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    Troubleshooting A/C in 2004 Yukon XL

    From about 2002 forward.....All GMT800's had a Denso compressor instead of the Harrison H6 POS,
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    Insight needed, 2012 Ram 5.7L Hemi #8 misfire diagnostics

    This is from a shop that has put in 3 different reman Engines from LKQ, New OE Mopar #8 Injector, New OE #8 Coil, New NGK plugs, Different PCM, Engine harness from a wreaking yard, Intake manifold & Fuel Rail changed twice. All 3 engines misfire on #8 I haven't had a lot of time to mess with it...
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    Is this piston leaking oil?

    That could be oil deposits, The piston looks beat up in the bore scope photo (left) right on the ring land.
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    What are you working on today?

    Cab Mounts on a 2016 F250 6.7L/6R140. Clock Spring & Fuel Filter on a 2005 Silverado 2500HD Duramax/Allison 1000. A/C service on a 2013 Mazda CX5, No low side service port cap & the Schrader was leaking. Been doing a lot of Super Duty cab mounts lately, 4 last month & already 5 this month...
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    Out with the Diesel LB7 in with the 6.0/ 4L80E

    Glad it got fixed, Had my doubts with the Timing Gear/Reluctor prognosis without proving it out. The later 6 speeds got a lot of updates & is a all around better unit. Not that I've seen a lot of 5 speed valve body issues. The Duramax isn't the easiest/cheapest engine to work on & the Allison...
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    For Chrysler/Dodge Caravan/Plymouth Minivan Owners

    Wuhan Institute of Cooling Technologies ;)
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    For Chrysler/Dodge Caravan/Plymouth Minivan Owners

    The tank with the inlet & outlet needs a dividing wall....Like this.
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    Newer Dodge "Ram" trucks with Rust?

    Fly to DFW & buy a Ram of your choice....What price premium would you put on all that rot?
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    Can GM key fob be unprogrammed from vehicle?

    The dealer will want the mechanic to do it for free as it's a in-house mistake. Nobody at fault gets held accountable. The sales guy that made commission on the sale needs to get in a car & drive to pick-up the missing Fob with the other owners correct Fob....Then deliver your Fob to you.
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    Can GM key fob be unprogrammed from vehicle?

    They can delete the missing Fob.
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    Brass looking metal in ATF

    Bushings & Thrust Washers have Brass/Bronze in them.
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    Toyota ... warped rotors

    You're not alone especially on the Tundra/Sequoia. There are circumstances that require truing new rotors up with a "on the car lathe" using the proper procedures.
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    Golf Cart questions

    Looking for something to move dead cars around my shop/lot. If my lot was all concrete....A fork lift would be ideal & would buy a fork lift anyway if the price was right. One of my elderly customers gave me a early 90's Yamaha golf cart, 36 volt (20 kW) motor....Appears under driven with a...
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    Ford recalls over 850,000 cars in the US due to potential fuel pump failure

    GM used to own most of its suppliers, A '65 Impala would likely be 90%+ corporate umbrella content....Glass would be LOF, Babbitt bearings & bushings would be Federal Mogul, Frame is likely made by A.O. Smith.
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    2015 F-150 V6 Duratec issues

    Problem is....Not many shops want to do internal engine work/diagnostics.
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    Big vs. Mini Trucks: New Purchases

    I believe it! The 6.4L & 6.6L are similar displacement. Is that the new ZF 8 speed unit? I find the 6.4L/AS66RC combination in 4500/5500 chassis to be mismatched....One of my fleet accounts has 2 Ram 5500 Terex aerial bucket trucks, 2017/2018 & drivers complain constantly about low power. The...
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    Pros and bleeding brakes?

    New pads & rotors alone will cause the pedal to feel spongy compared to seated pads & rotors. Most vehicles do not require special tools to bleed after replacing calipers....Just don't let the master cylinder run dry!! What vehicle is this?
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    Best/Worst A/C Performance in a car?

    Far less interior volume in a car, No one taking showers, Washing dishes, Watering plants etc... I do quite a bit of automotive A/C work & our humidity is pretty high this time of year. They start out making tremendous amounts of water out of the evaporator drain then tapers off a lot once the...
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    Choosing ATF for 2001 Prism/Corolla Dexron II Transmission

    The A541 in my daughters 2000 Avalon has just about 100,000 miles on Mobil Delvac 1 ATF, It's a group IV synthetic & used to carry a Dexron IIIG license
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    E-85 Fiasco with 2010 Buick Lucerne

    GM liked to experiment with Virtual Alcohol Content sensing using the tank pressure transducer, While others have a actual Alcohol Content Sensor but can't tell the difference between Alcohol & Water.
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