Recent content by Eastwood

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    2021 GMC Denali 3.0 LM2 Engine rattling

    Thanks for the reply, however mine has never done it and started about a week ago. Wondering if the diesel fuel has something to do it so will buy another tank at another station. Have also read that the injectors might be a problem. If I'd had the noise since new I wouldn't be as concerned...
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    2021 GMC Denali 3.0 LM2 Engine rattling

    My 2021 GMC Denali has approximately 18,000 miles on it and the engine is making a rattling sound under light acceleration. This just started has anyone else experienced this issue? This sounds like pre-ignition in a gasoline engine.
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    Fuel injector pump

    Has anyone had their fuel injector pump fail or replaced? Watched a youtube video stating it will most likely need to be replaced at 100,000 miles.
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    Reprogram 10L80 Trans?

    I agree on being the smoothest powertrain on the market and can't believe Ram and Ford both discontinued the diesel option in their light duty trucks. I hope GM keeps offering the diesel in their light duty trucks and SUVs. Diesel prices have dropped in Missouri and it is now only about 20...
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    Fuel cap mod

    Several weeks ago I noticed diesel fuel below my fuel tank on the garage floor and looked underneath and could see where it appears to have ran down from around or above the fuel tank. Took it to the dealership and was told there is a valve in the fuel filler hose that has to be replaced and...
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    LZ0 Duramax engine to be revealed on 8/16

    Yes and understand they also changed to a different injectors than what is on our LM2 engines.
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    LZ0 Duramax engine to be revealed on 8/16

    The LZ0 has many upgrades and concerned my 2021 LM2 will have problems in the areas they addressed and improved upon with the LZ0.
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    Multi-Pro Tailgate

    The 2022 Detroit Auto Show.
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    Multi-Pro Tailgate

    I was watching a TFL Talk youtube video doing a walk around at the Detroit auto show and noticed that a GMC truck with a Multi-Pro Tailgate has a black plastic overlay on the upper half of the tailgate. Has anyone seen this before? I'm curious where I could buy this overlay on the tailgate to...
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    LZ0 Duramax engine to be revealed on 8/16

    LZ0 Duramax specs announced today, 305 horsepower and 495 pounds of torque!
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    BREAKING: New LZ0 Duramax Engine for 2023 GM Trucks

    We will have to wait to see if GM changes or updates the part number for the oil pump wet drive belt for the LZ0 and if not it should apply to all LM2 engines. Apparently the extending mileage and time frame are for the 2023 LM2 engines at this time.
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    BREAKING: New LZ0 Duramax Engine for 2023 GM Trucks

    The 2023 LZ)0 duramax is now officially extending their oil pump belt to 200,000 or 15 years and the cooling system is changing.
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    Transmission fluid change

    With the 5-year 100,000 powertrain warranty with the LM2 diesel, I'd say it's a smart move to let the dealer do it while under warranty.
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    BREAKING: New LZ0 Duramax Engine for 2023 GM Trucks

    From Pickup Truck + Suv talk, the chief engineer for the design of the LM2 diesel talks about that they are looking into extending the life of the belt.. It's about 5.00 minutes into the video he starts talking about the belt issue and at seven minutes he talks about that their program team is...
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    Received message today 171 miles until speed reduced to 65mph with 5,395 miles on my 2021 GMC Sierra Denali 3.0 Diesel.

    If these warnings are ignored and driving continues, maximum speed will be limited further when each of the following counters reaches zero. • 500 Miles to 65 mph Max Speed • 75 Miles to 55 mph Max Speed • 75 Miles to 5 mph Max Speed
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