Rocket Man's 02 Denali Build Thread AKA "THE BEAST"

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95escahoe

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Sorry to hear that, hopefully you get the Beast back on the road soon.


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Doubeleive

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last time I blew a transmission, the transmission shop I had warranty with blamed the problem on the transfer case,mine was 4wd but I had the same problem would roll forward but not backward, I guess there is some part in the transfer case that can bind up, you might want to disconnect the transfer case and see if it still spins either way.
 
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Rocket Man

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I’m wondering if it’s the TC. It kinda makes sense- how I can roll it forward but not backward even if the trans is in neutral, and how I can put it in any gear and it doesn’t move under power. It kind of felt like some gears locked up or broke when it happened. Also, I realized the TC uses ATF fluid and I changed it when the trans was installed so the fluid on the road doesn’t necessarily point to the trans. Might get lucky and the trans is ok, IDK. Gonna see about pulling the TC today but it’s like 38 here. Thinking of pulling it then looking at the trans output shaft while it’s in gear. Not sure if the Tech 2 can diagnose the trans?
 

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be sure to chock any wheels on the ground these awd do not have park as soon as 2 wheels are off the ground it can roll away on you
 
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Rocket Man

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be sure to chock any wheels on the ground these awd do not have park as soon as 2 wheels are off the ground it can roll away on you
I know. Anyway I just put it on jack stands and had a look. It’s the trans. There’s a ticking coming from the bell housing and the fluid came out of the tail shaft. I can’t see much through the inspection plate. The Tech2 shows no tail shaft speed when I put it in any gear. It might be the TC locked up and blew the trans. It will just all have to come apart and that might wait until the spring. It’s a bad time of the year in the NW to pull a trans in my driveway and Im old. I already work outside most of the time and that’s hard enough on me. I’m so depressed. I just hope the Silvy holds up for the next 3 months. I don’t want to have to buy another rig to get me by. Shit.
 

bottomline2000

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I know. Anyway I just put it on jack stands and had a look. It’s the trans. There’s a ticking coming from the bell housing and the fluid came out of the tail shaft. I can’t see much through the inspection plate. The Tech2 shows no tail shaft speed when I put it in any gear. It might be the TC locked up and blew the trans. It will just all have to come apart and that might wait until the spring. It’s a bad time of the year in the NW to pull a trans in my driveway and Im old. I already work outside most of the time and that’s hard enough on me. I’m so depressed. I just hope the Silvy holds up for the next 3 months. I don’t want to have to buy another rig to get me by. Shit.


Edit- I just realized you were saying it only moves fwd, but not under power. It very well could be the converter or output shaft. Dropping the pan may be the easiest and see if there is any debris in there.

Does your warranty cover the r&r of the trans?..let a shop do the work and bill it to performabuilt if have 1 you trust. I was really hopeful this trans would hold since it's well built but the true weakness of the 60e is just it's not beefy enough but maybe it lost pressure somewhere and caused 2 gears to engage. I think my pump went on mine since my converter is still completely full but spins freely. .

I'm currently on a road trip in mine and the 80e hasnt missed a beat (knock on wood)..sending good vibes to the car gods so you get it worked out..



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Rocket Man

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No there’s no trans warranty that I know of that covers the R&R of it. Unless maybe you pay them to R&R it in the first place. As far as dropping the pan, that will happen when I decide to pull the trans.
 

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I know. Anyway I just put it on jack stands and had a look. It’s the trans. There’s a ticking coming from the bell housing and the fluid came out of the tail shaft. I can’t see much through the inspection plate. The Tech2 shows no tail shaft speed when I put it in any gear. It might be the TC locked up and blew the trans. It will just all have to come apart and that might wait until the spring. It’s a bad time of the year in the NW to pull a trans in my driveway and Im old. I already work outside most of the time and that’s hard enough on me. I’m so depressed. I just hope the Silvy holds up for the next 3 months. I don’t want to have to buy another rig to get me by. Shit.
Sorry red, big friggin tarp over the whole truck and then some, a few rocks at the corners and a little propane heater (type that goes right on the bbq type tank and at least youll be warm... ideas.... been there before
 

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