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02-13-2021, 08:09 PM
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#1 |
 
Drives: 2023 ZL1 Convertible Join Date: Jan 2009
Location: GTA
Posts: 181
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Is the broken valve spring issue fully resolved?
I know the dates have long since past according to the TSB, but has there been any failures on vehicles produced since.....say November of last year forward?
Just curious as my LT1 will be produced in the next 3 weeks or so. Cheers, Jason
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2022 Equinox RS
2023 Trailblazer RS 2023 ZL1 Convertible |
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02-14-2021, 05:01 PM
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#2 | |
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2020 Shadow Gray 2SS
Drives: 2020 2SS - A10, NPP, MRC, CAI Join Date: Dec 2019
Location: SoCal
Posts: 3,032
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Quote:
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2020 SGM 2SS - A10, NPP, MRC, Red Calipers, Black Camaro Fender Badge, Footwell Lighting
Added after delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Sport Pedals, SS Wheel Caps, Black Lugs/Locks, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF - Full Front, SunTek 35% Tint, CeramicPro coating, RST Stainless Brake Lines, Castrol SRF, MSD Super Conductor Wires Left: My "fun" ride. Right: My "work" ride: a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph...  |
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02-15-2021, 02:04 AM
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#3 |
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Drives: 18 Ford Raptor, 21 2SS 1LE M6 Join Date: Dec 2020
Location: SoCal
Posts: 127
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My LT1 was built within the timeframe of the TSB, but no issues at 1,500 miles. It was built at the PBC by Chris Dillon.
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02-22-2021, 12:46 PM
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#4 |
       
Drives: 2019 ZL-1 Join Date: Feb 2009
Location: Troy, MI & Naples, FL
Posts: 2,019
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Most of the "BAD" valve springs will break in the first 1000 miles. Its probably a bad heat treat. If there is a vehicle sitting on a dealer lot with only 20 miles on it there may be some additional issues popping up.
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2019 ZL-1 Acquired 4/23/21 at 6300 miles. Riverside Blue, A10, PDR. Traded in 2017 2SS with 6M and 32k miles. Continental Extreme Contact Sports. Now has 10,000 miles...
2012 Yukon XL Denali w/ 6.2 AWD |
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