Detroit dd15 egr cooler leaking. Can leak into the transmission.
Detroit dd15 egr cooler leaking Remove the exhaust clamps (2) from the EGR valve/hot pipe (1) to the exhaust manifold outlet and EGR cooler inlet (3). Excessive build up or blockage. 3 Aerated Fuel; DD15 Troubleshooting – Section 10. Damaged or leaking air inlet, Charge Air Cooler (CAC), and EGR piping and hose. The EGR cooler is simply a part of this emission system. 18,098 Satisfied Customers. gl/maps/HzwG98iioszjQWRP6TAT Express Inc. EGR delivery pipe delta p pressure ports. New Detroit Diesel DD15 EGR Cooler for sale in Michigan for $1,500. This is a major repair – especially since the rocker assembly housing was cracked and must be replaced, too. 8. Service Tools Used in the Procedure Tool Number Description Tool Graphic W470589019100 EGR Cooler Leak Tester (DD13/DD15/ DD16) DSN930E16002 Heavy Duty Engine EGR Cooler Test Plug J-41473 Use Air Regulator Only J-47192 J-48710 Test as follows: Detroit Rebuild Specialist p o s S t d o r n e u t 3 h c 8 r u 1 t m 0 2 f 2 2 a l 7 0 1 5 5 l l 2 1 2 m 1 2 F e y 5 a b 6 f 2 0 9 r g 3 , 9 m · Shared with Public 1. 2 Testing and Inspection of the DD15 and I have a 2016 Cascadia with dd15 and dt12 trans. Powering Freightliner and Western Star trucks, this engine offers improved fuel economy, enhanced durability, and advanced emissions control. Faulty wiring. 13. Customer Service; 1x 2010-2014 Detroit Diesel DD13, DD15, DD16 EGR Cooler Cross Reference/OEM Numbers: New Shop Info: https://goo. Torque the bolts to 30 N·m (22 lb·ft) in the sequence shown. The EGR Cooler manifold has minor corrosion. 0 out of 5 stars 1 2 offers from $1,01881 $ 1,018 81 Feb 1, 2023 · Or check out this EGR cooler that we have: FleetRun | Volvo D13 EGR Cooler | 85136428 | FleetRun FR-COOL-36428; 1. Jul 8, 2023 · 3. Has anyone seen the EGR cooler leak exhaust from the flange to the EGR? To check the EGR system remove a component from the system such as EGR valve or crossover tube and see if there is liquid in the system anywhere. Refer to “5. Cast#: A4711421109: Item:24848478 $520. OEM CUMMINS EGR COOLER 6. Coolant loss and internal coolant leak. Install the EGR actuator lever (P/N: A4731400224) onto the actuator using nut (P/N: A0049908450). There are several possible sources for this steam, including head gasket failure, a cracked EGR cooler or condensation inside the exhaust system. 9. Yes; replace the EGR cooler. Refer to section "Installation of the DD15 and DD16 Exhaust Gas Recirculation Cooler" b. 6. when i accelerate coolant temp. Check for excessive build up or blockage. DOC inlet and DPF outlet pressure sensors and connector/harness. Detroit Diesel - EGR flex pipe blocking off with freez plugs. The picture below of the water manifold gasket clearly shows the failure causing the coolant leaks. Flex pipe blocked off on DD15 8. 2012 cascadia 125 dd15 have couple codes need help with. Faulty EGR delta P sensor. Install as follows: Good, Used EGR Cooler manifold from a Detroit DD15 engine. 11. Look at this Detroit DD15 EGR Cooler for a 2013 Freightliner Cascadia 125 for sale in Ontario. 2. After it has been run hot, then allowed to cool down completely, run the engine for about one or two minutes. One can think of Failure to perform this procedure could cause severe engine damage. 00 Detroit DD15 Egr Cooler - Used | P/N A4731400575. Apply 207 kPa (30 psi) of regulated air to the regulator for three minutes. Detroit Diesel EGR block off - hot side. May 22, 2019 · The primary purpose of the Tube and Shell Bolted Flange (TSBF) EGR cooler is to cool the engine exhaust gases prior to entering the intake manifold. Can leak into the transmission. In extreme cases, this can lead to total engine failure. 5. You can also remove the oil pan and check the liner bases and see if they are leaking. 2010-2014 DETROIT DIESEL DDE EGR COOLER - EA4721400475. The TSBF EGR cooler core then transfers the heat removed from the exhaust gases to the engine TamerX EGR Cooler EA4731400575 for Detroit DD15, DD16 is built for 2015-2020 models. Feb 10, 2025 · The Detroit Diesel DD15 Gen 5 is the latest evolution of one of the most reliable and efficient heavy-duty engines on the market. Jan 13, 2017 · Can be a bad head gasket but that usually causes a leak to the outside. Benefits of Using the OEM EA4721403814 EGR Cooler. View photos, details, and other EGR Coolers for sale on MyLittleSalesman. Faulty EGR cooler. 972-225-30174140 Langdon Rd. 7 5566893CUM 2881692; CUMMINS POWER SOUTH KIT EXH RCN COOLER 5566893; Volvo D13/Mack MP8 *OEM* EGR Cooler Hose Kit 85124530 (20920723-21393264) Genuine Detroit Diesel Dd15 EGR Cooler A4721400475; Cummins Exhaust Gas Recirculation EGR Cooler Kit 4352346NX 5318560 R/b 4376312rx By twisting the tubing, they are able to flex and move - greatly reducing stress on the bulkheads and seams. A clogged or leaking EGR cooler Feb 12, 2020 · How to check for a leaking EGR Cooler on DD15 engine. Dec 5, 2022 · DanVard E-G-R Cooler Replacement for Freightliner Truck Detroit DD15 Engine 2015-2020 Replace A4731400575 EA4731400575 5. Low Coolant level can lead to severe engine damage. PAGE 52. In extreme cases, it can even cause the engine to go into a 5mph derate. 4. Replacing your oil cooler at the designated time avoids the risk overheated oil which breaks down much faster and can cause catastrophic effects in your engine. . External leakage 9. Filling the EGR Cooler with Tap Water. Has anyone seen the EGR cooler leak exhaust from the flange to the EGR? USED - Detroit DD15 EGR cooler, P/N A4721400175. Detroit Diesel DD15 intake side block off plate location (crossover pipe) CONTACT US › 2 Testing of the DD13 Exhaust Gas Recirculation Cooler Water Manifold Assembly - In Chassis Table 1. Dec 17, 2023 · The photo is taken on Detroit Diesel DD15, but DD13 andamp; DD16 are very similar. EGR crossover tube. Quality Parts, Free Shipping, Call +1-888-642-6460 Now. Jun 9, 2017 · Hate to scare ya but my dd15 was doing that for about a month, no visible leaks but losing coolant about a gallon every few days. com. Exhaust gas cooling is accomplished by the flow of exhaust gases through the EGR cooler tubes. Faulty Inlet NOx sensor. If there is and there is a problem most likely with the EGR cooler. Its durability and compatibility make it a valuable component for any Detroit 60 Series engine from 2004 to 2007. 14. Remove the EGR cooler hot pipe, EGR crossover pipe, and delivery pipe. Attach an air-to-air charge… This is a Genuine New, Detroit EGR Cooler Coolant Connector, Detroit part number A4722000154 ( OEM Part Number A4722000154 ). Key Components of the EGR Cooler: Core Aug 27, 2020 · This “smoke” is actually steam from boiling water or coolant. Keep your truck running smoothly and minimize downtime. Get free fault code details, wiring diagrams, part numbers, and repair guides with Diesel Repair. Exhaust gas cooling is accomplished by the flow of exhaust gases through the TSBF EGR cooler tubes. Unbolt corssover pipe, and put a plate between it & intake manifold. If no, troubleshoot for other internal coolant system leaks. Abs code for controller #1 and engine code intake throttle roybelding | Shop Froeman for Freightliner Trucks A4721400475 | EGR Cooler | Detroit Diesel DD15 | 2 Year Warranty | Engineered to Exceed OEM Specifications | PAI Industries or AKMI Brand 888-901-4795 | parts@dieselrebuildkits. Is the cooler leaking internally? a. This is a remanufactured 2010-2015 Detroit Diesel 60, DD13, DDEC 15 / 16 EGR Cooler part number 4721400175, 4721400375, 4721400475, 4731400175. com $ 0. Nov 6, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Find many great new & used options and get the best deals for Detroit Diesel Dd15 Engine EGR Cooler A4721400475 at the best online prices at eBay! Free shipping for many products! Oct 10, 2023 · DD15 Restricted or Cracked Charge Air Cooler Troubleshooting Posted on October 10, 2023 by sam Check as follows: NOTICE: To avoid engine damage, follow the installation instructions provided with the air-to-air charge air cooler test kit. In conclusion, the Detroit 60 Series EGR Cooler OEM 23535288 is essential for maintaining optimal engine performance, reducing emissions, preventing overheating, and ensuring fuel efficiency. What is an EGR Cooler? Simply stated, an EGR cooler is a heat exchanger. 6 Faulty Exhaust System; DD15 Troubleshooting – Section 10. 6 DD15 EGR COOLER CLEANING PROCEDURE TO REMOVE EXCESS FUEL FROM COOLER AFTER ENGINE BRAKE SOLENOID FAILURE 2-31 ANDROCKERSHAFT/ENGINE Aug 14, 2024 · EGR (Exhaust Gas Recirculation) is a technology that dates well back into the 1980’s for gasoline engines and the early 2000’s for diesel engines. Discard exhaust clamps. Dallas TX 75241In this video, I go over a coolant loss is Nov 7, 2024 · 85124530 VOLVO / MACK EGR HOSE KIT - S&S TRUCK S-23431; Cummins 5566887 EGR Cooler 4352253 Genuine OEM Exhaust Kit RCN ISL QSL L9 PX; CUMMINS POWER SOUTH KIT EXH RCN COOLER 5566893; OEM CUMMINS EGR COOLER 6. 7 5566893CUM 2881692; Genuine Detroit Diesel Dd15 EGR Cooler A4721400475 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. Oct 10, 2023 · Is the cooler leaking internally? If yes, change the cooler. 00 0 Cart Oct 10, 2023 · Is the cooler leaking internally? If yes, change the cooler. Leaks or damage between the turbocharger outlet and the Aftertreatment Device (ATD) inlet. 1. Poor emissions readings. Check for coolant out exhaust from an exhaust port and check for internal engine damage. 12. Jan 13, 2017 · EGR leak is the most common cause of disappearing coolant and the first symptom is pressure in the radiator. The EGR Cooler manifold has been visually inspected and is in good condition. The main symptom of an EGR cooler failure is poor emissions readings. What to look for when your missing coolant. Using a rubber-tipped blow gun, blow compressed shop air into the individual tubes in the EGR cooler to clear any excess fuel, soot, and carbon. This also allows us to stack the tubing very close together, allowing for more tubing - and cooler EGR gas - than would be with traditional straight tubes This Detroit DD15 EGR cooler is a direct replacement for a 2015-2020 Detroit engine. You can view detailed repair information for free on every one of these fault codes inside the Diesel Repair App. 2 Low Power Jun 30, 2021 · Most Common Issues With The DD13 DD15 DD16/ Detroit 15/ Semi/18 Wheeler/Diesel truck/ DD15 Issues Leaking Seals or Gaskets: Cold weather can cause seals, hoses Jun 13, 2024 · Find many great new & used options and get the best deals for detroit diesel egr cooler dd15 DDC A4721400475 freightliner 2010 & 2016 at the best online prices at eBay! Feb 14, 2025 · Fault Codes for Detroit Diesel DD15 . 7 5566893CUM 2881692; CUMMINS POWER SOUTH KIT EXH RCN COOLER 5566893; Volvo D13/Mack MP8 *OEM* EGR Cooler Hose Kit 85124530; Cummins Exhaust Gas Recirculation EGR Cooler Kit 4352346NX 5318560 R/b 4376312rx; Genuine Detroit Diesel Dd15 EGR Cooler A4721400475 2 Description and Operation of the DD15 and DD16 Exhaust Gas Recirculation Cooler The primary purpose of the Exhaust Gas Recirculation (EGR) cooler is to cool the engine exhaust gases prior to entering the intake manifold. Check as… OEM CUMMINS EGR COOLER 6. The EGR cooler plays a crucial role in preventing the engine from overheating, thereby protecting vital components and extending the engine's lifespan. Understanding its components can help ensure the smooth functioning of your diesel engine and prevent costly repairs. 6 DD15 EGR COOLER CLEANING PROCEDURE TO REMOVE EXCESS FUEL FROM COOLER AFTER ENGINE BRAKE SOLENOID FAILURE 2-31 ANDROCKERSHAFT/ENGINE Jun 29, 2022 · EGR cooler failure can also cause the engine to overheat and damage, resulting in reduced engine power. Get your genuine OEM DDE A4711405675 Detroit™ EGR Cooler at Diesel Dash, an authorized diesel parts dealer. Faulty fuel injector. We used expansion plugs, to block both ends of flex pipe. See Figure "Observing the EGR Cooler for Bubbles". Oct 27, 2024 · Cummins Exhaust Recirculaton Cooler Kit P/N 5566893; OEM CUMMINS EGR COOLER 6. The EGR Jun 6, 2019 · Figure 4. Install the EGR cooler water manifold assembly onto the cylinder head. accepting: personal check, business check, money orders, gift cards, gifts, tools, shop articles, etc,. Choosing the Detroit DD15, DD16 EGR Cooler, OEM EA4721403814, offers several advantages: Exact Fit and Compatibility On dd15 I have egr cooler leak out to exhaust, this truck have delete, if I put 2 freeze plugs on coolant entrance on Mike Mcmillan | Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel The EGR (Exhaust Gas Recirculation) cooler in a Detroit DD15, DD16 engine for models from 2010-2014 is crucial for reducing NOx emissions. 1 Exhaust Gas Recirculation (EGR) Cooler” in the “Engine” chapter of the EPA07 DD15 Workshop Manual (DDC-SVC-MAN-0002). That would be obvious in the oil. 7 5566893CUM 2881692; CUMMINS POWER SOUTH KIT EXH RCN COOLER 5566893; Volvo D13/Mack MP8 *OEM* EGR Cooler Hose Kit 85124530 (20920723-21393264) Genuine Detroit Diesel Dd15 EGR Cooler A4721400475; Cummins Exhaust Gas Recirculation EGR Cooler Kit 4352346NX 5318560 R/b 4376312rx Replacing your oil cooler at the designated time avoids the risk overheated oil which breaks down much faster and can cause catastrophic effects in your engine. One of the most common symptoms of a failing EGR cooler is coolant loss. Oct 10, 2023 · SPN 411/FMI 1 This diagnosis is typically EGR differential pressure failed (Low Box). No; troubleshoot for other internal coolant system leaks. This cylinder head is designed to withstand extreme temperatures and pressures, ensuring efficient combustion and optimal engine operation. 6 DD15 EGR COOLER CLEANING PROCEDURE TO REMOVE EXCESS FUEL FROM COOLER AFTER ENGINE BRAKE SOLENOID FAILURE 2. I have cascadia 2012 DD15 have a issue with coolant temp. Install and hand tighten the 17 bolts into the EGR cooler water manifold assembly. 5 dd13 egr cooler cleaning procedure to remove excess fuel from cooler after e 2. Can leak through a bad compressor. Leaks or damage to air intake system. The EGR cooler is responsible for recycling exhaust gasses back into the engine. May 27, 2020 · In this video I’m going to show, step by step, how to replace the EGR Valve Actuator o-ring on my Freightleiner Cascadia 2012 DD15The whole operation took ab Look at this Detroit DD15 EGR Cooler for a 2013 Freightliner Cascadia 125 for sale in Ontario. Find many great new & used options and get the best deals for Detroit Diesel Dd15 Engine EGR Cooler A4721400475 at the best online prices at eBay! Free shipping for many products! This is a Genuine New, Detroit EGR Cooler Coolant Connector, Detroit part number A4722000154 ( OEM Part Number A4722000154 ). Stock # DD15-FR0511-22, MLS # 10059506 2. Possible bad EGR cooler on a DD15 or a DD13 May 1, 2017 · The water manifold also holds the EGR cooler, which is stainless steel. This part features a one year warranty. Oct 26, 2023 · Here are seven symptoms to watch out for: 1. Install the EGR actuator valve pull rod(P/N: A4731400646) on the EGR valve linkage stud(P/N: A0049908450) and the EGR actuator lever (P/N: A4731400224). Remove the clamps (2), exhaust pipe (4) and gaskets (3) from the EGR cooler (1) and inspect and inspect for any signs of liquid or moisture. This part is primarily made for a Detroit DD15, production years 2008-2016, and comes with a One Million Miles or One Year Warranty. EGR closed. 7. A gallon every thousand miles is most likely a bad EGR cooler or a cracked liner. View More. To check the EGR system remove a component from the system such as EGR valve or crossover tube and see if there is liquid in the system anywhere. See Figure "EGR Cooler Ports Setup" Disconnect the regulated air supply from the regulator and watch for bubbles on the exhaust side of the cooler. One can think of My 2019 cascadia with dd15 egr cooler is leaking lost about 1/2 gallon in a 200 mile trip. This can be caused by a leak in the EGR cooler itself or in the hoses that connect it to the engine. 10. DETROIT DIESEL DD13 DD15 DD16 PLATFORM WORKSHOP ENGINE SERVICE MANUAL EPA07/10 DDC-SVC-MAN-0081 PDF Manual Includes the following manuals & service information: (1) Detroit Diesel DD13 DD15 DD16 Engine Workshop Manual, (2) Detroit Diesel DD13-DD15 Application&Installation Manual, (3) Detroit DD15 Valve Adjustme You can check both pretty easily. Shop this and more at DieselDash. MONITOR SEQUENCE: None EXECUTION FREQUENCEY: Continuous when enabling conditions met. Flex pipe blocked off on DD15; Below is the photo of intake side - crossover pipe. The EGR Cooler manifold has a water transfer tube attached, please refer to the photos provided, all other bolt holes are clean and clear from obstructions. Is it possible the dpf or Certified with Cummins, Eaton, GM, Hino When your truck leaks coolant, you might want to check out the EGR cooler. Orientate the lever away from the mounting bracket. Install two new EGR cooler water manifold assembly gaskets. 00 USD. The Detroit DD15 Engine Oil Cooler 2009-2016: OEM A4711800865 plays a critical role in maintaining engine efficiency. In this video, Ryan shares with you how to tell that you have a leaking EGR cooler Jun 29, 2022 · EGR cooler failure can also cause the engine to overheat and damage, resulting in reduced engine power. 4 Restricted Air Cleaner Element; DD15 Troubleshooting – Section 10. Stock # 505-12266, MLS # 13453266 Quantity Decrease quantity for A4721400475 | Detroit Diesel DD15 EGR Cooler (2010-2014), New Increase quantity for A4721400475 Freightliner cascadia 2014 DD15. Stock # DD15-FR0511-22, MLS # 10059506 Buy EGR Cooler for Detroit Diesel Series 60 – DDEC 6 Part# 23537387 From heavy Duty Kits at discounted rates. Feb 12, 2020 · How to check for a leaking EGR Cooler on DD15 engine. DetroitDiesel DD15 exhaust side block off plate location. Check as follows: Visually inspect the EGR… DD15 Engine Brake Check Use this procedure to determine the cause of poor engine brake performance when no codes are present. 00 0 Cart High Quality EGR Cooler * For DD15 60 Series * Sold Individually *** High Quality Aftermarket Replacement Part (Not OEM) *** ** Please Verify OE Numbers Before Purchasing This Part, There May Be More Than One Option For Your Application. New Dap EGR Cooler DD15 by Detroit. Jun 8, 2019 · DD15 Troubleshooting – Section 10. Dec 1, 2022 · Ballmers A4721400475 E-G-R Cooler for Detroit DD15 60 Series DD15 DDE A4721400475. Coolant loss and internal coolant leak One of the most common symptoms of a failing Feb 17, 2025 · Find and fix Detroit Diesel DD15 (2017-2020) engine issues fast. DOC and DPF pressure tubes blocked or leaking. Here are seven symptoms to watch out for: 1. 5 out of 5 stars 7. Below is a comprehensive list of fault codes you may encounter on a Detroit Diesel DD15 (2021-2022) model years). This component is designed to regulate the temperature of the engine oil, ensuring it remains at an optimal level. Leaks in the Charge Air Cooler (CAC). Press Alt+1 for screen-reader mode, Alt+0 to cancel 8. Torque nut to 25 N·m (18 lb·ft). Enjoy our hassle-free online checkout or call to speak to an expert. Nov 5, 2022 · In this video, I go over a coolant loss issue for a DD13, Low coolant level, dd13 losing coolant, DD13 EGR Cooler this component can fail on a DD15 or DD16. EGR Cooler for Detroit DD15 A4721400475. Refer to section "Installation of the DD15 and DD16 Exhaust Gas Recirculation Cooler" 10. 00 Detroit DD13 Egr Cooler - Used | P/N A4711403375. Eng Ser#: CPL/Arr: Cast#: A4721400175: Item:24542848 $462. ** Replaces OE Numbers 472100075, 472100175, 4721400475 ** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A lever or pull rod clamping nuts to avoid damage to the EGR valve actuator internal end stops. Detroit DD15 EGR Cooler for sale. If your cooler is leaking or faulty, don't wait to replace it! All of ATL's oil coolers are manufactured and assembled in an ISO 9001: 2015 Certified Facility. Aug 14, 2024 · EGR (Exhaust Gas Recirculation) is a technology that dates well back into the 1980’s for gasoline engines and the early 2000’s for diesel engines. Is 200° and oil is 225° wich is roybelding | Shop Froeman for Freightliner Trucks USED - Detroit DD13 EGR cooler, Cast# A4711421109. I inspected the egr cooler injection pipe to Eaton, GM, Hino, Detroit Diesel. 5 Restricted or Cracked Charge Air Cooler or Leaking Intake Manifold; DD15 Troubleshooting – Section 10. Can be a cracked liner. EGR delta p sensor. All orders placed before 5:00 pm PST Monday-Friday will be shipped the SAME business day. Premium quality, fast shipping, and in stock. You would see contaminated oil and a volume increase. 3. Cross references: A4731400575, EA731400575, EA4731400375 Free Shipping in all orders! All orders are shipped FREE VIA UPS Ground. 15. If the cooler has an excessive amount of buildup that cannot be removed, replace the EGR cooler. Remove as follows: How to Check EGR Cooler on Freightliner Truck Read More Learn how to replace a leaking injector pass through seal on a Detroit DD15 Read More 7 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. 7 5566893CUM 2881692; Dd15 EGR Cooler P/n a 4731400575 Detroit Freightliner; Cummins Exhaust Gas Recirculation EGR Cooler Kit 4352346NX 5318560 R/b 4376312rx Tamerx Detroit DD5, DD8 EGR Cooler 2014-2021: OEM A9361421679 is built for 2014-2021 models. The Detroit DD15 Cylinder Head 2015-2018: OEM 4730103520 is a crucial component of the DD15 engine, responsible for housing the engine’s combustion chambers and managing air intake and exhaust. Install the following: a. Oct 26, 2023 · A faulty EGR cooler can lead to decreased fuel economy, increased exhaust emissions, and decreased engine performance. The photo is taken on Detroit Diesel DD15, but DD13 & DD16 are very similar. TYPCIAL DURATION: Two seconds DASH LAMPS: MIL ENGINE REACTION: None VERIFICATION: Parked regeneration POSSIBLE CAUSES: 1. When the coolant passages inside your cooler leak, the coolant mixes with the exhaust and enters the intake. How it works Jul 10, 2023 · 7. Remove the EGR valve actuator pull rod clamping nut and remove the pull rod from the EGR valve. Now accepting support and donation to my channel. pmhcjs lmohuuf ijcobfd tuk invq xkpwu rzzg drjir zptv pfbzrq ypro syuqqi muzhfef mor dceopw