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2005 Chevy Trailblazer Transmission problems
By
Paradigm49, in 2001-2008 Chevrolet TrailBlazer, GMC Envoy & Buick Rainier
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Similar Content
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By oscar galindo
Hi,
I have a 1997 c1500 ext cab with the small block 350 and a 4L60e. I’m replacing my torque converter but I don’t know what the original stall on the converter is. Some people tell me it’s around 1400 and other people tell me it’s 1650. Does anyone know the stock stall number? And the bolt diameter too please.
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By Erny415
So I have heard that I should look into changing my torque converter or stall. Can someone help me better understand what that is and why I need to change it? Also, maybe some recommendations. They are telling me this because I just got the truck 2 weeks ago but hopefully by next month ill have Intake, Headers, E85 and a street tune. Can't justify a throttle body or intake manifold, change my mind? lol. But I am new to all of this and they are saying maybe a 3200 stall will be good? no clue. TIA!!! Also, can someone point me in the right direction for info on drive shafts and when I need one.
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By Big R ED
Patient - 2019 1500 LD, 5.3, 6 sp, 7200 miles old, Covid-19 negative. Symptoms - 2-3 second shutter / shake / rumble, during light acceleration, 30-40 MPH and low RPM. Happens while both in V4 mode and while in v8 (manual w/ transmission set to L5). I thinks its the torque converter, but surfing the forum I see this issue mainly referenced to 2015+/- K2s and I'm not sure if they changed the trans in the final years. I'd appreciate either a TSB # or a link to another posting were I could find the TSB. I'd like to be able to take to my dealer and say "HERE....READ....FIX" (politely). Many thanks!
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By Rob McGinnis
I have a 2003 2500HD with the 6.6L LB7 duramax. It is currently 19F here in ohio and after plugging in the block heater for about 4 hours i started my truck. Engine temp was below 160, everything was running fine, but the check engine light was on, trans temp gauge was pegged aover 300F, and a message was on my dash that said TRANS HOT IDLE ENGINE. I let it idle for a while and it never cooled down. Drove it to the end of my apartment complex parking lot and it wouldnt shift out of first gear. Went back, parked it as it was time for me to go to work.
Rarely use block heater. First time i used it since beginning of 2019.
The next day(today) I went out to run diagnostics and to see what codes where being thrown. Started truck to see if trans temp was still pegged and the gauge went all the way up to red, then down to 160, then up to just below the red with no TRANS HOT MESSAGE. Drove it to gas station and it shifted hard. While idling at gas station for 5 mins the trans temp climbed into red, TRANS HOT message came across the dash and i limped it home in first gear(maybe quarter mile).
Codes - P0380, P0700, P1621.
Cleared codes and check engine light was still on.
Could the block heater have anything to do with this at all? Maybe a malfunction from a short or something?
Fluid is full, doesnt smell bad or seem burnt but i noticed a funny smell when walking away(maybe just paranoid)
Please......help.
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By BhamBearss
Hey there!
I am in dire need of help. I have been having the SAME issue with my truck for over half a year. My first problem started in January when I noticed my check engine light came on. After two days it went off on its own...then when I was driving on the interstate, my truck started to jerk and the RPM's would jump and just stay there for a while and the truck would not be going any faster, instead it was like breaks were being applied...when they were not. I took it in to the dealer ( Ive since read that that was a dumb idea..) they said that it was just my pedal position sensor (PPS) and they re-calibrated it...
A week goes by and I noticed that my check engine lights came on and then went off within a day. On my way home on a flat part of the interstate, a grade break light came on to let me know it had started the assist...which was weird bc I was accelerating on the interstate. Then the RPM's did the same thing as before. I took it in a second time and they just replaced the PPS. This worked I think for less than a month. Then the SAME thing happens, Check engine comes on, Grade Break randomly comes on, RPM's jerk.
Take it in for the 3rd time and they say its a wire... SO they replace a random wire...This fixes it for another week. THEN THE SAME THING HAPPENS AGAIN... FINALLLY they say its the torque converted and a pump and that it'll be 5K.... I had already spent over 1k ALREADY. I ended up taking it to a transmission shop because I can't play this game every time. I thought maybe they were just doing something wrong and misdiagnosed it a couple times... but then after a month of having my transmission fixed the check engine light went back on. This time I had time to take it the same day to autozone to get the codes read. It threw out the code P057C three times...this apparently has something to do with the PPS. I took it back to the dealer since they said they would fix it for free if it was the part they previously fixed. The dealership said that the PPS was shot and they had to put in another new one but that they didn't know why it went bad.
A week goes by and my grade breaks came on again today randomly and the RPMS are starting to jump again.
Has anyone had this problem or head of anyone having this problem??
Thank you in advance!
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