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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.

Front howling..stumped!

Hi All,
2013 Silverado 5.3 LT Z71 4x4 42,000miles completely stock

I have had a sound for the past 6 months that I swore was the driver's side wheel bearing going. It howls the most at around 30mph and again around 60mph...only changes with vehicle speed regardless of 2wd or 4wd. Been doing it like clockwork for the past 6 months. Mechanic says he can't find anything wrong with it. I was 100% certain it ...
Read more : Front howling..stumped! | Views : 104 | Replies : 3

[SOLVED] Harsh 1-2 shift and 2-3 slip

Symptoms: Truck has a hard 1-2 shift which also feels delayed.
As for the 2-3 slip, the engines rpm climb as if it goes into neutral before switching gears.

Solution: I replaced my servo with a Corvette servo.
The seals were toast on the old servo!

My truck had approximately 109,XXX miles when the servo was replaced.

Hopefully this helps some of you that are experiencing the same symptoms ...
Read more : [SOLVED] Harsh 1-2 shift and 2-3 slip | Views : 15 | Replies : 0

T-Case Encoder Motor

Truck is fairly new to me, had no real issues until hitting 100,000 on the odometer (of course). Had a MAF sensor, which was easy. But, what weirdly seemed to coincide with that is that now my truck is slipping out of gear in 2hi, no really clunking or sounds, a bit of a whirring I'd say. I push it over Auto 4WD while moving, it clunks into gear and drives fine. I'll switch it ...
Read more : T-Case Encoder Motor | Views : 16 | Replies : 0

2008 Silverado 2wd shuttering Grinding noise coming to a sto

I've been chasing this for weeks but, when driving and coming to a stop I get a grinding /chatter right before coming to a complete stop , sounds like really bad brake pads,or slight abs engagement.
I've Check front Brake and calipers, Rear Shoes and drums front hub bearings for play .
one other observation I've noticed it more if the engine is in 4cylinder AFM mode. If I put the truck in Drive3 to ...
Read more : 2008 Silverado 2wd shuttering Grinding noise coming to a sto | Views : 85 | Replies : 3

Possible rear end upgrade but not sure which to choose.

My rear diff is dying and was thinking of an upgrade. Its an open diff with 3.73 10 bolt pattern.The reading I've done have left me more confused than ever. I would like to upgrade to something that can do almost everything in general from some off road,winter driving, and regular driving. I considered the g80 since my Z71 didn't come with it but I'm reading it's has been prone to failure. Also there's some ...
Read more : Possible rear end upgrade but not sure which to choose. | Views : 53 | Replies : 1

2017 Chevy Silverado clunking HELP!!!

Alright guys I purchased a new 2017 chevy Silverado LTZ z71 with the 8spd trans and 5.3L motor, right now I have about 1500 miles on it Whenever I come to a stop I hear a clunk sound coming from the driveline. Possibly slip yoke issue or transmission 3-2-1 gear clunk ?Took it in to the dealer twice already. The first time they sited a TSB stating it's normal . Second time I took it ...
Read more : 2017 Chevy Silverado clunking HELP!!! | Views : 308 | Replies : 11

Having some issues with my truck

First randomly of going in reverse. Truck will lock right up can go forward fine.if then reverse and lock up again no loud noises almost like it drops into park but if I give it Gas it will slam into reverse. Then recently I'll b driving and 4 ways will come on solid along with 4x4 light and abs and brake light will flash then all go away does it multiple times usually slow speed ...
Read more : Having some issues with my truck | Views : 63 | Replies : 1

2004 Chevy Z-71 crew cab ticking sound

So I have a 2004 Chevy crew cab Z-71 with 220,000 miles. It has recently started having a ticking sound coming from somewhere in the drive train. I can only hear it when I'm driving next to a building with the windo down "like going thru a drive thru". The sound will speed up and slow down with acceleration, and deceleration. In just looking for a place to start.
Read more : 2004 Chevy Z-71 crew cab ticking sound | Views : 49 | Replies : 1

Auburn Cone-Style Limited Slip to replace G80?

I've contacted a highly rated local driveline repair shop. When I asked about the cost to repair a G80, I was told they don't even bother any more because they're all around junk, an answer I wasn't surprised to hear but wanted to ask anyway.

When I asked what he'd suggest for a replacement, he said they do about one of these a week and suggests an Auburn cone-style limited slip. I asked about t ...
Read more : Auburn Cone-Style Limited Slip to replace G80? | Views : 80 | Replies : 1

Wheel Hub 4x4 Wheel Hub 4x4

Hello All,

Recently replaced my driver side wheel hub and stupid me didnt try 4x4 just before replacing to compare. But however after replacing I did test drive two wheel drive works fine but four high sounds weird... like a whining or rubbing sound.... any ideas? Thinking I should take axle nut off and tap the axle out and try greasing and reseating axle, would this be good idea?

Thanks to all.
Read more : Wheel Hub 4x4 | Views : 245 | Replies : 14


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