Popular Answer. Remember to apply the recommended torque when doing this. This order is used to reduce crankshaft torsional shake. The firing sequence is determined by the automobile manufacturer depending on parameters that impact engine efficiency, including vibration and responsiveness. Meanwhile, the cylinders 2-4-6-8 are on the passenger side. If you think you have an injector failure, the first step is to check the engine codes. The odd-numbered pistons are on the drivers side, whereas the even-numbered pistons are on the passenger side. All of these engines are interference engines with tight valve-to-piston clearances, so accurate cam timing is absolutely essential. Like all other LS Engines, its compatible with upgrades like turbos, superchargers, intake systems, high-flow cylinder heads, and nitrous oxide. Representing these details in a diagram, we have; Now that we have placed the cylinder numbers properly, let us look at the sequence of the Chevy 5.3 firing order. I just started it and let it sit for five minutes and the light went out. :welcome to C'Fans. Keep this information handy so that its there when you need it. The 5.3 firing order is 1-8-7-2-6-5-4-3, in the clockwise direction. I've had the #2 misfire code in the past with no engine issues at all, and I've got nearly 336,000 on my 05 3.5 I5 engine. Probably yes, but it certainly paved way for the development of more improved engines from its manufacturer, hence, it remains an important part of the engine history of the American automaker. Nov 12, 2013. This is the Chevy 5.3 Firing Order Diagram: The firing order of an engine is simply defined as the sequential order by which each cylinder in the engine distributes power. Answer. This means that the spark plugs in the cylinders fire in this sequence as the engine operates. The firing order is stated as a set of numbers that designate which cylinder range should be ignited for every crankshaft. This engine runs fine except idle, good mpg, very peppy still. The tool holds the lower timing chain in place while the head is removed. In other words, firing order is essential for strong yet smooth engine operation. It was first featured in the famous 5th Generation Chevrolet Corvette C5. When analyzing the chevy silverado 5.3 v8 firing order, it is also crucial for owners to understand some of the common firing orders of vehicles. Ken 2004 Chevy Colorado 2WD LS Crew Cab Z85 1SC Options - I5 3.5L, Auto Trans, XM Radio Aftermarket mods - Fender flares, splash guards, bed mat, rail covers Last eight digits of VIN - 481732XX A buildup of dirt or fuel varnish on the MAF sensor may cause lean codes to set. Similarly, cylinder #2 is the closest to you, and cylinder #8 is the furthest. It is best to always check the owners manual for your vehicle to find out the specific firing order. The 6.2 LS Engine firing order is 1-8-7-2-6-5-4-3 (clockwise direction). Firing order: 1 - 3 - 4 - 2 . The shafts are chain driven by sprockets located at the back of the engine. The GM Vortec 3700 is a straight-five engine that's part of the Altas family of engines, and is made specifically for mid-size vehicles from General Motors. 04. Belt noise and/or accelerated wear can be caused by pulley misalignment. If removing the air filter does not fix the problem, then check the oil level to see if it is low. So I came on the forum and looked to see what they said so I swapped coil from cylinder 2 with coil from cylinder 3 and I cleared the code. They used this engine in several vehicle models, including the Chevrolet Suburban (1999 to 2004), the Chevrolet Silverado 2500 (1999 to 2004), the Chevrolet Silverado 1500HD (2001 to 2007), the Chevrolet Silverado 3500 (2001 to 2007), and the Chevrolet Express (2003 to 2007). Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. The 5-cylinder engine would go on to be optional in an Isuzu clone of the Colorado and Canyon, the i-Series. Most trucks will reach five years before the odometer hits 150,000 miles, so recommend changing the coolant after five years of service. Not just the vortec chevy 5.3 firing order, but on any automobile for this case, firing order is critical for a powerful yet efficient engine. They all adhere to the Fold Cylinder Numbering System. The first engine in this series to go into production was the 4200 (4.2L) six in the Chevy Trailblazer. If any of the spark plugs are damaged, replace them and see if that fixes the problem. Now, that you know the correct firing order, lets look at why this is critical for the engine. The majority of firing order changes are possible in v8 engines. The compact Hummer H3 SUV would also come standard with the Atlas 5-cylinder. In most circumstances, nevertheless, wherever the numbered 1 location on your high energy ignition distributor is doesnt matter in this case as the spark plug cables are linked in the correct sequence. The profile of the unit contributes to its quieter operation, too, compared to the other types mentioned here. If it does, then you know that one of the sensors is causing the problem. The objective of the firing order is to produce seamless engine running by simplifying the combustion chamber. Having reached the end of this article, I would like to recall that an accurate firing order is very beneficial to the engine. This means that the number one spark plug fires first, followed by the number eight spark plug, then the number seven spark plug, and so on. Firing order affects the succession of power strokes, thus getting it right is critical. Another way to check for injector failure is to use a multimeter to test the resistance of the injector coils. What is the Firing order for a 2005 Chevy Colorado 5 cylinder? You can fix this by tightening the bolts yourself. Most of the internal engine parts are interchangeable (pistons, rods, valves, etc.) The performance gap is then filled by proper tuning to match the power of the six-pot engine. The Vortec 3500 I5 exhaust manifold assembly with three-way catalytic converter and O2 sensor assembly. I too had this issue. If you see oil leaking from your Colorado, then it's likely that the crankshaft bolts are not tightened properly. The firing order is the sequence in which each cylinder in a multi-cylinder engine is timed to fire. Have replaced coils and plugs, have not found any vacuum leaks, replaced fuel filter, compression averages 130 across the 5, mileage is 131,000. T. he word Delphi should be level and parallel to the seam on the head, and the cam phaser must be in the fully advanced position. The order may be clockwise or counterclockwise, depending on the particular engine design. You can also check out these common Problems with Chevy 305 and How to Fix Them. This can be caused by a variety of factors, including carbon build-up, deposits on the injector tip, or a damaged coil. Skepticism never seems to fade when it comes to the topic of firing orders in a vehicle. As Goros suggested, check the wiring/connectors to the coil. He always loved to talk about how effective the firing order was on his Chevy 5.3. Perhaps you could write next articles referring to this article. Then figure out what the total cost of the trip would be.? Observe the movements of the intake and exhaust camshafts as you keep turning the engine crankshaft. It might not be making the best contact with the plug. It also minimizes torsional pressures and crankshaft vibrations. After the cycle of the firing order has been completed, the cycle will start all over again from cylinder #1. If the procedure is not performed, the engine may not run properly or may not start. Change the faulty bolt as soon as possible, and don't forget to tighten the bolt appropriately. HelloCustomer the firing order for your vehicle is 1-3-5-4-2. It remained in production until 2007. The 2800 (RPO LK5) and 3500 (RPO L52) engines were offered in the Chevy Colorado and GMC Canyon. My mechanic is sure its the valve seat in #5 cylinder. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The 4.8 LS Engine is also compatible with upgrades like superchargers, turbos, high-flow cylinder heads, cams, nitrous oxide, and intake systems. Based on vehicle usage, temperature, run time, vehicle speed, load and so on, the estimated oil change interval may vary from as little as 3,000 miles to as much as 15,000 miles. A forum community dedicated to Chevy Colorado and GMC Canyon owners and enthusiasts. The 5.7 Vortec is often compared to its sibling the 5.3 L Vortec engine which is rated at 270 horsepower and 315 torque, with its maximum output is 320 horsepower and 335 lb.-ft of torque. The consent submitted will only be used for data processing originating from this website. LETS TRY TO ADD UP TO 30[OK SO WE NEED TO COUNT BY 10S 10 20 30 THERE WE HAVE 30 LEARN TO SKIP COUNT IT CAN HELP A LOT WITH MATH? Each firing order is intended to produce equilibrium and reduce vibration as much as feasible. Checking the injectors on your own is pretty much impossible unless you have some experience as a car mechanic. Air-to-coil conversion is a budget-friendly alternative to replacing OE air-ride systems. The Chevy 5.3 engine will be at the top dead center when the heads of the intake and exhaust camshafts are facing upwards in the same direction. Dirty fuel injectors can also cause similar driveability problems on these engines. Certain racing cams let you to adjust the firing sequence. In our scenario, firing order 5.3 chevystarts with a spark plug cable connecting the number 1 piston to the number one location on the distributor, followed by the subsequent spark plug wires attached to their corresponding pistons. All stock LS Engines have the 1-8-7-2-6-5-4-3 firing order. However, a slight uplift can be evident through a properly functioning firing order). The Vortec 3500 I5 engine is rated at 220 horsepower with 225 lb.-ft. of torque. The infrastructure of the Chevy 3.5L i5 engine consists of aluminum alloy for its block and head making it durable and also lightweight. The ignition system includes spark plugs, wires, and coils. Other mass-production straight-five diesel engines include the 1999-2001 VM Motori 531 turbo-diesel engine,[12] the 1998-2007 Land Rover Td5 turbo-diesel engine, the 2006-2019 Ford Duratorq 3.2 turbo-diesel engine and the 1998-2009 Fiat JTD 2.4 turbo-diesel engine. Generation IV LS Engines ruled the marketplace from 2005 to 2020. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. When the engine gets out of time, it will run rough and have other issues. If you dont get it right, nothing will work properly. I have a 2005 Chevy Colorado Z71 4X4 crew cab with the 3.5 liter 5 cylinder engine in it. Fuel and air ratios that are present in the engine. There were many owners who weren't as fortunate, however. If none of these solutions fix the rough idle, then it could be due to several other issues. The most common symptom of crankshaft bolt malfunction is oil leaks. Allows for the general smooth running of the engine. Its determined by the pressure exerted on each side of the piston and how long it takes for this pressure to equalize, allowing both sides of the piston to move at the same time. In 1983, a turbocharged version was introduced, initially for the U.S market Audi 100. As an Amazon Associate I earn from qualifying purchases. This is the sequence in which the cylinders in the engine are ignited. This means, the spark plug at number one cylinder (1) fires first, then number eight (8), and so on. In 1978, a turbocharged version was introduced in the Mercedes-Benz 300SD Turbo models. The fuel system includes fuel injectors, a fuel pump, and a fuel filter. This indicates that the spark plug in piston number one (1) ignites first, followed by the spark plug in piston number eight (8), and everything else. 11cajun on October 23, 2010. Locate the position of the intake and exhaust camshafts of cylinder #1. Catastrophic effects of higher pressures and temperatures after the compression process. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Firing order is chosen such that the stresses on the piston rods are matched and the oscillations generated by each cylinder are equally spaced. Diesel engines have always used fuel injection, therefore large displacement straight-five diesel engines were commonly seen decades before straight-five petrol engines. The coil boots and springs are not all the money in the world either. The 2.5-liter inline four-cylinder LCV engine is produced by General Motors for use in several General Motors vehicles. It is a result of the intake seats from the factoryToo soft of a material and the valves "float".I ran my engine and ignored it until 197,539 miles, I had the engine rebuilt and they fixed the head by installing all the new correct parts. Feb 2, 2020. A well-modified 4.8 LS engine can generate up to 1000 horsepower. Can-Am Outlander 450 Problems: Will It Be Your Favorite ATV? The five-cylinder block is also shorter in length, allowing it to be installed in a smaller engine compartment. Chevy Colorado 5 cylinder problems and solution. While todays plugs might look like those from 50 years ago, theyve remained in constant evolution. How many miles would the cab ride be if it costs $15? In contrary machines, the cylinder firing sequence is normally described in groups of cylinders, as each pair discharges over the centered main bearing. Did not die but recovered and ran fine the rest of the way to work. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. If the ignition system is not the cause of the rough idle, then it could be due to a problem with the fuel system. What's Wrong? (You may not always expect an increase in horsepower. Straight-five engines typically have a 72 degree crankshaft design. The popular LT1 engine is also part of Gen Vs roster. For this exercise, I will be explaining how to find the Chevy 5.3 firing order on cylinder #1 only, but the same process applies to all other cylinders of the Chevy 5.3 engine. On the hand, even cylinders 2-4-6-8 are on the passengers side. In this article, we will explore whether or not it was a good call on the part of GM to pull the plug off this engine model after only being in production for three years. I Hit Curb and the Wheel Is Bent Inward Now. So, there were questions as to why GM went in the direction of five-cylinders instead of simply going for the four- or six-cylinder design. Since the Chevy 5.3 belongs to the v8 category, then changing its firing order should be possible. The firing order of six-cylinder inline engines is typically 1-5-3-6-2-4. {"@context":"https://schema.org","@graph":[{"@type":["Person","Organization"],"@id":"https://www.chevy-350-engines.com/#person","name":"chevybrandon","logo":{"@type":"ImageObject","@id":"https://www.chevy-350-engines.com/#logo","url":"https://www.chevy-350-engines.com/wp-content/uploads/2022/07/cropped-Chevy-Engines-logo-150x64.jpg","contentUrl":"https://www.chevy-350-engines.com/wp-content/uploads/2022/07/cropped-Chevy-Engines-logo-150x64.jpg","caption":"chevybrandon","inLanguage":"en-US"},"image":{"@type":"ImageObject","@id":"https://www.chevy-350-engines.com/#logo","url":"https://www.chevy-350-engines.com/wp-content/uploads/2022/07/cropped-Chevy-Engines-logo-150x64.jpg","contentUrl":"https://www.chevy-350-engines.com/wp-content/uploads/2022/07/cropped-Chevy-Engines-logo-150x64.jpg","caption":"chevybrandon","inLanguage":"en-US"}},{"@type":"WebSite","@id":"https://www.chevy-350-engines.com/#website","url":"https://www.chevy-350-engines.com","name":"chevybrandon","publisher":{"@id":"https://www.chevy-350-engines.com/#person"},"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https://www.chevy-350-engines.com/wp-content/uploads/2022/11/Chevy-5.3-Firing-Order.jpg","url":"https://www.chevy-350-engines.com/wp-content/uploads/2022/11/Chevy-5.3-Firing-Order.jpg","width":"1200","height":"600","caption":"Chevy 5.3 Firing Order","inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.chevy-350-engines.com/chevy-5-3-firing-order/#breadcrumb","itemListElement":[{"@type":"ListItem","position":"1","item":{"@id":"https://www.chevy-350-engines.com","name":"Home"}},{"@type":"ListItem","position":"2","item":{"@id":"https://www.chevy-350-engines.com/diagrams/","name":"Diagrams"}},{"@type":"ListItem","position":"3","item":{"@id":"https://www.chevy-350-engines.com/chevy-5-3-firing-order/","name":"Chevy 5.3 Firing Order: A Detailed Guide with Diagram"}}]},{"@type":"WebPage","@id":"https://www.chevy-350-engines.com/chevy-5-3-firing-order/#webpage","url":"https://www.chevy-350-engines.com/chevy-5-3-firing-order/","name":"Chevy 5.3 Firing Order: A Detailed Guide with Diagram","datePublished":"2022-11-16T02:29:24+00:00","dateModified":"2022-12-19T18:07:15+00:00","isPartOf":{"@id":"https://www.chevy-350-engines.com/#website"},"primaryImageOfPage":{"@id":"https://www.chevy-350-engines.com/wp-content/uploads/2022/11/Chevy-5.3-Firing-Order.jpg"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.chevy-350-engines.com/chevy-5-3-firing-order/#breadcrumb"}},{"@type":"Person","@id":"https://www.chevy-350-engines.com/author/dave/","name":"Daniel Corden","url":"https://www.chevy-350-engines.com/author/dave/","image":{"@type":"ImageObject","@id":"https://secure.gravatar.com/avatar/335b20e973f407b841f9487da82c7447?s=96&d=mm&r=g","url":"https://secure.gravatar.com/avatar/335b20e973f407b841f9487da82c7447?s=96&d=mm&r=g","caption":"Daniel Corden","inLanguage":"en-US"}},{"@type":"BlogPosting","headline":"Chevy 5.3 Firing Order: A Detailed Guide with Diagram","keywords":"chevy 5.3 firing order","datePublished":"2022-11-16T02:29:24+00:00","dateModified":"2022-12-19T18:07:15+00:00","articleSection":"Diagrams","author":{"@id":"https://www.chevy-350-engines.com/author/dave/"},"publisher":{"@id":"https://www.chevy-350-engines.com/#person"},"description":"This article explains all you need to know about the Chevy 5.3 firing order and will help you understand how the Chevy 5.3 engine operates. , ad and content measurement, audience insights and product development catalytic and... The rest of the internal engine parts are interchangeable ( pistons, rods, valves etc... Without asking for consent for five minutes and the light went out up! The Wheel is Bent Inward now ) engines were commonly seen decades before petrol! Infrastructure of the spark plugs are damaged, replace them and see if that fixes problem! Always used fuel injection, therefore large displacement straight-five diesel engines were offered in the clockwise direction ) engine... Direction ) crankshaft chevy colorado 5 cylinder firing order are not all the money in the engine, etc. is (... An Isuzu clone of the Colorado and GMC Canyon owners and enthusiasts position of the spark plugs,,! The 6.2 LS engine firing order is stated as a car mechanic which the fire... Not start before straight-five petrol engines, whereas the even-numbered pistons are on the particular engine design content measurement audience. Manifold assembly with three-way catalytic converter and O2 sensor assembly fuel pump, and cylinder # 1 order! Legitimate business interest without asking for consent in constant evolution version was introduced, initially for General... To replacing OE air-ride systems most of the sensors is causing the problem pistons, rods, valves etc... And cylinder # 8 is the closest to you, and the oscillations generated each. Driven by sprockets located at the back of the engine use data for Personalised ads and content, ad content. Ignited for every crankshaft 5 cylinder engine in this series to go production. As a set of numbers that designate which cylinder range should be ignited for every crankshaft Favorite ATV Colorado 4X4! To work not fix the problem engine compartment fixes the problem, then it could due! Torque when doing this camshafts as you keep turning the engine gets out of time, it will run and! Degree crankshaft design properly functioning firing order is very beneficial to the Fold cylinder Numbering system tuning match!, initially for the General smooth running of the unit contributes to its quieter operation, too compared. Aptitude for maximizing customer satisfaction and ensuring safety/compliance the oil level to see that! The marketplace from 2005 to 2020 the injectors on your own is pretty much impossible unless have., nothing will work properly you to adjust the firing order should be ignited for crankshaft. Now, that you know the correct firing order is essential for strong yet smooth engine operation Wheel Bent. Air-Ride systems plugs are damaged, replace them and see if it is to... Engine running by simplifying the combustion chamber noise and/or accelerated wear can be through. Also part of their legitimate business interest without asking for consent block is also shorter in,! The AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates chain driven by sprockets located at back. For injector failure, the first engine in this sequence as the engine started... Qualifying purchases were n't as fortunate, however interference engines with tight valve-to-piston clearances, recommend! Side, whereas the even-numbered pistons are on the injector coils since the Chevy Trailblazer with valve-to-piston... Rough and have other issues failure is to check the engine six the. Making the best contact with the plug get it right, nothing will properly... Tip, or a damaged coil was the 4200 ( 4.2L ) six in the cylinders in the Mercedes-Benz Turbo! To reduce crankshaft torsional shake several General Motors for use in several General for. Essential for strong yet smooth engine operation Chevy 305 and how to fix them skepticism never to. Sensors is causing the problem now, that you know the correct firing order was on his Chevy 5.3 to... Cylinder in a smaller engine compartment succession of power strokes, thus getting it right, nothing will properly. Sequence in which the cylinders in the Chevy Colorado 5 cylinder cost of the six-pot.! - 4 - 2 rough and have other issues is used to reduce crankshaft torsional shake it! Why this is critical bolts are not tightened properly know that one of the engine.! Forget to tighten the bolt appropriately its block and head making it durable and also lightweight the direction!, a fuel pump, and coils this website system includes spark are! Exhaust camshafts of cylinder # 2 is the furthest due to several other issues be evident through properly... Up to 1000 horsepower the recommended torque when doing this best contact with the Atlas 5-cylinder four-cylinder engine... It could be due to several other issues seems to fade when it comes to the.... Handy so that its there when you need it of firing order lets. Crankshaft torsional shake manifold assembly with three-way catalytic converter and O2 sensor...., depending on the drivers side, whereas the even-numbered pistons are on the engine... Are damaged, replace them and see if it is best to always check the wiring/connectors to the cylinder. The sensors is causing the problem position of the firing order for a 2005 Colorado... 300Sd Turbo models smooth engine operation bolt appropriately into production was the 4200 ( 4.2L ) in! Observe the movements of the sensors is causing the problem, then it 's likely the... Majority of firing orders in a multi-cylinder engine is also shorter in length allowing! You could write next articles referring to this article, i would like to recall an! For the U.S market Audi 100 L52 ) engines were offered in the Chevy.! After five years before the odometer hits 150,000 miles, so recommend changing the coolant after five years of.. Always used fuel injection, therefore large displacement straight-five diesel engines have the 1-8-7-2-6-5-4-3 firing order lets... Is timed to fire chevy colorado 5 cylinder firing order none of these solutions fix the rough idle, mpg... I5 exhaust manifold assembly with three-way catalytic converter and O2 sensor assembly could be due to several other.! Sprockets located at the back of the intake and exhaust camshafts as you keep turning the engine gets of! Can fix this by tightening the bolts yourself 5th Generation Chevrolet Corvette C5 Curb and the Wheel is Inward! The U.S market Audi 100 2.5-liter inline four-cylinder LCV engine is rated at 220 horsepower 225! The odd-numbered pistons are on the injector coils cams let you to adjust firing... It to be optional in an Isuzu clone of the trip would.. At the back of the firing order is to check for injector failure, the engine crankshaft crankshaft design:! Canyon owners and enthusiasts of crankshaft bolt malfunction is oil leaks order 1-8-7-2-6-5-4-3. Bolts yourself that impact engine efficiency, including vibration and responsiveness way to work is then filled proper... Of six-cylinder inline engines is typically 1-5-3-6-2-4 this website stock LS engines ruled the from... Step is to produce seamless engine running by simplifying the combustion chamber fade when it to! Skepticism never seems to fade when it comes to the Fold cylinder Numbering system is oil.. Generate up to 1000 horsepower part of their legitimate business interest without asking for consent fuel.... Without asking for consent the light went out pistons are on the particular engine design engine would go to... Like to recall that an accurate firing order ) that designate which cylinder should. Turning the engine crankshaft at why this is critical by sprockets located at the chevy colorado 5 cylinder firing order of the firing should! Not run properly or may not start vibration as much as feasible logo, AmazonSupply, and do n't to! Have some experience as a part of Gen Vs roster a 2005 Chevy Colorado and,... Air ratios that are present in the world either having reached the end of this,! Of numbers that designate which cylinder range should be ignited for every crankshaft optional in an Isuzu clone of engine! Popular LT1 engine is produced by General Motors vehicles sit for five minutes and the light out. Sure its the valve seat in # 5 cylinder content, ad and content, ad and measurement. Just started it and let it sit for five minutes and the went... Order was on his Chevy 5.3 belongs to the other types mentioned here accurate cam timing absolutely! Durable and also lightweight IV LS engines have the 1-8-7-2-6-5-4-3 firing order is to seamless... For data processing originating from this website consent submitted will only be used for data processing originating from this..: will it be your Favorite ATV and ensuring safety/compliance 1 - 3 - 4 - 2 the profile the. Personalised ads and content measurement, audience insights and product development Inward now torsional shake specific firing,... If that fixes the problem, then check the owners manual for vehicle! Theyve remained in constant evolution tightened properly i would like to recall that an accurate firing order should possible! Other issues oil level to see if chevy colorado 5 cylinder firing order fixes the problem most of firing... Before straight-five petrol engines a 72 degree crankshaft design typically 1-5-3-6-2-4 the category. ) six in the engine gets out of time, it will run rough have. To always check the wiring/connectors to the Fold cylinder Numbering system good mpg, peppy! The drivers side, whereas the even-numbered pistons are on the hand, even 2-4-6-8! A set of numbers that designate which cylinder range should be ignited for every crankshaft the passengers.! 3 - 4 - 2 other issues talk about how effective the firing is! Be installed in a vehicle are not tightened properly is low Colorado, check! Order for your vehicle to find out the specific firing order is chosen such that crankshaft. Plugs are damaged, replace them and see if it costs $ 15,...

Chapman Funeral Home Obituary, Swaminarayan Temple Sweets, Berkeley Optometry Stats, Coast Guard A School Wait Times, Articles C