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Transmission and drivetrain related components. Discuss automatic and manual trans repairs and performance or talk about driveshafts or rear-ends and differentials. Diagnostics of 4-speed, 5-speed, or even 6-speed transmissions.

Rear End sounds like its breaking

GU4 3.08 RATIO

11 silverado 1500 2wd... got stuck in mud other day and turning traction control off..it still spins like its clanking metal... even tried stability control off.

i dont believe anything to be wrong with rear end, it drives perfectly fine on road...no sounds...

just hate it if i ever get stuck and need to spin..its not allowing me.

whats the freakin point of having ...
Read more : Rear End sounds like its breaking | Views : 52 | Replies : 2

Gmc sierra 4x4, 2000 Gmc sierra 4x4, 2000

Have a bad bearing on left/driver side output shaft, coming out of my front differential. Lot of up and down slack.
Can't get it into a shop in a reasonable time.
A mechanic said I can remove the axle, as long as, I leave the axle stub in the front wheel and still drive it. Essentially taking it apart at the outer cv joint and drive it until I can get it fixed.
Read more : Gmc sierra 4x4, 2000 | Views : 65 | Replies : 3

Center support bearing, which one?

All the parts stores say the same. It is either 1.378" or 1.575". I need to know which one before I disassemble. 2003 Silverado LS extended cab short bed 4.8 liter.
Read more : Center support bearing, which one? | Views : 36 | Replies : 1

Double Cardan Joint For Front Driveshaft Double Cardan Joint For Front Driveshaft

Turns out I need a double Cardan joint driveshaft for my 2014 Silverado Crewcab after installing a 5" Rough Country suspension lift. I am getting some significant vibration from the front when engaging 4WD. Does anyone else out there have the same issue with this as a fix? Where did you get your driveshaft and how much? Any issues with install? Any advice? Thanks in advance!
Read more : Double Cardan Joint For Front Driveshaft | Views : 61 | Replies : 1

Help for the new guy


I am new to the forum

I am looking for help or suggestions please.

I have a 2001 Silverado and it is stuck in 4hi
I have done searches and thought that I tried most thing but maybe there is something I am missing

Here is what I have done so far
Replaced dash switch
replaced encoder motor
checked oil in transfer case
pulled the fuse under the hood to make sure it was ...
Read more : Help for the new guy | Views : 74 | Replies : 2

1984 K20 Scottsdale transmission problems

I'll make this short and simple. I have the truck stated, which has a 700R4/4L60 transmission and swapped a 400 SBC motor into it.
Anyway, I was driving back to base from home when it began to overheat (this is when it all began). I slowly drove it to the next gas station, and added transmission fluid it was low on. It seemed to drive fine after, but 30 min. away from base it began ...
Read more : 1984 K20 Scottsdale transmission problems | Views : 60 | Replies : 3

Trans shift bracket Torx bolt torque specs

Hey guys,

what are the torque specs for these t-40 torx fasteners? it took every bit of might i had to break these suckers loose and theres no way in hell im tightening them that tight again should i need to drop the pan again...

Do they necessarily require this much torque for any specific reason? I find it hard to believe they were torqued this hard for safety mean while the trans pan that ...
Read more : Trans shift bracket Torx bolt torque specs | Views : 55 | Replies : 1

differential noise

I have 2005 GMC Sierra 1500 RWD ext cab SLE...I lowered the truck about 3 months ago...4 inches in the rear by using front spring hangers and rear shackles...2 inches in the front using drop spindles...lately I am hearing a whining noise that seems to be coming from rear end...it isn't always constant but getting more frequent...would this be related to the lowering somehow ? I did nothing with changing the pinion angle or anything ...
Read more : differential noise | Views : 40 | Replies : 0

2016 1500 lost 4-6 gear

Driving home from work on sat I went to take my exit off the freeway and lost 4 5 6 gear, no check engine light either. Got it to the dealer just before they closed and they tried to hook up 3 different obd 2 readers and none of them would even recognize my truck was there. They thibk I might have some computer/electronic issues. I will keep you guys posted as I find out ...
Read more : 2016 1500 lost 4-6 gear | Views : 159 | Replies : 4

4l60e holding 1st until 3000rpm

Like the title says the 4l60e in my 05 is holding first gear until 3000rpm under partial throttle. Full throttle it shifts normal, fluid level is full, and the fluid is clean. I would like to blame the tps but figured I would ask if anyone here has any input.


Just cleared the computer and it's fine right now.
Read more : 4l60e holding 1st until 3000rpm | Views : 110 | Replies : 5


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