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4L80E Reverse Servo Pin Fix How To + Boost Test Drive | 7875 Turbo 5.3 LS Bagged S10 Wrenching
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- Опубліковано 18 чер 2019
- This time on SPPTV Rob works some more on his 7875 turbocharged junkyard 5.3 LS powered S-10, aka: The Blue Ghost. The 4l80e transmission is nice to have in a cruiser with big HP, but this particular one we pulled from the scrap yard in a previous video has had some issues. Rob has had the original 4l80e apart a couple times, and now the replacement 4l80e needs a bit more work to get it working perfectly.
If you are having problems with your reverse gear slipping with your 4l80e, you may have to do the same thing!
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Rob Exner
PO BOX 99900 LX 087 592
RPO GARDEN CITY
WINNIPEG MB R2V 5A2
CANADA
My reverse got progressively worse over a 4week period. Finally reverse was gone. Shops quoted $1500- $4500.I used crude measuring method . After having a shop weld 1/4 inch to filed it down . End results I added a total of 3/16 inch. Works great no slipping, no hesitation into reverse . Great video. Thank you!
The tip at 5:00 on measurement was worth the price of admission. Much easier than fabbing up a dial caliper mount / purpose made tools.
FYI: If you're just repairing the reverse servo pin you do not need to remove valve body. All you need to do to access the last bolt is to remove the solenoid blocking access to that bolt. Much easier than removing valve body. However good advise on welding the pin. About an 1/8 of a inch is usually good.
Yes, you don't need to remove or even loosen the valve body. Remove the solenoid to access the bolt. I would add, that to then remove the servo, use your fingers to pull the piston into the cover, to allow you to slide it all out from under the corner of the valve body.
I put a new band in mine and it seems like the pin I have is too long... I haven't measured it quite yet but when I tighten the cover down the output shaft doesn't really turn anymore. Thanks for the vid, this helped me in 2024
If you file just a tiny bit of valve body and the accumulator cover it will slide in and out as long as you remove & install piston with the cover together.
Now I am going to have to do some digging. I do not have any of the accumulators in my 2006 4l80e. Mine has the jakes delete, so I am guessing, it was the valve body. At least it's fixed! I've used Marvel in the past, lately, I've use Z-max.
Nice to see a Manitoban on here
Love the Vette style dash in the spinten!
Its a 55 chevy dash
Love that truck Man you have done amazing build, we just need to paint it great job on the trans fix
Good stuff, glad it worked... Smoked my 80e at the track Friday.
That sucks
Awesome! I too now have reverse in my 01 Silverado HD!
You are pretty good on gas prices , during the summer premium over here is like 1.62 euro per liter.
Wo0o0o Rob show some enthusiasm! xD Nice Happy you got er fixed up.
Congrats on the trans.
Good info I am about to do the same thing. I have a 5.3 with a lifter tick and tried the marvel and flushes and it always came back. I switched to 0w30 and the lifter tick is gone and it hasn't come back for a few weeks. Wish me luck on the 4l80 reverse
Sounds Great. Love s10s, even more if they have a v8 under the hood. They should have come from the factory that way.
I would definitely get in trouble in your truck! Lol Looking good Rob!
Great vid, keep them coming!
Totally didn't know it was on air aride 😄 I subscribed
Rob, we all know Randy fixed it.
Lol. Seeyah or rather read ya in a couple hours :P
I actually learned something from this, thanks Rob
Nice work. Very informative
I have a Chevy express 3500 no reverse but other gears work good
I'm certain your "lifter" noise will persist due to the aluminum block (just as most LS1's were plagued with)
Did the same to my 4l80e in a plow truck few years back. Had it in and out 4 or 5 times to get length right. Worked good...then sold it before the next winter so dont know how long it lasted.
Don't think your gas prices are bad. Try living in Vancouver. Regular finally started coming down. Was in $1.60's/litre
I know, I laughed at his $1.40/L . Them flat lander's dont know how nice they have it east of the rocky's
howdy, great video! i have the same issue and am trying to measure the piston thing length, was the outer piston piece flush with the back of the trans housing?
Good job rob 👍👍
Try Rotella 15-40 Diesel oil, has solved many lifter related noise issues
Just bought some actually.
Did you go forward when I'n reverse
Hi there. I haven’t watched all your videos but did you check the base circle of your cam? If you used the sloppy stage 2 aka Elgin 1840p then it’s like 3mm smaller base circle
Do you guys gave any luck like at all
good runner🤙
Buck forty five is ok down here we’re at two twenty a litre, thriving bastards
Hey rob I have a turbo 350 behind a cammed n springed ls1 with a stage 3 shift kit and a b n m pro ratchet shifter I plan on going for the billet 78/75 or gt 45 n turbo it using existing cam n springs I'm after 500 at the tyres with room to up to 700 will the turbo 350 be up to it if so what will I upgrade in it
I've seen that snake oil work on a lift
Can I just buy a new pin? Great video by the way!
Yes they sell new pins.
@@SPPTVarmy thank you for your time.
I have a 4l80e I’m rebuilding put all new pushing in having a issue where the pump slides down into the bushing is it supposed to be difficult noticed it will not rotate at all in the bushing has anyone else come across this issue
They are pretty tight, at least mine was. If it wont rotate at all then something isnt seated right.
every 5.3 ticks. Use 0-20 oil, keeps it quiet
I watched every video on this trucks build and I don't remember it being air ride smh
Do you have a muffler? If so what is it? Does the tail pipe exit in the stock location?
??
Its a dynomax you can see it being installed in this video. ua-cam.com/video/oAIWfs2O5b4/v-deo.html
Enthusiasm woooooooo
What year is that trans?
If a 97/98 I have GM service manuals at the house I can look at the pin clearance specs if you want
@@DanMcD80 what's the specs?
Its a 2008
Was your reverse slipping and then the truck moves?
Yes
@@SPPTVarmy and it was your pin? Cause every transmission shop I've talk to said they have never heard of that in their lives
Ya that fixed it, its a common 4l80e problem from my research.
What trans and drive shaft are you running?
4l80e with a custom made driveshaft
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