Firestone Air Command I Installation - 2011 Chevrolet Silverado

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How to Install the Firestone Air Command I on a 2011 Chevrolet Silverado


Today on our 2011 Chevy Silverado we'll be installing the Firestone level command two, single gauge standard duty compressor, part number F2158. The first step of our install will be mounting the compressor. A perfect location for mounting compressors is in the engine compartment. Here on the drivers side there's this open battery tray that'll be a superb location to mount our compressor. We'll first go ahead remove the battery tray by removing all of the attachment points securing it in position. Then we'll go ahead and sit our compressor in the center and use a drill bit to mark out the holes that'll need to be drilled out in order to install the fasteners to secure the compressor to the tray.

Now that we have the holes marked out we'll go ahead and remove the compressor and drill the holes all ht e way through. There are a total of four attachment points. Now with the holes drilled out we'll go ahead and secure it with the fasteners supplied with the install kit. We've got the cap headed screws. We want to install a flat washer and feed it from underneath and through the compressor attachment point.

Then we'll install another flat washer and nut to secure them. Note these are nylon lock nuts so they'll lock in position because that's what nylon lock nuts do. Now with our hardware in position for all four attachment points we'll go ahead and tighten it down. Now we're ready to go ahead and reinstall the battery tray with our compressor secured to it. We'll go ahead and take the black wire with the preattached ring terminal from our compressor and use it as a ground point for the compressor.

Now with our compressor installed we're ready to go ahead and run the speed line from the compressor. This will be routed from the engine compartment into the cab of the vehicle into where the switch and gauge will be mounted. First, let's go ahead and find a suitable location for our switch and gauge. Here on the drivers side at the bottom of the dashboard is a perfect location. This will give us an idea where we'll need to route the line to.

Now to feed the line from the engine compartment into the cab we're going to go through the manufacturers grommet. To do this we'll take a pair of side cutters and cut us a hole both inside and out and then we can use the utility knife to open up as necessary so that the hole will be large enough to feed the line through. We'll first start with our line coming from the engine compartment to the cab up to and near our gauge and switch location. Then well go ahead and take our tubing cutter and cut off the excess and install the other end into the compressor. It'll fit into the compressor after we install the quick connect nipple fitting. You'll notice it has a preinstalled sealant onto the threads that'll help us seal to the compressor. Let's go ahead and install this nipple now. Now with our nipple secured we can go ahead and slide the line into the end of the quick connect pushing it all the way in and then pulling out to lock it into position. Now we'll take the remainder of our line which will run from the switch engage back to the air bags. We'll feed it from the engine compartment up to and near the gauge set up following the last line. Then we'll go down following the manufacturers wiring underneath the vehicle into the frame channel and follow it all the way back to the rear axle. Now that we are back at the rear axle we'll go ahead install the T fitting and then begin to installing the lines to the air bags. Once again these are quick connect fittings so we make sure that we have a good square cut in our line, push it firmly into the quick connect fitting, pulling it out and locking in position. Here on the passengers side we're going to route it up over the heat shield to stay away from the exhaust. We'll go ahead and repeat the same process here on the drivers side installing it into the quick connect nipple at the air bag and route it over to the T fitting. Note when routing any electrical wires or air line want to stay away from any moving components, the steering suspension, or excessive heat such as exhaust. Next we'll need to mount our relay or wiring harness. Here by the compressor on the inner fender well will be a perfect location. Using a self tapping screw we can go ahead and mount it now. We have an orange wire from our relay which will be the power feed to our compressor. Go ahead and make that connection now. The white wire coming from our relay with a preattached connector will be fed into the cabin of the vehicle following our air line up to the gauge and switch set. This will be the power feed to our switch. Let's go ahead and route the white wire into the cabin of the vehicle and over to the gauge and switch set. Now we'll go ahead and prepare our gauge set. We'll go ahead and take one of the white wires from our switch and plug it into the white wires we just ran from our wiring harness and relay. Then we'll take the second white wire and attach it to one of the black wires coming from the gauge line. Securing these two together we'll make a common ground that we'll then secure to the body or sheet metal of the vehicle. To secure the two together we'll use a quick splice connector provided with our install kit. Slide the quick splice connector over the white wire. Now we have the quick connector slid onto the white wire we'll install the black wire and then crimp it down, closing the clasp. Next we'll need to run power for our gauge line. For this application we'll need to extend the wire. We'll bring in another piece of wire. We'll stripe back both sides and secure the two wires together with a butt connector. This will be connected to the battery. Then we'll go ahead and cut off the spade terminal, stripe it back and add a ring terminal. Using a self tapping screw we can then secure it to a suitable ground on the vehicle. Just behind this trim panel cover will be a perfect location. We'll go ahead and remove the trim panel. Now with our wired connections made Im going to take the black electrical tape and wrap up the wires to clean up the install look and secure the connection point. Next using our self tapping screw secure the ring terminal to the body or sheet metal of the vehicle. Now we can go ahead and reinstall the trim panel. Next we'll need to go ahead and install the air line into the switch and gauge. The line with the black tape is the feed coming from the compressor. It will need to go into the back of the switch. The other line will go into the back of the gauge. To install them onto the barb fittings of the switch and gauge we'll need to soften the lines. To do this we'll get some hot water and soak the lines in the hot water for approximately five minutes. Now that we've got our lines ready to install we'll go ahead and push them over the barb fitting of the switch and gauge. Now we're ready to go ahead and mount the gauge switch set up. Using self tapping screws we'll mount it here underneath the dash. Now with that done we can go ahead and secure our wiring with the zip ties provided with our install kit and the line to make sure they stay away from any moving components such as the gas or brake pedal. Once we've completed securing the wires and lines we'll go ahead and use our pair of side cutters and cut off the access from our zip ties to clean up the install look. Now that we're back underneath the hood we'll need to hook up the power wire for our gauge line. To do this we'll remove the cover for our fuse box. We'll sit it aside and locate a circuit that we're able to tap into with our fuse tap, creating two power sources from one fuse location. We're going to go ahead and use the tinfoil location that we can find by reviewing the owners manual or looking on the fuse box cover. The tinfoil location will provide us with plenty of supplemental power and will only be powered with the key on. Now that we've identified the fuse that we can use we can go ahead and remove the fuse. We'll take the fuse that we removed from the manufacturers location and install it to the bottom port of the fuse tap. Then install the fuse tap. We can go ahead and cut our power wire to length, stripe it back and add it to the butt connector of the fuse tap. With that completed we'll go ahead and reinstall the fuse box cover. Next we'll take the power wire from our wiring harness and relay and route it over to the battery. Following the previous routing and the manufacturers wiring over to the battery, securing with the zip ties provided with our install kit. Now that we;re at the battery you can see we have some access wire, however, we do not want to cut it off as this power wire has an inline fuse holder free installed. We'll go ahead wrap up any extra and secure the wiring here with the manufacturers wire. Then we can stripe back the end of our power wire and add a ring terminal. Then removing the positive battery terminal post cover we'll use one of the manufacturers terminal stud by removing the nut, installing our ring terminal and then re securing it. Now we'll finish securing our power wire to the manufacturers wiring. With that done we'll clean up our install look and go back clean up any access with zip ties where we secured our wiring. Now moving back over to the compressor we'll need to install the filter line. This will be a line that'll go from the compressor nipple to the air filter for the compressor. Let's go ahead and get an idea how long of a line we'll need. We'll cut off any access and then once again we'll need to soak the hose in order to install it onto the barb fitting. While our lines soaking we can then go ahead and take the barb fitting and install it onto the filter. This is a metal fitting onto a plastic filter so be very careful not to break it while installing it. Typically hand tight will be tight enough. All right, now we're ready to go ahead and install the line. We'll push the line over the nipple on the compressor and then over the barb fitting on the air filter. Nest I'll go ahead and take a couple of zip ties and secure the air filter to the inner fender well. With that it'll complete our install and now we can go over the operation of our new air bag setup. First we'll install the key into the ignition turning into the on or start position. As you'll notice the light will come on for our gauge. We can go ahead and begin installing air into the air bag by pushing up on the switch, filling up the air bag. Now that we're completed using our air bag setup to let the air back out we'll simply press down on our switch which will release the air from the air bag. Note the manufacturer recommends to keep a minimum of 10 psi in the air bag at all time. That does it for the install of the Firestone level command two single gauge with standard duty compressor, part number F2158, on our 2011 Chevy Silverado.


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