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How do I identify a Vortec Max engine?

How do I identify a Vortec Max engine? Because it was an add-on package, there isn't really any way to say “if you have this feature, then you have the MAX engine. Ultimately, the easiest way to tell if you have the MAX engine is to use a VIN decoder. Some of the MAX engines feature the words “MAX” in red text on the engine cover. Where are the serial numbers on a GMC? The GMC plants may be as follows: Position 12 – 17 is held by six numbers that represent the vehicle’s serial number. The sequence of numbers...
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How do you reset the TPMS on a 2009 GMC Sierra?

How do you reset the TPMS on a 2009 GMC Sierra? Uplevel DisplayScroll down to the TIRE PRESSURE menu.Press and hold the thumbwheel button until the horn sounds twice to enter the relearn mode.Start from the driver side front tire, place the TPMS Relearn Tool against the tire sidewall, near the valve stem. A horn chirp will confirm that the sensor has been reset. Why does my GMC Sierra 1500 say service? If I turn off the engine and wait for 10 min. then start truck everything is ok. and I can turn nob to whatever location I want and...
Easy lifehacks

When did GMCs envoy start using Active Fuel Management?

When did GMCs envoy start using Active Fuel Management? I’ve read at many websites that the GMCs envoys, Chevys and saabs did start to come with AFM in 2005 with the LH6 motor,It says here it started in 2006 on the saabs, then the pick-ups got AFM in 2007. What to do if your fuel tank pressure sensor is not working? If you don't have an automotive scanner you'll have to lower the tank and pull the connector off the pressure sensor and test it with a voltmeter. If the voltage reading is either zero or five then it's possible...
Common questions

How do you check the transmission fluid on a 2001 GMC Sierra?

How do you check the transmission fluid on a 2001 GMC Sierra? Here's How to Check Transmission Fluid in Your CarMake sure your car is in park. Turn on your engine and let it warm up for a few minutes. Locate the transmission fluid dipstick. Remove the dipstick and touch the fluid, moving it around between your thumb and forefinger. Use a rag to wipe off the dipstick. Do you check automatic transmission fluid with the engine running? Step-By-Step Instructions For Checking Your Vehicle's Transmission Fluid. Let engine warm up and continue to run throughout operation unless vehicle's owner's manual...
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Why are the vents not working on my Acadia?

Why are the vents not working on my Acadia? Front dash HVAC vents not working (and, what is this wire?) There's no/little air coming from the front dash vents on my wife's 2011 Acadia regardless of how the system is set. After doing some research, I've tried resetting the HVAC system by temporarily pulling the fuse. Why does my Acadia Denali not blow air? I am trying to research the issue my 2012 Acadia Denali 2WD is having where the fan blower for just the front is not working at all. The rear fan blows air but sometimes its hot...
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How much does it cost to replace a spark plug on a GMC Sierra?

How much does it cost to replace a spark plug on a GMC Sierra? GMC Sierra 1500 Spark Plug Replacement costs $212 on average. Following is a breakdown of the labor and parts estimates. What are spark plugs and how do they work? Spark plugs are one of the key components of your vehicle’s ignition system. They ignite gasoline and air inside of your engine. Do you need a wiring diagram for your GMC? GMC Wiring Diagrams SEARCH GMC WIRING DIAGRAMS Wiring Diagrams› GMC If you run into an electrical problem with your GMC, you may want to take a...
Common questions

How to replace the speed sensor on a GMC vehicle?

How to replace the speed sensor on a GMC vehicle? Remove the 10 mm bolt that attaches the sensor to the transmission. Twist the sensor as you pull it from the transmission. Push the new sensor carefully into the transmission tail-shaft housing. Twist and push until the sensor seats fully into the housing. Install the 10 mm bolt and plug the electrical connector into the new sensor. What kind of speed sensor does a Chevy Silverado have? This article applies to the Chevrolet Silverado GMT800 (1999-2006). A vehicle speed sensor (VSS) transmits the transfer case, transaxle, and/or wheel speeds to...
Easy lifehacks

How are mechanics paid on a flat rate system?

How are mechanics paid on a flat rate system? These dealers pay their mechanics on a flat rate system (also known as “flag” system). A flag rate is simply a pre-designated amount of time that a repair should normally take when performed under normal circumstances. To determine pay for any repair, the flag time is multiplied by a pay rate. Do you have to pay employees a flat rate? Paying employees a flat rate can seem appealing. However, you must pay employees for all of the hours they work. The rate of pay is dependent on a number of factors...
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Where to locate GMC Envoy fuel filter and replacement?

Where to locate GMC Envoy fuel filter and replacement? Locate the fuel pump relay under the fuse box housing according to the fuse map. Start the engine and then take out the fuse. The car will run out of fuel. Stop the engine and insert back the fuse. Where to locate GMC Envoy fuel filter? Why is my GMC Envoy L6 not running? A clogged or restricted fuel filter won’t allow enough fuel to pass through it to keep the engine running. The Envoy’s engine may not run at all or may just keep stalling out. You can replace the...
Easy lifehacks

What happens if you dont use TPMS?

What happens if you dont use TPMS? Basically there is no problem in running tires without the tire pressure sensors other than, as you point out, the warning light showing at all times. Obviously, when a tire is removed from the rim, there is no pressure, which means the TPMS has to be reset when the new or different tire is installed. How do you reset the TPMS on a GMC Sierra? Uplevel DisplayScroll down to the TIRE PRESSURE menu.Press and hold the thumbwheel button until the horn sounds twice to enter the relearn mode.Start from the driver side front...