a. Yes; reconnect the EGR valve actuator pull rod to the EGR valve and EGR actuator. Clear codes and retest vehicle. If fault returns, Go to step 28. b. No; replace the EGR valve. For the DD13: Refer to section "Removal of the Exhaust Manifold". For the DD15 and DD16: Refer to section "Removal of the DD15 and DD16 Exhaust Gas Recirculation ...Identify the root cause before replacing. If possible, check the movement of the valve stem at 1500 to 2000 rpm. The valve stem should move if the valve is functioning correctly – if not, and there’s vacuum, there’s a fault. Apply vacuum directly to the EGR valve using either a hand vacuum pump or scan tool depending on the type of EGR valve.DT12 trans/clutch relearn procedure... 3 Chaz Trimble 1,360 posts since Feb 2, 2015 Re: DT12 trans/clutch relearn procedure fails Jul 10, 2020 4:04 AMTroubleshooting the Turbo-System. Turbocharging problems seem to be among the most elusive for A&Ps to find and fix, at least judging from the feedback we get from aircraft owners. The keys to success include having a thorough understanding of the system, knowing the symptoms that often can be tip-offs to what's wrong, and using a …That's why removing the actuator is a good place to start. If you've got a turbo that moves normally, then it's probably an issue with the actuator, if not, you're likely going to want to replace the turbo, and possibly the actuator as well. Other VGT Turbo Problems. If it is your turbo that has failed, you're going to want to figure out what's ...Turbocharger Assembly (Electronically Controlled), Replace MODIFICATIONS TO EXISTING LABOR OPERATION A12-1051X 10.3 8.2 8/10/2015 Skeleton (Short Block) Service Engine Parts (V Engines), Tra MODIFICATIONS TO EXISTING LABOR OPERATION A121051X 20 3.5 3.53/9/2015 Stripped (Long Block) Service Engine Parts …For Detroit Turbo Wastegate Actuator DD13 DD15 Turbo Freightliner. Condition: New. Quantity: More than 10 available 17 sold / See feedback. Price: US $175.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit *.First do the calibrate with the actuator off the turbo. Make sure the turbo arm is all the way clockwise for install. Then install the actuator and do the install on Insite. Its fairly self explanatory once you get to the VGT actuator page on Insite. Nah, no calibrate on the coolant level sensor.The turbo actuator does a simple but vital job – it acts as a pressure relief valve that controls the boost output of your turbo, diverting excess exhaust gases away from the turbine wheel. This controls the speed of the turbine, preventing it from over-speeding, and regulating the speed of the compressor. Ultimately, this helps to protect ...Remanufactured Detroit Diesel DD15 Turbocharger HX55 5358027. $ 850.00. On backorder - usually ships within 2 to 3 business days. Refundable Core Deposit *. 1x Remanufactured Detroit Diesel DD15 Turbocharger HX55 5358027. $850.00.Turn the ignition OFF. 12. Inspect the wastegate actuator and the plumbing to and from the actuator. Verify wastegate linkage. ... Refer to section "Removal of the GHG14 DD15 Asymmetrical Turbocharger Wastegate Solenoid" . ... I would recommend attemppting to find a known good one from another truck with the same symptoms or having yours ...The VGT uses an actuator to control the position of a set of vanes within the turbo. These vanes can be adjusted to optimize the flow of exhaust gases through the turbo, and therefore the amount of boost that is produced. On a Cummins ISX engine, the VGT and actuator are located on the exhaust side of the engine.DD15 2 Re: It's still TICKING... DD15 Apr 7, 2020 12:03 PM Yes, this was done during the initial inspection - prior to replacement of the rocker arm & rockers Jon Cecil 887 posts since Nov 25, 2014 Re: It's still TICKING... DD15 Apr 7, 2020 1:21 PM If Jason is correct with an exhaust leak, remove the EGR actuator rod and manually move the flap ... Failure to follow these instructions will result in inaccurate diagnosis of the actuator or the turbocharger. 17. Measure the resistance between pins 3 and 4 of the turbo actuator harness connector. [a] If the resistance is less than 10K ohms, repair the short in the harness between pins 3 and 4 of the turbo actuator harness connector.In this video I share my knowledge about the turbo wastegate actuator. If the wastegate actuator is bad, it can cause severe damage to the engine.Wastegate a...TURBO CHARGER. INJECTOR. TURBO CHARGER. WARNING： This product contains chemicals known to the state of California to cause cancer and birth defects or reproductive harm.Nov 30, 2014 · OK, so here is another update: 1.Vpod changed. Same thing. 2.Crank, Camshaft sensors changed. 3. All sensors on intake manifold changed. 4. Turbo was new 40k miles ago. Turbocharger Assembly (Electronically Controlled), Replace MODIFICATIONS TO EXISTING LABOR OPERATION A12-1051X 10.3 8.2 8/10/2015 Skeleton (Short Block) Service Engine Parts (V Engines), Tra MODIFICATIONS TO EXISTING LABOR OPERATION A121051X 20 3.5 3.53/9/2015 Stripped (Long Block) Service Engine Parts …About Your Turbocharger. The main goal of a turbo is to give your engine more power by using exhaust gas to power its turbine. This forces air into the combustion chamber. Without the turbo, your engine would have a lot less power. It also has a lot of moving components, which creates opportunities for failure. Symptoms of Problems in Your TurboReplacing a leaking EGR actuator on a DD15. Simple and easy way to remove and install an EGR actuator. Although depending on the year, the actuator will need...Detroit. Engine Model. DD15. DD15 EGR Valve Actuator, A4731500594, A4731500494 All EGR Valve Actuators sold with a 30 day... 1-877-781-7766. Email Seller. Text Seller More Details.Wastegate Actuator For Detroit DD15 TURBO WASTEGATE ACTUATOR Replacement Part. Unsold See similar items $96.17 Buy It Now or Best Offer, FREE Shipping, 30-Day Returns, eBay Money Back Guarantee. Seller: withyoushopping ️ (9,024) 97.4%, Location: jinhua, CN, Ships to: WORLDWIDE, Item: 304743860305 Wastegate Actuator For …problem, or a problem with symptoms but no diagnostic codes. Use this and the response as a guideline. Refer to Questionnaire Response Guidelinefound on page 1–6. 1. How often does the problem occur? Can you and the driver take the vehicle and demonstrate the problem in less than 30 minutes? 2. Has the vehicle been to other shops for the same ...2015 – 2021. Freightliner Cascadia Truck (Class 3-8) Detroit Diesel DD15 14.8L 455-560HP. This is a New Aftermarket Detroit Diesel DD15 A4720901480 / RA4720901480 turbocharger. We stand behind our products with a Full 1 Year Warranty Unlimited Mileage, if in the rare case you were to run into any problems with this high-quality New ...3 Cleaning of the Turbo Compound DD15 and DD16 Exhaust Gas Recirculation Systems 1. EGR Venturi 2. Bolt 3. Gasket 4. Bolt 5. Exhaust Gas Crossover Tube 6. Bolt 7. Lifting Bracket 8. Connecting Tube ... Turbocharger Exhaust Gas Recirculation Valve Actuator Pull Rod" 2. Remove the EGR Valve/Hot Pipe. Refer to section "Removal of the GHG14 …Detroit DD15 New HX55 Turbo 3768075 A4720961699 （No Wastegate/Actuator） Visit the ALL STATES DP Store. 5.0 5.0 out of 5 stars 1 rating | 5 answered questions $ 1,200. 00. Purchase options and add-ons . 100% brand new turbocharger ; Detroit Diesel Truck with DD15 Engine ;Its turbocharger and hollowed-out dual overhead camshafts work in tandem to make your DD15 diesel truck engine rev up faster and accelerate quicker than older Detroit engine models. This gives the engine incredible performance. Lower running costs. The engineering behind the Detroit DD15 engine is designed to make maintenance easy and affordable.It's more likely an issue with the actuator itself. That's why removing the actuator is a good place to start. If you've got a turbo that moves normally, then it's probably an issue with the actuator, if not, you're likely going to want to replace the turbo, and possibly the actuator as well. problem, or a problem with symptoms but no diagnostic codes. Use this and the response as a guideline. Refer to Questionnaire Response Guidelinefound on page 1–6. 1. How often does the problem occur? Can you and the driver take the vehicle and demonstrate the problem in less than 30 minutes? 2. Has the vehicle been to other shops for the same ...2. Poor Drivability. A failing camshaft position sensor begins losing its ability to quickly transfer data. Mismatched fuel delivery and ignition timing, even if off by a few milliseconds, will cause your vehicle to sputter, accelerate poorly, lack power, stall or even shut off. 3.The AHI module’s purpose is to regulate and control the amount of fuel that goes to the 7th injector during the DPF regeneration process. The AHI module goes through various self-checks during the operation of the engine. If the system detects an issue, it will automatically cause an active fault code related to the AHI module or 7th injector.a. Yes; replace turbocharger. Refer to section "Removal of the DD13 Turbocharger". Refer to section "Removal of the DD15 and the DD16 Turbocharger". b. No; replace the MCM. Refer to section "Removal of the Motor Control Module".” It seems that replacing the MCM is the last ditch effort to resolve this problem and be able to clear this code.Some Main Causes of Failure. Your issues might be caused by a damaged housing. Or, you might have carbon or debris that knocked loose and damaged the fins. It's also possible that you have failed bearings causing the turbo blades to rub the inside of the housing. A loss of pressure could be caused by an air leak.Oct 20, 2022 · Your electrician can probably best advise you on this. ladybrowncoat. AddThis Utility Frame. Home /. Air Controls /. Air Control Accessories /.A loud whining noise is among the first sign of a DD15 fuel pump issue. When operating, an old or damaged fuel pump may make an audible whine or scream. During routine functioning, most fuel pumps may emit a low hum; however, a loud whine emanating from your vehicle's fuel tank is typically a symptom of trouble.103 Engine Turbocharger 1 Speed 104 Engine Turbocharger Lube Oil Pressure 1 105 Engine Intake Manifold 1 Temperature ... 619 Parking Brake Actuator 620 5 Volts DC Supply (Obsolete) 621 Antenna Electronics 622 J1922 623 Red Stop Lamp 624 Amber Warning Lamp 625 Proprietary Network #1Online Shopping at a cheapest price for Automotive, Phones & Accessories, Computers & Electronics, Fashion, Beauty & Health, Home & Garden, Toys & Sports, Weddings & Events and more; just about anything else Enjoy Free Shipping Worldwide! Limited Time …Excessive Exhaust Smoke. You can tell a lot from exhaust smoke and a faulty turbo will cause excessive exhaust smoke of a range of colors. Increased Oil Consumption. If you are noticing your car using more oil, this could be a sign that your turbo is leaking oil and leaking into the manifold. Engine Management Light.Potential causes of turbo noise include: • Boost/air/vacuum leak – either on your engine intake, or your intercooler. • Compressor wheel damage. • Split hoses. • Over boosting (potentially caused by a wastegate fault) or poor remap. Thankfully, these problems are rarely terminal, and can be repaired/resolved by a competent turbo ...Tools needed,17mm wrench13mm shallow socketLong extension Ratchet 1/4 or 3/8 whatever sockets you use13mm deep socket5mm Allen wrench or socketHose cuttersNe...Turn the ignition OFF. 12. Inspect the wastegate actuator and the plumbing to and from the actuator. Verify wastegate linkage. ... Refer to section "Removal of the GHG14 DD15 Asymmetrical Turbocharger Wastegate Solenoid" . ... I would recommend attemppting to find a known good one from another truck with the same symptoms or having yours ...2. Install the turbocharger flanged exhaust manifold (5) with new nuts (1) to the turbocharger. Torque to 50 N•m (37 lb•ft). 3. Using a new spherical clamp (4), connect the OEM exhaust bellows to the flanged exhaust manifold (5). Torque clamp bolt to 12 N•m (9 lb•ft). 4.A “sloppy” or rough idle can be caused by one of several things. One of the reasons that your truck may have a rough idle is due to a defective EGR valve that is stuck in the open or closed position. 2. Excessive Smoke. Modern diesel engines produce next to no smoke. Coal rolling, locomotive-like engines are now a thing of the past.Overspeeding is a term used when a turbo is operating well above its normal operating limits. If there are any leaks, cracks or poor seals between the compressor and the engine, the turbo will have to work much harder than it should to deliver the required air levels to the engine. ... (Simple Rotary Electronic Actuator) for the wastegate or ...DD5™ DD8™ DD13® DD15® DD16® Legacy Engines Detroit Engines Detroit Engines Mean Powerful Business. Detroit ® engines perform at their peak for miles and miles, with best-in-class fuel economy and low-cost maintenance and service. Every step of our design, testing and manufacturing process builds quality into every engine that bears the Detroit …Title: Scanned DocumentThe turbo actuator does a simple but vital job – it acts as a pressure relief valve that controls the boost output of your turbo, diverting excess exhaust gases away from the turbine wheel. This controls the speed of the turbine, preventing it from over-speeding, and regulating the speed of the compressor. Ultimately, this helps to protect ...May 31, 2023 · Upgrade Turbo Wastegate Actuator For Cascadia Detroit DD15 DD13 A4720961269. $49.99. Free shipping. Check the item description to confirm this fits your vehicle. Hover to zoom. Dec 26, 2019 · A failed Turbo Actuator or VGT Turbo share similar symptoms. Rob from HHP Technical Sales is here to share what key indicators to look for when diagnosing a bad turbo actuator. Talk to... TURBO CHARGER. ENGINE PARTS - Manifold - OIL BLOCK ADAPTER - Water Pump; INJECTOR - INJECTOR; SILICONE HOSE - 90 Degree Elbow Coupler - 90 Degree Elbow ReducerDetroit DD15 Turbo Acutator, P/N A4721500494 for sale. Enjoy our hassle-free online checkout or call to speak to an expert. ... DETROIT DD15 EGR VALVE ACTUATOR P/N# A470150694: TURBO ACTUATOR DD15 APPLICATIONS: DD15 TURBO ACCUATOR PN# DC A4721500494: Price: $290.00: $325.00: $636.00: Specifications. Item Tag #: …The engine with an asymmetric turbocharger is a good engine to compare with because it reflects the technology change that occurred for the DD15 starting with MY 2013—the turbocompound and symmetric turbocharger were phased out in favor of an asymmetric turbocharger. This video shows the diagnosis of a gross air leak at the diaphragm of the turbocharger's wastegate actuator on a customer's 1990 Eagle Talon TSi AWD with 4G...Low fuel level and contaminated fuel clogging up the fuel filter are two main reasons behind the fuel pump failing in your vehicle. No matter how durable or powerful the DD15 engine may be, your vehicle should never run out of fuel. With low fuel level, it prevents your vehicle from functioning as it should and puts an unnecessary amount of ...EGR Actuator Figure 8. EPA10 DD16 and DD15 Right Side Sensor Locations All information subject to change without notice. 11 ... Turbo Speed Sensor 5. EGR Actuator 3. Oil Separator Speed Sensor 6. Coolant Outlet Temperature Sensor Figure 12. EPA07 DD16 and DD15 Right Side Sensor LocationsDD13 and GHG14 asymmetrical turbo DD15 turbocharger wastegate solenoids are being replaced unnecessarily due to air leaks. REQUIRED ACTION The vehicle may have the following complaints: Check Engine Light (2631/1 Low Air Flow, or 3711/31 Parked Regen Failed – DOC In Temp Preventing Dosing) Leaking Air SystemFor Detroit Turbo Wastegate Actuator DD13 DD15 Turbo Freightliner. Condition: New. Quantity: More than 10 available 17 sold / See feedback. Price: US $175.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit *.Engine with asymmetric turbo similar to MY 2013 DD15. While the full load benefit of turbocompounding is apparent in Figure 8, the effect on part-load efficiency must also be taken into account. Figure 9 shows the power turbine output and PMEP behavior for a MY 2008 DD15 engine [3806]. Along the full load line, both turbine output and PMEP vary ...Its turbocharger and hollowed-out dual overhead camshafts work in tandem to make your DD15 diesel truck engine rev up faster and accelerate quicker than older Detroit engine models. This gives the engine incredible performance. Lower running costs. The engineering behind the Detroit DD15 engine is designed to make maintenance easy and affordable.I have a ISX 15 CM2250 that is surging at boost pressure…. I also found issues like this by putting the engine in a REGEN and seeing what fault becomes active. That's a good trick too . so is hitting the turbo and actuator with a hammer. not to damage it but to see if it may free up. Had a few like that too.92 Share 11K views 4 years ago CARLOS' DIESEL ELECTRIC Replacing a leaking EGR actuator on a DD15. Simple and easy way to remove and install an EGR …Does the EGR actuator move when the ignition is first turned on? a. Yes; Go to step 7. b. No; replace the EGR actuator. Refer to the following section: For DD13, Refer to section "Removal of the DD13 Exhaust Gas Recirculation Valve Actuator". For DD15TC or DD16 equipped with Delphi actuators, Refer to section "Removal of the DD15 and DD16103 Engine Turbocharger 1 Speed 104 Engine Turbocharger Lube Oil Pressure 1 105 Engine Intake Manifold 1 Temperature ... 619 Parking Brake Actuator 620 5 Volts DC Supply (Obsolete) 621 Antenna Electronics 622 J1922 623 Red Stop Lamp 624 Amber Warning Lamp 625 Proprietary Network #1Detroit dd15 Turbocharger / Supercharger on HeavyTruckParts.Net. Easily find what you need from 2,406,482 parts available. Top ... REBUILT Rebuilt DD15 Turbo With Actuator. Create Estimate. Part Info (616)241-2110 Request …WHINING ENGINE. One of the unexpected advantages of a turbocharger is that it actually makes the engine quieter because it muffles the sound of air intake. However, if you start to hear a loud, whining noise - a bit like a dentist's drill or police siren - it's a potential symptom of turbo failure. As the fault gets more serious, the noise will ...Introducing the Turbocharger Wastegate Actuator for the 2015 – 2021 Detroit Diesel DD15 14.8L 455-560HPFreightliner Cascadia Truck (Class 3-8) Detroit Diesel DD15 14.8L 455-560HP- the perfect solution for controlling the boost pressure in your turbocharged engine. This high-quality actuator is designed to open and close the wastegate valve, based on the boost pressure in theRead More 3 Installation of the GHG14 DD15 AT Exhaust Gas Recirculation Valve Actuator On the DD15 with an asymmetrical turbocharger, the Exhaust Gas Recirculation (EGR) actuator is located on the cylinder block as opposed to the turbo-compound model DD15, where the EGR actuator is mounted in a bracket on the exhaust manifold. Install as follows:2 Removal of the GHG14 DD15 AT Exhaust Gas Recirculation Valve Actuator. On the DD15 with an asymmetrical turbocharger, the Exhaust Gas Recirculation (EGR) actuator is located on the cylinder block as opposed to the turbo-compound model DD15, where the EGR actuator is mounted in a bracket on the exhaust manifold. Remove as follows:Title: Scanned DocumentTURBO CHARGER. INJECTOR. TURBO CHARGER. WARNING： This product contains chemicals known to the state of California to cause cancer and birth defects or reproductive harm.Find great deals on eBay for dd15 egr actuator. Shop with confidence.Defective Turbocharger. Check as follows: ... EPA07 DD15 Troubleshooting Guide - DDC-SVC-MAN-0029: Generated on 10-13-2008: Posted in DD15 …Remanufactured Detroit Diesel DD15 Turbocharger HX55 5358027. $ 850.00. On backorder - usually ships within 2 to 3 business days. Refundable Core Deposit *. 1x Remanufactured Detroit Diesel DD15 Turbocharger HX55 5358027. $850.00. Subtotal $850.00. Add to cart. Categories: On Highway, Remanufactured, Turbochargers.Every time I do a regen on my 2016 Freightliner Cascadia DD15 the throttle valve requested and actual are always at 0.I can move the buttefly with my hand and I can manipulate the position of the valve with DDDL so it is not stuck . Now my question is all the videos I have seen in regards to levels on regen with DDDL the throttle valve is ...problem, or a problem with symptoms but no diagnostic codes. Use this and the response as a guideline. Refer to Questionnaire Response Guidelinefound on page 1–6. 1. How often does the problem occur? Can you and the driver take the vehicle and demonstrate the problem in less than 30 minutes? 2. Has the vehicle been to other shops for the same ...It's more likely an issue with the actuator itself. That's why removing the actuator is a good place to start. If you've got a turbo that moves normally, then it's probably an issue with the actuator, if not, you're likely going to want to replace the turbo, and possibly the actuator as well. Find great deals on eBay for dd15 egr actuator. Shop with confidence.Excessive blow-by. Poor performance. Poor fuel mileage. Rough running. High oil consumption. Blow-by is one of the biggest indicators that it's time for an engine overhaul. Blow-by is the amount of gases that pass the pistons and piston rings. Excessive blow-by where more gases are allowed to escape because of piston and piston ring wear can ...Issues with the turbocharger vanes can also cause actuator failure. For Instance, if the turbo vanes are seized and will not move the actuator, trying to rotate to move the vanes open or closed may put a bind on the actuator gear and cause the motor that operates the gear to overheat and fail. It is very rare that you have a VGT Actuator gear ...1. Cold Engine Starts. Cold starts, aptly named for starting your engine in cold temperatures, have given Series 60 engines trouble. They can lose their prime and not start properly. Using a starting fluid should help combat this issue, and you shouldn't have any other problems from it once the engine is running.19. Remove the turbocharger heat shield. 20. Remove the hot pipe from the EGR cooler and EGR valve and discard the spherical clamps. Refer to section "Removal of the Exhaust Gas Recirculation Hot Pipe". 21. Disconnect the EGR valve actuator to the actuator pull rod from the EGR valve actuator. Refer to section "Removal of1. Cold Engine Starts. Cold starts, aptly named for starting your engine in cold temperatures, have given Series 60 engines trouble. They can lose their prime and not start properly. Using a starting fluid should help combat this issue, and you shouldn't have any other problems from it once the engine is running.69. Install the turbocharger. For DD13 and DD15 engines, Refer to section "Installation of the DD13 and DD15 Turbocharger" For DD16 engines, Refer to section "Installation of the DD16 Turbocharger" 70. Install the EGR actuator. For DD13 and DD15 engines, Refer to section "Installation of the DD13 and DD15 Exhaust Gas Recirculation Valve Actuator "
Turbocharger Assembly (Electronically Controlled), Replace MODIFICATIONS TO EXISTING LABOR OPERATION A12-1051X 10.3 8.2 8/10/2015 Skeleton (Short Block) Service Engine Parts (V Engines), Tra MODIFICATIONS TO EXISTING LABOR OPERATION A121051X 20 3.5 3.53/9/2015 Stripped (Long Block) Service Engine Parts …. Prickly pear leaves
Some units equipped with a Gen 5 DD15 engine (ESN 472912S) have experienced exhaust valve bridges falling out of place and in some cases, repeat failures. This is due to exhaust rocker arm adjusting screw wear as a result of insufficient lube during extended idle periods. It is recommended to reduce idle time whenever possible.Online Shopping at a cheapest price for Automotive, Phones & Accessories, Computers & Electronics, Fashion, Beauty & Health, Home & Garden, Toys & Sports, Weddings & Events and more; just about anything else Enjoy Free Shipping Worldwide! Limited Time …A failed Turbo Actuator or VGT Turbo share similar symptoms. Rob from HHP Technical Sales is here to share what key indicators to look for when diagnosing a bad turbo actuator. Talk to...Here are some common symptoms and warning signs that may hint towards having a worn out wastegate hose: 1. Check Engine Light comes on. Since the wastegate hose is designed to relieve pressure inside the turbocharger manifold, it is constantly monitored by the vehicle’s ECU (engine control unit). Typically each automotive …Its turbocharger and hollowed-out dual overhead camshafts work in tandem to make your DD15 diesel truck engine rev up faster and accelerate quicker than older Detroit engine models. This gives the engine incredible performance. Lower running costs. The engineering behind the Detroit DD15 engine is designed to make maintenance easy and affordable.In this video I share my knowledge about the turbo wastegate actuator. If the wastegate actuator is bad, it can cause severe damage to the engine. Wastegate …Symptoms of a Failing VGT or Actuator: If the VGT or actuator is failing, you may notice the following symptoms: Decreased engine performance and power; Abnormally fast …DD5™ DD8™ DD13® DD15® DD16® Legacy Engines Detroit DD15 Engine Six cylinders of industry-leading power. The DD15 ® builds upon the Detroit heavy-duty engine legacy to bring efficiency and performance to the next level. Offering the best of the best in diesel engine technology and engineering, the DD15 provides unmatched reliability for your trucks.Description. Used Detroit DD15 Turbo Acutator, P/N 28121241 for sale, from a 2011 Freightliner cascadia Truck. DD15 turbo actuator. Item SKU: 25420477. Price: $636.00.Its turbocharger and hollowed-out dual overhead camshafts work in tandem to make your DD15 diesel truck engine rev up faster and accelerate quicker than older Detroit engine models. This gives the engine incredible performance. Lower running costs. The engineering behind the Detroit DD15 engine is designed to make maintenance easy and affordable.Includes actuator and mounting gaskets. Make sure to confirm fitment for your specific DD15 engine. There are a few different turbo variations, one with studs to hold the exhaust pipe on, and another with a v-band style clamp. This is the studded version. Direct replacement for the factory part numbers below: 4720901480. R4720901480. A4720901480.7. Perform the function test of the Turbo wastegate; Refer to section "Functional Check of the DD13 and GHG14 DD15 Asymmetrical Turbocharger Wastegate Actuator". a. If the Wastegate passed the functional check, Go to step 9. b. If the Wastegate failed the functional check, repair as necessary. 8. Measure air inlet restriction and/or inspect the ... .