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re: Finally had to do the inevitable and replace the Silverado transmission
Posted on 3/6/26 at 6:10 am to Colonel Angus
Posted on 3/6/26 at 6:10 am to Colonel Angus
quote:
rear differential on my 2018 F150 KR at 83K
Odd. Ford has its problems, but rear ends in their full-size trucks is not one of them. They’re pretty stout. I remember back in the day, a lot of Chevy drag racers used Ford rear ends because they were bullet proof.
2
Posted on 3/6/26 at 6:17 am to tankyank13
Thinking the same while reading. Curious what size tires he was running?
Posted on 3/6/26 at 6:18 am to tankyank13
Ramblin Wreck, your Silverado story is similar to mine. When mine finally went out it was Arizona mountains (lived in Phoenix). Made it home at slow speed though. New tranny. Still driving it today. '99 Silverado 4x4 208,000 mi. Would not care to drive anything else.
Posted on 3/6/26 at 6:19 am to Ramblin Wreck
Replaced the trans and they are evidently known for their crap radiators, dealership wanted to charge me a fortune to replace it because of the amount of hours to get it out. Luckily I found an independent shop that did a lot cheaper.
Posted on 3/6/26 at 6:21 am to Ramblin Wreck
Tundra, 248,000miles. Haven’t done shite. Why do you people buy that trash?
This post was edited on 3/6/26 at 6:44 am
Posted on 3/6/26 at 6:23 am to Capital Cajun
quote:
I just put a new radiator on it a year ago too. I decided to not dump more $ into it and replaced it with a Tundra.
Are they still having major engine issues?
Posted on 3/6/26 at 6:28 am to UptownJoeBrown
quote:The dealer service rep said that was overkill for my 6 speed transmission and recommended the flush which was a good bit cheaper at about $350.
I just do an fluid and filter change
At 80,000, I will get the pan dropped and filter changed.
Posted on 3/6/26 at 6:33 am to Colonel Angus
quote:
Just had to replace the rear differential on my 2018 F150 KR at 83K. Thing shredded to pieces internally. Sounded like the prop flying off a B17.
I had to get mine rebuilt on my Ranger at 65k miles. I was changing the oil and there were big arse chunks of a bearing retainer stuck to the magnet. Thankfully I have a lifetime powertrain warranty so it only cost me $100 to have it fixed.
Posted on 3/6/26 at 7:28 am to Loup
I have a 2010 f150 that has 153k on it and I just had to change the valve body. First work on it that I can't attribute to louisiana roads. A refular st work who is a ford Trans tech says the new ones have a lot of problems and I need to keep this one going
Posted on 3/6/26 at 7:33 am to Ramblin Wreck
quote:
2019 with an 8 speed. Started doing the shudder thing at 75,000 miles. I did a complete fluid flush at 125,000 that helped some. Moving to a region with hills made it worse but I managed to delay until 175,000 miles. It is frustrating but I have only had to change the oil and replace the tires other than the shudder issue. $7200 gets me another 3 years / 100,000 miles. Unfortunately there isn’t an improved design option for the 8 speed. Anybody else been able to delay replacement until high mileage?
When will you goons ever learn? Stop buying American junk.
Posted on 3/6/26 at 7:34 am to BabyTac
quote:This.
Tundra, 248,000miles. Haven’t done shite. Why do you people buy that trash?
Posted on 3/6/26 at 7:55 am to DrewTheEngineer
quote:
The folks at the transmission shop told me it's very common for this era Sierras and Silverados to have torque converter / transmission issues. Once fixed, they're usually good to go.
Yep. Had to replace my 2016 Silverado at 87000 miles. I’m over 220000 now with no problems. Replaced my wife’s 2017 Tahoe at around 100000 miles and no problems since.
Transmission shop told me the same thing about the torque converters. I wouldn’t bring it to the stealership because they’ll put the same shitty converter in it.
Posted on 3/6/26 at 9:03 am to TDsngumbo
quote:
Jeeze, remind me not to buy a Silverado or a Sierra.
Posted on 3/6/26 at 10:18 am to Ramblin Wreck
My first Silverado was 16 years with 250,000+ miles on it. No issues.
My 2014 Silverado with 149,000 miles, had the transmission replaced because of the shudder issue. Two months later, they had to replace it again for doing the same thing.
I’m in the middle of trading it in right now, for a Tundra. It can’t be any worse than what I just dealt with. And I’m one that has only own Chevy’s my entire life and thought that’s all I would ever buy.
My 2014 Silverado with 149,000 miles, had the transmission replaced because of the shudder issue. Two months later, they had to replace it again for doing the same thing.
I’m in the middle of trading it in right now, for a Tundra. It can’t be any worse than what I just dealt with. And I’m one that has only own Chevy’s my entire life and thought that’s all I would ever buy.
Posted on 3/6/26 at 10:27 am to Spankum
I have a 2008 Silverado with 430K on it. No transmission problems. Trying to get it to 500K for all the glory and admiration it will bring.
Posted on 3/6/26 at 10:29 am to Ramblin Wreck
Had to replace mine on a 2021 F 150 at 120k
All highway no towing.
All highway no towing.
Posted on 3/6/26 at 10:36 am to Ramblin Wreck
quote:
Unfortunately there isn’t an improved design option for the 8 speed.
Somebody lied to you. Posting this for the next guy in your predicament
LINK
quote:
The Greatest Problem of the General Motors 8L90-E Transmission Has Been Resolved!
Known as one of the most unreliable mass-produced transmissions of all time, the 8L90-E is notorious for failing shortly out of warranty. Much of this can be blamed on one specific system, the “pulse dampeners.” Pulse dampeners are small pistons built into the valve body castings and circuits that are designed to modulate oil flow to the shift valves.
The issue is two-fold. One is that they don’t serve any meaningful purpose. Two is that they are the first component to fail in almost every 8L90-E we receive as a core. It is our belief that these pieces were designed specifically to limit the lifespan of this transmission.
Until now, the only solution for these problematic components has been machining them or sleeping them and replacing them with different pistons that will inevitably wear out again. For the first time ever, we have designed a kit that permanently eliminates this system from the valve body altogether as though it was never there.
This kit installs easily without dropping the transmission. Additionally, our billet channel plate is completely redesigned to bypass ALL pulse dampening circuits and dead circuits. As tested, oil travels through this channel plate 0.23x the factory channel plate, a radical difference.
This Kit Comes With: - (1) Billet Channel Plate w/ PulseDelete™ - (7) Billet O-Ringed Pulse Dampener Plugs - (7) High-Temp O-Rings
Conclusion: This product was designed so that the 8L90-E transmission could survive hundreds of hundreds of thousands of miles safely. In all data we’ve collected, it was obvious that the pulse dampening system was the root cause of this poor longevity. Finally, a permanent and total solution exists.
This post was edited on 3/6/26 at 10:40 am
Posted on 3/6/26 at 10:55 am to Ramblin Wreck
2003 Silverado here. I'm the original owner, 170,000 miles. Runs like a champ, no transmission problems. I've had the transmission fluid and filter replaced twice since I've owned it. Hopefully it get me thru the golden years 
Posted on 3/6/26 at 10:59 am to Ramblin Wreck
The transmission issue has to be frustrating.
Wife has a 1996 Z71 with 460,000 miles or so. It still has the original transmission and the truck has never had any transmission work.
Truck has been very reliable. However, the ignition switch failed and it is at the shop today. The failure was interesting - she started it and the starter stayed engaged. She turned the ignition switch off and removed the key, but the motor was still running (at this point, without the starter noise). After five minutes or so, the motor turned off on its own.
When I got there, the ignition switch would freely move but with no sign that it was connected to anything. Tow truck arrives, and the ignition switch went from :way too easy to move" to "very difficult to move."
Wife has a 1996 Z71 with 460,000 miles or so. It still has the original transmission and the truck has never had any transmission work.
Truck has been very reliable. However, the ignition switch failed and it is at the shop today. The failure was interesting - she started it and the starter stayed engaged. She turned the ignition switch off and removed the key, but the motor was still running (at this point, without the starter noise). After five minutes or so, the motor turned off on its own.
When I got there, the ignition switch would freely move but with no sign that it was connected to anything. Tow truck arrives, and the ignition switch went from :way too easy to move" to "very difficult to move."
Posted on 3/6/26 at 11:23 am to BabyTac
quote:
Tundra, 248,000miles. Haven’t done shite. Why do you people buy that trash?
Old Tundras were great. My 2016 has 175k miles with zero issues. No squeaks, no rattles, runs like new and I have a lead foot.
I want a new truck but I’d also keep the Tundra bc it’ll be more reliable than the new one.
This post was edited on 3/6/26 at 11:24 am
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