Doug, Thank you. Just to be clear, this CD player wont play through the vehicle's speakers, correct? I don't care about the steering controls. I'm attempting to find something that will play thru the OEM speakers. I even called Crutchfield and they don't have anything and essentially said I'm SOL from anything they have. I 'wish listed' this portable one anyhow.
Rolling Thunder replied to SteveC's topic in 2014-2018 Silverado & Sierra ModsKeep those wheels, the 18's ride a little better and are attractive IMO. Ninety nine percent of those here with the BiG lifts and big macho wheels interpret 'off-road' as riding on the shoulder!
Goodyear SRA's My truck came with the 20" chrome wheels and Continentals. Three months after taking possession of it I bought a full set of the ZR71 aluminum wheels from a dealer who installs lift kits, I don't like the chrome wheels. Being concious of the vibration problem I had my independent tire place balance the factory 18" Goodyears. Before they started I asked the owner 'How good is the factory balance' and he said "Usually pretty good." The balance was NOT a road force but a conventional balance: Two wheels took 2.5 oz, one wheels took 1.25oz and the last wheel was OK. Two and a half ounces is a LOT. So off I went after spending $50 for my own satisfaction and it was probably a good thing I did. I have had no issues with the factory Z71 18" Goodyear SRA tires whatsoever. They have been to Florida and Alabama with no vibrations whatsoever on the 70+ MPH Interstates and my truck didn't have any vibrations with the 20" chrome either. These last few pages have brought another factor into this whole 'road force' and tire balance/vibration issue: How competent and how well trained are the dealer techs using the machine? It's not nuclear physics to use one but it does take some practice and training. Does the dealer even HAVE a machine when they claim they did a 'road force' balance. Has everyone SEEN the machine at their dealer's when they claim a 'road force' balance was done?
Barak, I made no reference to 'road force balancing,' my reference was to the PICO tester and its available printout. Your experience with those Goodyear Wranglers is another example of what may solve one owner's issues and not anothers. When I bought my truck I removed the 20" chrome wheels and installed the default 18" Z71 aluminum wheels with those Goodyear Wranglers. I never had a vibration then and don't have one now and those wheels and tires carried us to Florida once and Alabama twice on the 70MPH+ Interstates. I've seen many complaints about the Wrangler tires here but I never had any issues with them. I've had the 18" wheels conventionally balanced independently by a private shop after the exchange, not a road force balance, and the factory balance left a lot to be desired. I personally have no idea what causes the vibration on a small percentage of these GM trucks but it's a helluva thing to read about the problem on $50,000 +/- trucks and the understandable dissatisfaction of those owners.
PICO tests provide valid legal and diagnostic summaries and can be used in related or unrelated court cases. Not able to print a summary is pure bullshit so you're already being lied to. Perhaps the PICO tester they borrowed conveniently can't print.....
Guys, Some of you have not been here long enough to read some of the hundreds of other posts regarding 'vibrations' and no one expects you to start at the beginning of this thread either. 1. There are many, many examples of driveshafts being replaced with another GM driveshaft that have not cured the problem so don't be disappointed if that's not your fix or they tell you "The driveshaft runout is withing tolerance." 2. There are many, many examples of engineers coming to the dealership to pay lip service and state '"It's within GM specs." 3. There are many, many examples of the dealer performing the PICO tests and stating "It's within specs." 4. What cures another owner's trruck will not necessarily cure your truck with the same fix. It might but don't be disappointed if it doesn't. 5. There are many, many guys who bought quality aftermarket parts including driveshafts, rear axles, etc. Some had their problem fixed that way and some didn't. So to summarize, what fixes one owner's truck may not fix yours so be prepared to either be very disappointed or very satisfied. Being disappointed has been in the vast majority of GM dealer fixes. GM knows what the problem is but they won't admit to it.
I checked specs for the Traverse and Acadia to see how much smaller the Acadia was: 10" and that's a lot. It's only Mom and me now and we drove a couple models of the 2019 Traverse and it was very enjoyable and comfortable. So it's going to be finding a 2019 leftover or ordering a 2020, neither is an issue. I learned a lot from this thread and it's much appreciated.
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