I make the switch like I'm sure all of us do.
Anybody else notice the bouncing or lunging like this??
Post Fiend
Joined: Apr 2004
Posts: 5,158
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From: North of Salt Lake City
z - I'm one to come to a complete stop before I shift. If I ever drop it into gear too quickly, I'd flinch for sure. Was always taught that bad things would happen if you power-shift an automatic.
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I come to a complete stop as a general rule. These transmissions make such a clunk shifting out of park or to reverse that I don't want to change it even rolling slightly.
Firmly press that brake pedal, too.
HOWEVER, I broke that rule for the first time on this truck yesterday.
I was backing up into a street (meter parking) and a car came fast around a corner (I'm sure it was a red light for that person considering other vehicles were stopped) so I changed to drive a second too soon. Nothing happened (especially like this) but I cringed at what I just did. I'm sure the car would have stopped since a second didn't really do anything...maybe... but it spooked me a little so I wasn't thinking. I know...no excuses.
I would be interested to know how fast you were actually moving to cause this to happen. I've seen plenty of rolling gear changes on gas vehicles and never a stalled engine.
Firmly press that brake pedal, too.
HOWEVER, I broke that rule for the first time on this truck yesterday.
I was backing up into a street (meter parking) and a car came fast around a corner (I'm sure it was a red light for that person considering other vehicles were stopped) so I changed to drive a second too soon. Nothing happened (especially like this) but I cringed at what I just did. I'm sure the car would have stopped since a second didn't really do anything...maybe... but it spooked me a little so I wasn't thinking. I know...no excuses.
I would be interested to know how fast you were actually moving to cause this to happen. I've seen plenty of rolling gear changes on gas vehicles and never a stalled engine.
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Joined: Oct 2010
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From: Corn Country, Kansas
I come to a complete stop as a general rule. These transmissions make such a clunk shifting out of park or to reverse that I don't want to change it even rolling slightly.
HOWEVER, I broke that rule for the first time on this truck yesterday.
I was backing up into a street (meter parking) and a car came fast around a corner (I'm sure it was a red light for that person considering other vehicles were stopped) so I changed to drive a second too soon. Nothing happened (especially like this) but I cringed at what I just did. I'm sure the car would have stopped since a second didn't really do anything...maybe... but it spooked me a little so I wasn't thinking. I know...no excuses.
I would be interested to know how fast you were actually moving to cause this to happen. I've seen plenty of rolling gear changes on gas vehicles and never a stalled engine.
HOWEVER, I broke that rule for the first time on this truck yesterday.
I was backing up into a street (meter parking) and a car came fast around a corner (I'm sure it was a red light for that person considering other vehicles were stopped) so I changed to drive a second too soon. Nothing happened (especially like this) but I cringed at what I just did. I'm sure the car would have stopped since a second didn't really do anything...maybe... but it spooked me a little so I wasn't thinking. I know...no excuses.
I would be interested to know how fast you were actually moving to cause this to happen. I've seen plenty of rolling gear changes on gas vehicles and never a stalled engine.
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I was moving less then 1mph for sure. I only backed up about 20ft and was almost at a complete stop with my foot on the brake when I droped it into drive just as I always do. I have never heard of it stalling an engine either thats what shocked me. Im used to driving a manual so maybe I better change my ways!!!