Question about 2002 Land Rover Freelander

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Turbocharger hose and black smoke

Hose from the Turbocharger was cracked - I changed and there is no problem with power anymore but when the Turbo kicks i can see terrible black smoke behind my car...
Please HELP
cheers

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  • matthewnew Oct 24, 2008

    black smoke was only for 2 days all rubish burned out and it's grand now.

    cheers and thanx anyway



    M

  • PeterMika Nov 12, 2008

    I also have the same problem. There was a bang, then black smoke for a while, then no turbo power. The turbo is making a whirring noise. I hope its just pipes or blockages. Will check. Thanks. Peter.

  • louisejones3 Feb 21, 2009

    We had the same last year and it was a split hose which took 10 mins for my husband to replace!!! Cost £15

  • Anonymous Mar 15, 2014

    Should I CHANGE THE TYPE OF PISTONS TO ANOTHER SPECEFIED ONE WHEN SETTING UP A TURBOCHARGER? ALSO, WHAT IS THE BEST SIZE WHICH IS SUITABLE FOR MY CAR?

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Hi did you check the turbo,s housing where the turbine is for oil or signs of sooty deposits and when you had the hose off did you check the turbo,s intake pipes for blockages and check the air cleaner as well does the turbo make any wirring noises and is it petrol or diesel paul

Posted on Oct 15, 2008

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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
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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
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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.

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You must try follows if you are able to do this:
1. Engine stooped 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 the 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 the 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 of the turbine.
4. You must be able to extract the turbo from the engine and then to disassemble the turbocharger, clean inside and refit all.
Success !

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