Wiring and signal tests both fine but the resistance test comes back at 14. Yeah I'm pretty sure all the vacuum lines are right, just took the boost solonoid off again and sprayed carb cleaner in the holes and shook it out and let it dry, hooked it up and the actuator was moving again like normal,the car 832. 2) Throw a "turbocharger overpressure" engine code. However, still drives sluggish and boost doesnt seem right. Jan 15, 2022 · 832. Mar 24, 2022 · Vacuum line diagram (2 port bcs) Jump to Latest Follow. Both my SO and Carman scan tools have very limited live data this car. There's a vacuum pump over near the oil filter on the right-hand side of the motor. The easiest check is to get someone to rev the engine and see if the hoses are swelling. Technically, I am guessing that in a steady state, it does not matter where the boost sensor lives, as the pressure will be the same anywhere between turbo and inlet manifold. I have 2 other cars and a bike in the build, but once theyre finished, the D23 will be getting similar treatment. rust on top of roof along top of windscreen. Mar 19, 2023. Thread starter Pops70; Start date Jan 13, 2020; Help Support Nissan Navara Forum: Jul 29, 2013 · 1 post · Joined 2021. Boost Pressure Information: Tested and Warranted To 24 PSI Of Boost Pressure (If The Turbocharger Fails & There Are Any Signs Of Overspeed/Excessive Boost Pressure When Assessed, It Will Not Be Covered Under Warranty) Jun 22, 2020 · 2) Unplug, clean the electrical contacts and reinstall the boost pressure sensor (low on the right hand side of the car on the intercooler piping). Jan 13, 2010 · 6 posts · Joined 2010. My D40 is the first of only two on the island so the mechanic is not used to navara d40 issues. Aug 8, 2012 · Perth WA. Jun 25, 2016 · Jun 26, 2016. I had a similar problem with mine. I have a 2007 pathfinder auto 2. The mechanic checked the problem and said it was the Journal Bearing in the turbo. When driving the turbo boost ranges from . 5bar to 1. It looks like it is a constant . What next? Two things you can do: buy a new boost solenoid £90 from Milners, double that from a dealer. Navara has been running pretty spot on since I had the EGR, DPF, Intercooler etc fixed. 5 D40 MT and have an issue. Try this Trace the hose from the Vacuum port on the drivers side on the engine. It has a boost gauge fitted and would normally sit around 19- 21 psi under load , plenty of power on the beach etc, about a month ago I was driving on the beach and it became really sluggish and wouldn’t boost over 10 psi , got really hot and had to limp back off the beach , drove fine on the road Mar 17, 2013 · You open the bonnet and shine a light under the turbo actuator which is a round gold disc that sits on top of the turbo. #4. Ive read about ALOT of similar problems on the net and spoken to many people that have had similar issues with their common rail navara`s. The YD25 in the D40 (with the GT2056V turbocharger) should develop around 18-20psi of boost. real life) you will get momentary pressure differences in any system moving a Jul 19, 2022 · Easy diagnosis (also tests turbo): take the boost line that comes across the top of the motor to the BCS and disconnect it from the BCS. Injectors were out and some oil spray in the engine bay. D40 Engine & Drivetrain Turbo boost issues. #7 · Aug 13, 2017. #12 · May 17, 2012. Turbochargers Plus Australia. vacuume valve inside diesel pump. The transmission should keep you between 1500 and 2500 to take advantage of that. ) or an Feb 16, 2013 · The Boost sensor has got a slight different voltage to what it should. bonnet release cable can sometimes vibrate as its not sucured down. #3 · Oct 1, 2019. boost solinod valve. Oct 1, 2017 · D40 & Pathfinder (2005 - 2015) Questions & Answers (D40 Diesels) Would you expect he turbo boost lever to be unmovable when the engine is switched off? Mar 15, 2010 · Mar 16, 2010. The gold coloured "turbo boost valve" is the turbocharger vane actuator (turbo actuator). Jun 26, 2012 · The actual flutter noise can be heard at the 6 seconds and 11 seconds points. Quite rare. But it doesn't feel right. Of course Nissan will tell you to replace the whole turbocharger. Mid Coast Region, NSW, Australia. It has a new turbo, new boost solenoid, new hoses. It can handle up to about 21-22psi standard but will start tripping the overboost warning in the ECU from 23psi onwards (this has been my experience). Connect it directly to the turbocharger actuator. It should move in and out about 3-5mm even at idle. #2 · May 13, 2019. To my horror, the new one is also producing no boost despite the actuator fully functioning. The plan is to swap out all vacuum-related parts with the new turbo install. If you know a good fabrication shop this swap is easy as pie. A turbocharger increases how much air fits into the cylinder, so performance and horsepower can also be increased. This fault also occurs around 100kMh on a level roadway. 8 posts · Joined 2020. It could though, be a sign of something else (below). One of the Mechanics shocked me and my mate when he advised us that they had a customer with a chipped twin turbo, water-cooled intercooler on gas D40 pushing exhaust temps into the 900's. just check they didn't do anything weird like mount the maf sensor directly into the intercooler. I own a Nissan Navara D40 ( YD25) 2007 Model , Mileage now at 55000 Kms and after some 600km journey at occassionally high speeds up to 170km/hr I started hearing a sharp wistle which is more pronounced at lower gears both on pressing the gas pedal ( accellerator) as well as. Sep 25, 2013 · Hi Guys, after 3 weeks now with the D40 off-road (mainly due to waiting on delivery of new parts) fitted a new turbo today as the old one was putting out no boost. The usual place that most posts and pictures I have seen including the Gregory's service manual show it sitting behind Sep 30, 2016 · The D40 is not fitted with a wastegate either, it has a variable vane turbo. Busiboy said: It would be very hard to get a photo due to the location, but it's an easy job to do. Aug 11, 2017 · freemansteve. It is Common for these to fail, However it is also common for issues with these cars to be incorrectly Nov 29, 2020 · Location. looking from the front, right hand side of the engine below the hot side intercooler pipe. May 30, 2017. Jul 6, 2021 · Have had another look at the truck today. Checked the boost via ODB2 and only had about 1 - 2 psi. Dec 27, 2016 · Brisbane. Not the solenoid. I have replaced a new Boost control Solenoid (BCS), replaced all the hoses on the BCS, cleaned out the MAF, and reset the ECU. squeek from bonnet - adjust bonnet rubbers to cure. My guess would be the boost control module down by your air in-take. Turbocharger overpressure will do several things: 1) Make your vehicle performance change. 4bar depending if i am heading uphill or not at Jun 8, 2009 · 26 posts · Joined 2009. If your Nissan Navara has a turbo then it will also have a turbocharger boost control solenoid. Boost control. However, it seems Nissan now has a fix for this noise and is what Chip It has suspected for a while. When my left hand front window is down, I can hear quite a decent whistle from the turbo. in fact i was toying with changing the waste gate spring and drop it back down to 15psi. 15psi stock, mine increased after changing main muffler and peaks around 18psi. 3. Just seeing if anyone can link a vac line diagram or explain where the lines go. Be Absolutely fine, maybe 20% of the time. Dec 16, 2017 · 5187 posts · Joined 2014. Oct 25, 2021. Resetting of ECU. Hi Guys, I bought a repairable write-off, 2007 D40 STX manual with 140,000 km on the clock. Hey guys, Just posting up a little conversion i am doing. Its max is supposed to be about 24psi. Reaction score. Jun 9, 2009 · July 06 - June 08 2006 D40 2. #5 · Jun 8, 2009. Buy a boost tea or a duel stage boost controller and plug it into the boost Sensor to trick the ecu into thinking it has lower boost in which it will then keep that turbo driving untill it reaches its desired psi, and you can adjust how much boost you want. Jul 11, 2022 · Aug 25, 2022. Now we have a new issue. The turbo vacuum boost solenoid from Nissan was an updated part for my 07 and upped the boost by about 2 psi to around 21 psi max Have a look at silicone vacuum hoses at autobarn etc they are much nicer to install and dont oxidise like the stock ones In this episode I'm installing a new boost control solenoid (or BCV) on my Nissan Navara D40 to fix an issue with the turbo actuator dropping while boosting/ May 14, 2011 · J. D40-Outlaw said: Mar 19, 2023 · 18,138. Apr 27, 2022 · 19198 posts · Joined 2007. Had my D40 for a couple of weeks now and loving it. Apr 6, 2023 · Make sure all the hoses from the air filter all the way to the intake manifold are not leaking. the nav feels sluggish and does not seem to pick up too well. The thing to remember is that you are hearing them from the outside - not from within their passenger compartment. Dec 30, 2010 · Jaycar sell a kit for a high-range temperature gauge and it is my intention to combine this with two other kits to produce an EGT-monitoring turbo timer that hopefully will be a "plug and play" for the Nissan Navara D40. My local guy charges me $350 to change the turbocharger. If there are leaking there will be a tell tale oil stain around the leak. DO NOT FIT BOOSTGUAGE ON IT ! find the maf/boost sensor line and T into that. Aug 8, 2012. and sharper on releasing. 5l YD25 Turbo Nissan Navara D40 2. This is low on the "cold" side of the intercooler. itll be a little maroon coloured solenoid sitting Sep 21, 2021 · Navara D40 turbo diagnosis 53 comments · 67K views. The only thing that is slightly out is the boost control. I have taken the boost gauge off the boost pipe from the turbo (only tempory)and the gauge is an autometer one. on returning to lower speeds in 3rd and 4th gear the vehicle appeared to be pulling fine again. 3volts out. Got a new turbo and Jan 21, 2015 · Jan 21, 2015. This is a Genuine Nissan Boost Control Valve. In the vacuum controlled ones - like mine - you can have the following problems: * Actuator diaphragm failure. 3 at . 5 190 Tekna Connect in WHITE with BLACK 22s 1995 Subaru Impreza WRX as my weekend toy Jan 13, 2020 · The other day my D40 decided to loose power. May 15, 2022. For those that dont know, ill explain a little about the sorts of problems occuring. Scoured the internets for a solution but cant find anything. May 20, 2012 · the d40 turbo is a fair bit bigger than the stock d22 turbo so 22 psi on the d40 is alot safer and it will flow a heck of alot more air at 22psi than the d22 one. Let’s look at each one in more detail. The only good things about the stock turbo is its ball bearing so not laggy and reliable. South Australia. Jul 29, 2009 · A similar upgrade which would be a little cheaper would be the Nissan S15 Silvia turbo, has about 30hp less capability on a gasoline motor, would be very stock like in behavior with a slight increase in higher rpm power in my OPINION. Nov 3, 2018. Like. Jan 25, 2011 · That "tolerance" could be 2-3psi which in reality isn't going to make an enormous difference to the engine. Perth. I have done the usual checks, MAF cleaned, MAP cleaned, new air filter, ECU Reset both hard reset and with the foot pedal. Flushed the intercooler, cleaned the MAF, replaced the head (warped from a radiator issue) and done a peddle dance. #5 · Dec 20, 2017. At 2500rpm it is accompanied by a flat spot in 2nd and a loss of revs in 3rd, 4th, 5th and 6th. I ordered a boost control solenoid for the 2010 2. That sounds about right. 9V. May 28, 2012. com » Tue Mar 25, 2014 5:47 pm. So clearly it's something to do with the vacuum not opening the actuator. I have a 2010 D40 ST Navara. #2. #6. Jun 7, 2014 · Jun 7, 2014. Mar 20, 2015 · 832. If you can monitor it, the V9X should be able to reach rail pressures of over 30,000psi (it's like 100bar higher than the YD25 in the D40). It should pull the actuator open all the time. (You can rev higher if you shoeve the throttle pedal hard of course) So at 2k rpm you will get very variable boost depending on the throttle postion, and what the transmission Jun 17, 2020 · Nissan/Datsun Navara D40: Nissan Navara D40 2. Actuator rod moves in my case (you might also check - run engine idling and pull off the vacuum hose from turbo actuator, and rod should move back forwards for about 2 cm). #13 · Mar 7, 2012. That is on the brand new solenoid. 3) Remove, clean and reinstall the MAFS (rear of the air pipe just outside the air filter). 6V and not 2. Black 2008 navara aventura auto. Sep 15, 2012 · Easiest way to tell is to watch the actuator arm that goes into the turbocharger (it's underneath the actuator, about 8-10mm thick). It turned out to be a small crack in the metal pipe over on the other side of the engine. Sep 18, 2018 · Hello, I have a problem with my 05 Navara D40 manual. Apr 24, 2023 · I did too take off whole presurized system from turbo to throttle intake, cleaned, checked for leaks, replaced Boost Solenoid Valve and Turbo Boost pressure sensor. Above 2000rpm the ute drives as normal but under that it is very very sluggish and really slow from a standing start. When it's up, nothing. ) a vacuum fault (leaking hose etc. 2007 Euro 4 171 Outlaw, General Grabber AT2's, LED's all round, Egr blanked, Hard pipe Kit. The other day I gunned it up a hill and the realised I had a loss of power. Apr 1, 2021 · It already has an exhaust, intake and a remapped ECU, which made 155rwkw on stock turbos. In older models (pre 2012) it was vacuum controlled, later models had an electronic actuator. 5 190 Tekna Connect in WHITE with BLACK 22s 1995 Subaru Impreza WRX as my weekend toy A High Flow Billet UPGRADE replacement BV45 / 14411-5X01 turbo with stepper motor can be found here. #1. any advice !!!! S. Vehicle: NISSAN D40 Navara / Pathfinder 2. 19198 posts · Joined 2007. #1 · Mar 24, 2022. It was driven for about 100km in this condition, with speed reducing to as little as 40km per hour up hill. Hey all, Another dumb question from yours truly. 5 turbo diesel d40. Thought the problem was solved but it returned a few minutes later, disappeared for about 5 mins of ordinary driving and then returned. When the car is at idle it is giving 2 volts and not 2. If you have other queries on matching an aftermarket Nissan Navara turbocharger to your vehicle, please contact our sales support on: 0490 059 316. 5L YD25 Gaskets: This turbo comes with a free gaskets set as photo shows. Mmm would be cheaper to rebuild but two of my friends have recently had issues with turbo rebuilds, one done in WA, one done in QLD. Some folks report a "severe loss of power", others call it "going into limp mode" or "safe . On the flat at about 100 kph if I put the throttle on, all I got was black smoke. The boost control solenoid and the associated pipes often give trouble. #5. The end result was that they were not getting vacuum on the pipe from the vacuum pump. I have a 2009 Navara D40, 4x4 4dr, 2. edit: going by the D40 and early YD25 D22 manuals it looks like the map sensor is built Dec 2, 2012 · Take a look. Go into Limp Mode with Next to zero power. Damaged boost sensor (or a poor electrical connection to it). This loss of revs from 3rd up is in the vicinity of 400-500rpm so down Mar 14, 2012 · 11. The whistle (like a siren?) is possibly down to a boost leak, or worn bearings in the turbo. No movement means either the actuator is broken or isn't getting the vacuum. Jul 9, 2011 · Exhaust temps! G,day Boss, The lads at Townsville Mechanical Services informed me that the Navara D40 was one of the worst vehicles for excessive exhaust temps. The hard pipes fit directly to the metal fittings on both the intercooler and turbo end, there is a single flex pipe in between to allow some movement. Would rev fine, but wouldn't boost if I pressed on the throttle hard, so its power was restricted. You could lose vacuum through any crack in the line, but also inside the brake booster which is vacuum assisted. Starts and runs, no smoke, doesnt limp. no real point to increasing boost, its not going to go any faster. 16K views 14 replies 5 participants last post by ahmed Oct 9, 2023. You can see 90% of the pipe in the photo I posted. Location. Leaders in the Supply of Affordable Turbos, servicing ALL Australia Apr 1, 2010 · Dec 12, 2012. Long story extremely short, I did a dual chain mod, s/mass flywheel and HD clutch. Welcome aboard. I have checked the boost solenoid and it was working but I replaced Feb 26, 2012 · 1631 posts · Joined 2011. Turbo Lab TT · September 21, 2021 · Follow. 831. On the turbo just below the diaphragm there is an actuator rod. Navara turbo quick checks on vehicle. The turbo make this whirring sound like a police siren when you accelerate and decelerate but it make no noise when you are at a constant RPM. Have a 2007 2. Mine's done it when the hose popped off my Tillix valve and the turbo was given full "go". Mar 31, 2015 · Mar 31, 2015. by landb21@bigpond. This solenoid talks to the Engine ECU and control the Boost pressure required by the Variable vane turbo. hey man mine did the exact same thing at 140,000kms it shit a boost solenoid. May 2, 2021 · D40 boost solenoid replaced - ute won't start. Jan 13, 2020 · D40. Nissan mechanics tell me this is a common turbo problem, Nissan wont help. Triton's and Hilux's have nice turbo whistle especially when there spooling up but my D40 is none existant. If your rail pressure doesn't go over the midpoint, then it could be a faulty pressure sensor or perhaps even a dodgy connection. Jul 30, 2009. Feb 14, 2011 · Feb 7, 2014. JAFO. 210,000 kms. 6 ohms when I believe it should be 12. Supermike said: Well I'm back again. Apply throttle slowly and the boost comes on. #Nissan #Navara #Turbo #SensorNissan Navara D40 Auto, turbo unable to activate due to sensor issue, no power and KM/H remain same while full-press the accele Oct 1, 2019 · 19198 posts · Joined 2007. . Fitted the Factory snorkel on the weekend no turbo whistle now and none before it was fitted. The stock d22 turbo is honestly a TINY pos running more boost on it does jack shit. As Bluenavara points out, stopping the engine (turning off the motor) after being at significant boost will stop the oil flowing through the turbo bearings. Mine's an auto, if it were a manual it'd feel like it couldn't rev. #15 · May 4, 2010. probably 2800-3000 rpm would be the highest boost point before the turbo starts to drop of. Turbo whistle does get louder when de-cat is done but it is also a symptom of leaking boost so still worth investigation. Oct 27, 2020 · Nov 5, 2020. If vanes stuck, so may be the actuator and the pos sensor, and the ECU should pick it up. It was driven last night with what we believe was a failing boost solenoid. I have a 2006 D40 YD25 Navara STX. 5 DCI Outlaw in storm grey, standard June 08 - Feb 11 2008 D40 2. Lost power - clouds of black diesel smoke, (Engine light NOT on) Limped home did the following:- Changed air filter Changed fuel filter (primed system … Jan 18, 2014 · After doing some more reading on the topic and driving around trying to describe the problem could be perhaps be better labelled as a surge from 2000rpm until about 2500rpm. Not sure if this is an issue. A hot turbo will cook the oil very quickly, and burnt oil forms a nice hard varnish. rawkus123 Discussion starter. Nov 19, 2008 · NO ! ! ! ! there is no boost type wastegate on the YD25. I replaced my turbocharger with a Forefront unit and it's perfect. The following has been replaced or cleaned; Suction Control Valve (SVC), Vacuum Turbo Boost Control (TBC), Fuel Pressure Relief Valve (FPR), Cleaned Mass Air Pressure (MAP), Replaced Fuel Filter, Replaced Air Cleaner Element, Replacement of all vacuum hose tubing. Now take a hose off the baffles (the little metal widget high up on the side of the Apr 1, 2021 · It already has an exhaust, intake and a remapped ECU, which made 155rwkw on stock turbos. Jan 13, 2020 · The other day my D40 decided to loose power. 2. Loss of cruise control, loss of power up hills, clouds of black smoke. 5 ohms. May 13, 2019 · freemansteve. BIG static drop, tubs, billet wheels, and we'll look at a turbo upgrade and some other parts. I think somebody posted a picture of where the crack was, have a search on Jun 10, 2015 · at idle, the boost lever can be seen to move up and down fairly slowly if it is working, if not working, it will not move at all - see picture, it is the rusy rod underneath the once gold thing on the turbo. Drive the car (but try not to come off the throttle too quickly). 2729 posts · Joined 2014. As said if it is leaking boost its likely just a split hose as its very common and they do get brittle as they get older. Both had garnet left in the housings from sandblasting process, one had incorrectly seated bearing, turned out to be non genuine parts, both turbos had to be sent Jul 19, 2020 · Might be times where i get 18psi when on lower gear at low speeds. 5. Go into semi-limp mode, blow heaps of smoke, with 40% power. #23 · Feb 20, 2021. April 11 - 2011 D40 2. Dec 27, 2016. If it were out by 10psi it'd be different 30psi in a D40 is quite "out there". I know one line from bcs goes to the turbo actuator that's a given 2009 D40 Navara YD25 No Boost. 5l YD25 Turbo Diesel Engine. its the same as the D40, its a vac control line for the variable turbo. DTE PDI chip. It should turn smoothly, if it looks off-centre or doesn't turn smooth the turbo is gone. Close the throttle however (as in when you would change gear or decelerate quickly), and the pressure maintains due to the momentum of the turbine wheel spinning incredibly fast, however the airflow has stopped because the throttle is closed. Just bought a new solenoid and installed it. It is logged once the vehicle's powertrain control module (PCM) perceives that the boost pressure in t May 23, 2012 · Sydney. 62 posts · Joined 2007. We have a 2009 manual Navara D40. Run a fresh hose from the vac pump to the solenoid, then from the solenoid to the turbo. Took the vacuum boost solenoid out, cleaned it as good as I could and got a little more boost. 1. Have D40 Nav in now, it's making zero boost, Data shows 99kpa at Idle and 102KPA full load at all RPM points. Slow boost could be vac leaks but there's also the solenoid - which might be failing or may just have an electrical gremlin in its connector. Dec 3, 2022 · Pop the hose off the intake of the turbocharger. Mar 12, 2018 · Driving me nuts! My D40 is not boosting as it use to , I’ll try my hardest to explain. Dec 20, 2012 · Fuel rail pressure to start. #2 · Apr 28, 2022. A couple of people have had this same issue. I hadn't thought of a boost gauge myself - it's not something that I had considered dangerous to the vehicle's operation, as Mar 19, 2018 · landmannnn. Nissan Navara D40 Thai built models with VIN# starting with MNT with the YD25 engine. 5 diesel turbo. Have a read here. Turbo Lag. Nov 3, 2011 · Jan 10, 2012. Apr 4, 2015. Driving along the M23 on Tuesday with the cruise control on, put my foot down to overtake and doesn't pick up, checked behind me and I'm leaving a Bond style smoke screen. Now this should go to the control module. No change. the boost controller will help get rid of wastegate creep and bring on full boost earlier. Dec 8, 2010 · Alternator pully bearings. 5 yd25 with no boost. Sticky vanes should be really obvious with a cold engine - tomorrow Aug 4, 2022 · YD25 no boost. itll pump in heaps of fuel (hence the black smoke) but little to no boost. Aug 5, 2011 · No power especially in 5th/6th gear. about $320 for a solenoid i think. Noticed it a few weeks ago, that I literally had no boost, truck would get to 2500rpm then wouldn't rev anymore, no black smoke from exhaust I might add. There are five main things that affect the movement of the actuator arm, in order of common-ness: 1) Vac hoses - Cost about $20 to replace the whole lot from the vac pump on the intake side of the engine all the way to the turbo via the solenoid. If boost is now present and plenty of power, you know: Jun 29, 2021 · landmannnn. Jun 14, 2020 · I took off the boost control solenoid to clean it to try and help with the major turbo whistle I was suffering. Perfect condition except for the dead motor. According to the specs, the maximum torque is produced at 1750 rpm, 550nm. 829. #5 · Mar 21, 2018. It's highly likely that the actuator itself is only available from Honeywell Garrett. I'm not sure if you've got the YD25, I'll assume so for the details but this applies to Jul 12, 2009 · D40 turbo diesel engine issues. e. From new it has been surging / pulsating on like acceleration from take-off. This required some welding and fabrication but all in all not terribly hard. Think about the NVH insulation cutting high frequency noises down. Took it off, sprayed cleaner down the hole, dried it out and re-attached. Tested the boost sensor and boost control solenoid. DTC P0234 Stands for Turbocharger Overboost Condition. Dec 13, 2010 · Sep 5, 2017. Usually feels a little more powerful, and no sign of black smoke. Nov 29, 2017 · When your engine is under load, the engine is consuming air and your turbo is creating pressure (boost). No history available. #42. Nissan, when confronted with this issue, have told customers the noise is “normal for the vehicle”. 5 DCI Aventura in black with bling bling and 22s. I'd say you've found the actuator, there should be a small (3mm inside diameter) hose running from it to a "Boost Control Solenoid" (BCS) mounted on the hard pipe that leads to the intercooler at the front of the engine bay. Before the turbo kicks in, the turbine has to spin fast. Jan 16, 2022. Underneath this is a shaft that goes into the turbo and this shaft should move with changing demands on the motor. The turbo is ok, minimal shaft play and rotates freely, The VNT actuator holds May 28, 2015 · Heya, Pretty sure this is the turbo, but before I break out the socket set I thought I'd ask the collective just in case. my old l200 4 life felt quicker. clutch pin sometimes requires adjustment to stop rattling from behind dash. Basically the factory turbo oil seals went so instead of paying premium for a new Nissan/Garrett turbo i decided to upgrade to a GTi-R T28 turbo. M. A part which is important in keeping the turbo and engine running smoothly. Once I turn engine off, then back on again the problem clears. The truck has lost boost and is overfueling with large amounts of black smoke from the exhaust. Jul 15, 2013 · When the above filter changes etc was done, the truck pulled good with no black smoke on heavy acceleration. The actuator on the turbo must pulse at idle, not pulsing means something is wrong. Aug 11, 2011 · July 06 - June 08 2006 D40 2. Boost sensor tests fine. Gasket kit cost sounds about right. It's not actually a waste gate, it is the ECU controlling the variable vanes on the turbo. 4bar it is giving 2. Dec 26, 2020 · One way of checking is to put the vac hose directly on the actuator. Try to give the impeller a turn - if the engine's cold it should be a little stiff, might feel like a motorcycle throttle. There are no issues with the car. Yestrday on the way to work I got off the motorway and the ute had really slow acceleration until the revs hit 2250rpm and the turbo kicked in. Feb 22, 2023 · Here are the six most common possibilities when there’s a boost leak. Remove the air supply hose (air filter to turbo) off the turbo and check there is no sideways movement on the turbo compressor wheel, It should spin easy with no side to side Legacy Issues: Under Heavy Acceleration, the engine would either do one of three things -. #3. But in a dynamic system (i. If you temporarily connect the vacuum pipe (to the boost control solenoid) on the actuator you should see the actuator plunger move. It's one of the first signs, in the D40 YD25, that you've got coolant loss. If there's no heater function your coolant level is too low. There are generally 3 ways your Nissan Navara boost control solenoid can fail, it can be an electrical fault (fuse, connector etc. Pull the hose from the actuator on top of the turbo and plug the hose from the vacuum directly on top. There's also the possibility that the turbo vanes are sticking, or the vac diaphragm in the turbo actuator has a leak. Might be vanes, as I said about, but I'm surprised by no fault code - I thought the actuator also had a position sensor for determining the vane position. The noise is caused by the Variable Vane Turbo Control. My Navara D40 has the same issue. I can hear the turbo spool up and sounds fine. yougmkehkegrpxwlqqdv