The Bilstein 5100's offer a much smoother and more comfortable ride. Like I said though, you still feel the bumps in the road. However, there is much less of an "impact". Your dash won't sound like someone is hitting it with a sledgehammer when you drive over cracks or uneven pavement. I found the biggest improvement is in the rear end. It doesn't feel jumpy or unsettled anymore. It has a much more planted feel to it. I'm sure there are more plush shocks you could put on than the 5100's. I was looking for a good combination of stiffness and comfort. For my personal preferences, the 5100's fit the bill perfectly.
I live in Maine, so I'm pretty much at sea level. I think I'll just run the 91 from Mobil/Irving over the 93 from the local convenience store. I've tried both octanes, and to be honest, I cant tell any difference. Thanks for all the info everyone.
I've had my 2018 LTZ Z71 for about a month and a half now. It's been a bitter sweet start to the relationship. Unfortunately, I had the dreaded "TCC Shudder". Thankfully that was remedied last week with the new fluid change procedure. The other issue I was having was the incredibly stiff suspension. This isn't my first Z71, so I was familiar with the stock Rancho's that come on these trucks. However, the Rancho's that came on my truck seemed incredibly stiff. Small cracks in the road would lead to heavy "bangs" in the front end and a general uneasiness in the rear. A few times the rear of the truck even seemed to come off the ground! I couldn't take it anymore, so with 1,700 miles I switched to Bilstein 5100's in both the front and rear. I don't plan on leveling my truck with the front shocks, but I hated the color of the 4600's, so I spent a little extra for the 5100's. All I can say is night and day difference. I am so impressed with the Bilstein's. The truck drives so much smoother. Yes, you still feel bumps in the road, but the 5100's take all the harshness out of them. The truck feels so much more planted. The rear feels like you are carrying 500lbs of cargo. Except there's nothing there! If it has ever crossed your mind that your Silverado 1500 seems to be stiff and uneasy over rough roads, you really should try these shocks. You will not be disappointed.
This is exactly what I feel as well. It makes it difficult to come to a stop smoothly. I thought the new fluid would help with it, bit unfortunately it hasn't made any difference. It's like ones the truck is ready to downshift to first gear it let's go. So you have this resistance you can feel as you almost come to a stop, then all of a sudden you dont. I've never had this in any of my other Silverado's. Man...I should get just kept my 2017. None of the issues I'm having with this one. Live and learn.
I've had my 2018 Redline Edition for about a month now. I have the 6.2L engine in it. I live in Maine, and there are not a lot of places that sell 93 octane. I have been running a mix of 91 and 93 octane fuel. I can't really tell the difference in performance. I would rather use 93 in it, but none of the major fuel companies (Mobil, Irving, etc.) sell 93 up here. I can get 93 at a local convenient store, but I'm not sure of the quality. Would you guys run 91 from a major supplier or 93 from a smaller store? Thanks.
I don't think GM will cover the cost of the flush if you aren't experiencing the shudder. The technician has to take the vehicle for a test drive and measure noise (or whatever they measure) with a picoscope. It essentially proves whether what you are feeling is the actual shudder or something else (like engine going from V8 to V4, tires, etc.). When the technician showed me mine, the graph looked like someone who was having a massive heart attack. I had huge peaks and valleys all over the place. GM requires the dealerships send this to them before they are reimbursed for the service. Being as it takes about 20 quarts of the new Mobil 1 fluid, I highly doubt GM will pay if it's simply "preventative". But then again, you never know. I definitely wouldn't pay for it out of my own pocket. Be thrilled you're not one of the ones with the issue!
So I put another 30 miles on the truck today. I have yet to experience any shudder. Really happy that is finally gone. As far as the transmission itself goes, I'm still getting slightly hard shifts from 1st-2nd (mostly when under light acceleration). I'm thinking this is just normal operation for this transmission. Also, I definitely notice the downshifting when I'm coming to a stop. I had a '14 and '17 Silverado 1500 before this one. Neither of those trucks seemed to do this as noticeably. This is the first Silverado I've had with the 6.2L motor, so maybe that's just how it works? I don't think there is anything wrong with it. Just doesn't seem to act the same as my previous trucks. Anyone else notice anything similar when coming to a stop? It's not the Grade Braking, either. I've turned that off and it makes zero difference. Overall, I'm happy with the truck once again. I was beginning to hate the thing. Driving it was not a pleasant experience with the shudder issue. For those of you who are going through this, rest easy knowing the new Mobil 1 fluid fixes the problem. Like everyone else on this forum, I just hope it's a permanent fix and not a band-aid.
Had my truck in for the flush yesterday. On the ride home I experienced zero shudder. The transmission feels much less jumpy and confused. It's only been 30 miles or so, but the new fluid does seem to fix the issue. Let's just hope it's a permanent fix.
ForumUser...yes, I was referring to the new Bocsh tooling. I received a call from my service department about 20 minutes ago. The tool and fluid came in today. We set up an appointment for Monday morning. I really, really hope this procedure fixes my truck. I love everything about it except the shuddering, lurching, RPM fluctuating and unsettled feeling from the transmission. I have to say I am skeptical a simply fluid change can fix all this, but then again, whadoo I know??
Thanks for the info GPHusker. I'm current still waiting for my dealer to receive the new tooling and fluid. Sometime in mid-February I'm being told. In addition to the shuddering, I've started to experience hard shifts from gears 1-2, and almost a feeling like I'm pumping the brakes as I try to decelerate. The downshifts seem a lot more noticeable. My question is, will the new fluid do anything for the harder shifting? Could it be related to the TCC shudder?
Has anyone on here ever tried the Lube Gard Dr. Tranny Instant Shudder Fix? I know it's not a permanent fix, but from the reviews I've read the stuff seems to actually work. I am only looking for a temporary fix until my dealership receives the new tooling from GM. This is supposed to be sometime in mid-February 2019. I can't stand driving the truck around with it shuddering like it does. It's just too annoying. My only concern is if I add this stuff, I obviously don'y want it to do more harm than good. I'm not sure if it will affect seals, etc.. It's all going to be flushed in a few weeks, but I want to make sure it won't affect GM's procedure to permanently fix the shudder issue. Thoughts?
Well, I was informed by my Senior Advisor that the Regional GM Rep. denied my request for a loaner vehicle. I guess I'm not surprised. I am, however, disappointed. Apparently because GM does not deem it a safety issue, they won't do anything. I am supposed to wait until my dealership gets in the new tooling to do the fluid flush. That is supposed to be sometime in mid February. The GM Rep who denied my request should drive over the rumble strips in the middle of the road for the next 3 weeks. At least then he/she would know what I'm dealing with on a daily basis in my brand new truck. In the meantime, I'm just supposed to deal with it according to GM. I've purchased 5 brand new Silverados in the past 7 or so years. This is the thanks I'm shown? I told my Advisor I won't be purchasing another GM product when the time comes for a new truck. Her response? "Oh, OK. Is there anything else I can do for you?" Is there anything ELSE you can do? You have to actually do SOMETHING before you ask if you can do anything else! The whole Senior Advisor thing is a joke. It's just a way for GM to make you think they care. They don't. So much for being a Chevy "Truck Legend". This legend is taking his bank account elsewhere.
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