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I am mechanical engineer.but in my mind there is one concept that i want to implement.i think that there is better option for turbine instade of air or water for blade rotation.so can we make blade rotation with the spring or with the help of pulsing msgnetic field

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Would not a pulsing magnetic field simply be an AC motor?

Posted on Dec 11, 2014

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What would cause the Turbo on my 2010 Mondeo not to work in 1st & 2nd gear ? but works ok in the rest


check the turbo vane actuator is operational or the vacuum hose to it is not cracked or broken
the system can become difficult to operate from heat
in the turbine side ( exhaust) there is a series of vanes that move to direct the gas flow better onto the turbine wheel for better acceleration at low engine speeds as the gas flow in creases these vanes move outwards for better gas low
remember that the only thing that makes a turbo is exhaust and it has to be hot from extra fuel being burnt and expanding to spin the turbine wheel
at light engine loads that fuel is not being supplied and so if the vanes are not moving freely the turbo will not perform properly
Take it to an accredited turbo specialist for tests and a proper diagnosis and quote

Jul 10, 2016 | Ford Mondeo Cars & Trucks

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How to fix AUDI + VW "limp mode"


If the car goes in "limp mode"!!!
After scan the EDC-15P engine control unit with a VAG or KTS -BOSCH diagnosis tool you will find this: Fault code: P1557-Turbo Boost pressure control exceeded
1. Engine stopped and ignition switch off. Check all pneumatic connections and hoses between turbocharger actuator = pressure unit for boost-pressure control, boost-pressure control solenoid valve, vacuum reservoir, EGR control solenoid valve, intake-manifold flap solenoid valve, EGR valve with throttle - part of intake manifold. Also the vacuum connection between tandem pump and brake booster. If you find something wrong replace parts. If not go to step 2.
2. Extract the hose of the turbocharger actuator = pressure unit for boost-pressure control part of turbocharger. Instead of the original hose you must place another 1 meter long hose with the same inside diameter, and then you check to inspire yourself the air from the other one extremity of this hose. The mechanical connecting rod of the turbocharger actuator must have a smooth and whole motion. If you can do that with your mouth, then you must replace the boost-pressure control solenoid valve. If you can not reach this with your mouth, then you go to step 3.
3. This is the most difficult work. The problem is that the soot particles deposits inside the turbocharger plugging the variable nozzle geometry mechanism = adjustable vanes of the turbine. If the turbocharger actuator is not able to adjust the turbine vanes the charge air pressure increase too much and ECU (engine control unit) go in "limp mode" = engine protection software. As a result the "limp mode" engine still running until you turn the engine off (ignition switch off) and back on when the "limp mode" is deactivated, but the fault still remain in ECU memory!
4. You must be able to extract the turbo from the engine and then to disassemble the turbocharger, clean inside adjustable vanes mechanism and refit all.

on Dec 05, 2009 | Audi A4 Cars & Trucks

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How to fix "limp mode" on Audi TDI


If the car goes in "limp mode"!!!
After scan the EDC-15P engine control unit with a VAG or KTS -BOSCH diagnosis tool you will find this: Fault code: P1557-Turbo Boost pressure control exceeded
1. Engine stopped and ignition switch off. Check all pneumatic connections and hoses between turbocharger actuator = pressure unit for boost-pressure control, boost-pressure control solenoid valve, vacuum reservoir, EGR control solenoid valve, intake-manifold flap solenoid valve, EGR valve with throttle - part of intake manifold. Also the vacuum connection between tandem pump and brake booster. If you find something wrong replace parts. If not go to step 2.
2. Extract the hose of the turbocharger actuator = pressure unit for boost-pressure control part of turbocharger. Instead of the original hose you must place another 1 meter long hose with the same inside diameter, and then you check to inspire yourself the air from the other one extremity of this hose. The mechanical connecting rod of the turbocharger actuator must have a smooth and whole motion. If you can do that with your mouth, then you must replace the boost-pressure control solenoid valve. If you can not reach this with your mouth, then you go to step 3.
3. This is the most difficult work. The problem is that the soot particles deposits inside the turbocharger plugging the variable nozzle geometry mechanism = adjustable vanes of the turbine. If the turbocharger actuator is not able to adjust the turbine vanes the charge air pressure increase too much and ECU (engine control unit) go in "limp mode" = engine protection software. As a result the "limp mode" engine still running until you turn the engine off (ignition switch off) and back on when the "limp mode" is deactivated, but the fault still remain in ECU memory!
4. You must be able to extract the turbo from the engine and then to disassemble the turbocharger, clean inside adjustable vanes mechanism and refit all.

on Dec 04, 2009 | Audi A4 Cars & Trucks

1 Answer

I am looking for a ECU pinout or a Diagram. I am throwing a "turbine overspeed" code (P0716) on a non turbo car. Also P0721 and P0705 On second ECU with the same issue.


Hello. You are confusing the turbine over speed control sensor module of the car's transmission, with a turbo charger- a forced air induction device, of a car's engine. One has nothing to do with the other.

The turbine over-speed control module is basically a sensor that reads the speed of the transmission's input shaft (torque converter) in relation to the speed of the output shaft- transmission speed ratio/gear.

Simply put- when the P0716 error code displays, it means that the ECM has detected the value(s) of the input sensor as being out of range, like being too high or too low; or that there is some bad wiring issue in the circuit.

When this happens, the subsequent P0721 output speed sensor and P0705 transmission range sensor circuit malfunction error codes appear- and does not necessarily mean that the entire transmission components (electronic modules, sensors, or mechanical parts) have malfunctioned leading to a major transmission overhaul.

It is most likely that the Input Turbine Speed sensor needs to be replaced. Take the car to a well qualified SAE certified transmission specialist who has precise diagnostic and transmission control readers and are able to reset the computerized transmission modules once the repair is made.

Feb 20, 2015 | 2006 Kia Sorento

1 Answer

Lt35 turbo sensor problems


how often do you change your oil?,turbo engines tend to cook your engine oil,because of the turbine is also cooled by the same oil,check to make sure your oil is not black or (burned),should change every 2500 miles on a turbo,those little turbines get hotter than the engine,also make sure their is no air leakage in your air cooler,that can burn up your turbine!

Mar 05, 2013 | 2001 Volkswagen Golf

1 Answer

Turbo refuses to supply power when accelerating. Manual gear changing necessary to attain top (6th) gear.


The car goes in "limp home" mode:
After scanning the Engine Control Module (ECM) with a VAG or similar diagnostic tool you will find this: Fault code: P1557-Turbo Boost pressure control exceeded
1. Engine stopped and ignition switch off. Check all pneumatic connections and hoses between turbocharger actuator = pressure unit for boost-pressure control, boost-pressure control solenoid valve, vacuum reservoir, EGR control solenoid valve, intake-manifold flap solenoid valve, EGR valve with throttle - part of intake manifold. Also the vacuum connection between tandem pump and brake booster. If you find something wrong replace parts. If not go to step 2.
2. Extract the hose of the turbocharger actuator = pressure unit for boost-pressure control part of turbocharger. Instead of the original hose you must place another 1 meter long hose with the same inside diameter, and then you check to inspire yourself the air from the other one extremity of this hose. The mechanical connecting rod of the turbocharger actuator must have a smooth and whole motion. If you can do that with your mouth, then you must replace the boost-pressure control solenoid valve. If you can not reach this with your mouth, then you go to step 3.
3. This is the most difficult work. The problem is that the soot particles deposits inside the turbocharger plugging the variable nozzle geometry mechanism = adjustable vanes of the turbine. If the turbocharger actuator is not able to adjust the turbine vanes the charge air pressure increase too much and ECU (engine control unit) go in "limp mode" = engine protection software. As a result the "limp home" mode engine still running until you turn the engine off (ignition switch off) and back on when the "limp mode" is deactivated, but the fault still remain in ECU memory!
4. You must be able to extract the turbo from the engine and then to disassemble the turbocharger, clean inside adjustable vanes mechanism and refit all.

May 24, 2011 | Volkswagen Passat Cars & Trucks

1 Answer

I need to find a free complete diagram for a turbo charger off of a 1987 toyota pickup 22ret


22r-Te
  1. Disconnect the negative battery cable.
  2. Drain the coolant.

CAUTION

When draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Disconnect the O2 sensor wire clamp and connector.
  2. Disconnect the Nos. 1 and 3 PCV hoses.
85783063.gif

Exploded view of the turbocharger-22R-TE engine
Click to Enlarge 85783064.gif

Installing air cleaner hose-22R-TE engine
Click to Enlarge 85783065.gif

Clip installation-22R-TE engine
Click to Enlarge

  1. Disconnect the Nos. 1 and 2 turbocharger water hoses.
  2. Loosen the clamp on the throttle body, remove the two nuts and lift off the air tube assembly.
  3. Remove the No. 1 air cleaner hose assembly and the No. 2 air cleaner hose.
  4. Remove the exhaust manifold and turbocharger heat insulators.
  5. Disconnect the No. 3 turbocharger water hose.
  6. Raise the truck and disconnect the exhaust pipe from the turbine outlet.
  7. Remove the turbocharger bracket stay.
  8. Disconnect the turbocharger oil pipe.
  9. Remove the turbocharger and exhaust manifold as an assembly.
  10. Remove the No. 2 turbocharger water pipe.
  11. Remove the oil pipe.
  12. Remove the No. 1 water pipe.
  13. Remove the turbine outlet elbow with the O2 sensor attached.
  14. Disconnect the turbocharger from the manifold.

To install:

  1. Pour approximately 20cc of new oil into the oil inlet and then turn the turbocharger impeller wheel so as to wet the bearing.
  2. Using a new gasket, attach the turbocharger to the manifold and tighten the nuts to 29 ft. lbs. (39 Nm).
  3. Install the turbine outlet elbow and tighten the nuts to 19 ft. lbs. (25 Nm).
  4. Install the No. 1 water pipe. Install the turbo oil pipe and tighten the nuts to 14 ft. lbs. (19 Nm).
  5. Install the No. 2 water pipe and then mount the assembly to the cylinder head.
  6. Install the oil pipe and tighten the union bolt to 20 ft. lbs. (27 Nm). Tighten the nuts to 14 ft. lbs. (19 Nm).
  7. Install the turbocharger bracket stay.
  8. Connect the exhaust pipe to the turbine outlet elbow and tighten the nuts to 32 ft. lbs. (43 Nm). Lower the truck.
  9. Connect the No. 3 water hose and install the heat insulators.
  10. Install the No. 2 air cleaner hose with the arrow facing the turbocharger and fasten the clip as shown.
  11. Install the air tube assembly. Connect the O2 sensor and clamp.
  12. Refill the engine with coolant, start it and check for leaks.
  13. shinehutt_48.gif
  14. shinehutt_49.gif
i hope this will help you

plz comment reply if you have any questions

Jan 20, 2011 | Toyota Pickup Cars & Trucks

2 Answers

Turbo/supercharger under boost


Turbocharger under boost problem:
The car goes in "limp mode"!!!
After scan the EDC-15P engine control unit with a VAG or KTS -BOSCH diagnosis tool you will find this DTC - Fault code: P1557-Turbo Boost pressure control exceeded
1. Engine stopped and ignition switch off. Check all pneumatic connections and hoses between turbocharger actuator = pressure unit for boost-pressure control, boost-pressure control solenoid valve, vacuum reservoir, EGR control solenoid valve, intake-manifold flap solenoid valve, EGR valve with throttle - part of intake manifold. Also the vacuum connection between tandem pump and brake booster. If you find something wrong replace parts. If not go to step 2.
2. Extract the hose of the turbocharger actuator = pressure unit for boost-pressure control part of turbocharger. Instead of the original hose you must place another 1 meter long hose with the same inside diameter, and then you check to inspire yourself the air from the other one extremity of this hose. The mechanical connecting rod of the turbocharger actuator must have a smooth and whole motion. If you can do that with your mouth, then you must replace the boost-pressure control solenoid valve. If you can not reach this with your mouth, then you go to step 3.
3. This is the most difficult work. The problem is that the soot particles deposits inside the turbocharger plugging the variable nozzle geometry mechanism = adjustable vanes of the turbine. If the turbocharger actuator is not able to adjust the turbine vanes the charge air pressure increase too much and ECU (engine control unit) go in "limp mode" = engine protection software. As a result the "limp mode" engine still running until you turn the engine off (ignition switch off) and back on when the "limp mode" is deactivated, but the fault still remain in ECU memory!
4. You must be able to extract the turbo from the engine and then to disassemble the turbocharger, clean inside adjustable vanes mechanism and refit all.

Aug 19, 2010 | Audi A4 Cars & Trucks

1 Answer

My car is not wanting to start lately. I have a 2006 Chevrolet Equinox. it got a new battery in the fall so it shouldn't be that. i'm wondering if it is the alternator??


I have the same vehicle and it had the same issue. I am a turbine engine mechanic so I am pretty familiar with engine issues. Turned out to be the ignition coil. Cost about $70 at autozone and it isn't hard to replace if your mechanically inclined, a repair shop will charge you about 2 to 3 hours for labor (about $250) and about $200 for the part. so it's better to do yourself.

Jul 10, 2009 | 2006 Chevrolet Equinox

1 Answer

Landcruiser KZJ95W engine problem


hi, better check the TCV (timing control valve) located below the injection pump.

Jun 27, 2008 | 1996 Toyota Land Cruiser

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