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    4L80E Hard 1-2 Shift

    Vehicle: 2006 Chevy Express 3500, 6.0 engine, 4L80E transmission About a year ago I experienced a hard clunk shift from 1st-2nd gear. This happened several times during a 10 minute drive. No DTC code. After stopping the engine and restarting it has shifted fine ever since. Local transmission...
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    Valvoline Restore & Protect: Eliminate Toyota VVTI Cold Start Noise???

    Has anyone tried Valvoline Restore & Protect to address the Toyota VVTI cold start rattle?
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    Can a BatteryMinder Cause Battery Water Level to Drop?

    I have used BatteryMinder 12117 maintainer for over 20 years, generally with great results (batteries last at least 5+ years). I have had a problem with a few batteries recently that I kept on the maintainer for a very long period of time (several weeks to 3 months). In one lead acid battery...
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    Tire Protectant

    My main interest is finding a good tire protectant to prevent the sidewall from cracking. There are a ton of tire dressings out there, but I want protection from UV, ozone and whatever else causes a tire to deteriorate. I have used 303 going back 25 years. It has worked OK but price has gone...
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    4L80E TCC Not Locking

    Sorry if this is long but hope to present a complete picture as best I can. Vehicle: 2006 Chevy Express 3500 RV Conversion (Roadtrek 210P). Weighs 9600lb, right at GVWR 153k miles. Fluid/filter changed at 60k and 110k Valvoline Maxlife Fluid, Lubegard Transmision Fluid Additive, Magnefine...
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    Brake Caliper Pins: One Has 3 Flats, Other One No Flats. Where Do They Go?

    Decided to replace the caliper pins on my 2006 Chevrolet Express 3500 van. Removed the caliper pins not paying attention to them. Went to put in the new pins and noticed one pin has 3 flat sections about 1/8-inch wide running along the length. The other pins has no flat sections. Could find...
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    First Transmission Fluid Change at High Mileage (100,000+)?

    My son's 2010 Toyota Corolla has 100,000 miles on it. Transmission fluid never changed. Friends 2009 Venza; same thing. I have seen several options discussed: 1. Only do one drain and fill. 2. Do several drain and fills. 3. Drain, fill. Then unhook transmission line and let transmission pump...
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    Tire Care Using 303 and Aero Cosmetics Rubber Care

    When I bought my 2006 Chevrolet Express 3500 in 2011 the original Bridgestone V-Steel tires were 5 years old and had cracking. I replaced with the same V-Steels and used 303 Protectant like I had been using for many years on tires with good results. At 5 years on these tires I had no cracking at...
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    New Bridgestone Weatherpeak Tread Depth Under Spec

    I just purchased Brdgestone Weatherpeak tires from my local Discount Tire. I chose these based on the Bridgestone website information and a few other sites on the internet. I really like the wet weather performance potential, especially as these are on my wife's Toyota Camry. After reading the...
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