Injector (206), Z19DT
Injector (206), Z19DT |
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Important | ||
Be very thorough in terms of cleanliness when working in the fuel system. Malfunctions can also occur due to very small dirt particles. Prevent dirt from entering the fuel system by cleaning the hoses and plugging the pipes and lines upon removal using 93 161 370 Plug set. Store the components so that contaminants cannot enter. |
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Important | ||
Always use wing covers when working in the engine bay. |
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To remove |
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Important | ||
If the injectors are to be refitted, mark the injectors so that they can be refitted to the same cylinder. |
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1. |
Remove the upper engine cover and insulation.
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2. |
Remove the fuel return hose clip.
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3. |
Remove the injector fuel return hose.
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4. |
Remove the connectors from the injectors.
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5. |
Detach the wiring harness from the intake manifold.
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6. |
Remove the fuel pipes from the injectors. Hold the injector with a spanner when detaching the pipe.
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7. |
Remove the nut and washer holding the injector.
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8. |
Undo the injector with holder. If the nozzles cannot be lifted by hand, use removal tool:
32 025 013 Injector removal tool
together with
83 90 270 Sliding hammer
and
32 025 012 Sliding hammer adapter
.
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9. |
Remove the injectors in the following order:
1-2-3-4
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10. |
Clean the injector sealing surfaces in the cylinder head. Use
32 025 010 Cleaning tool.
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To fit |
Important | ||
If new injectors are to be fitted, read and make a note of its classification code. The code is to be used when programming using the diagnostic tool. |
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1. |
Fit the injectors with new seals in the following order: 4-3-2-1.
Tightening torque 25 Nm (18 lbf ft) |
2. |
Fit the nut and washer holding the injector.
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3. |
Check that the fuel pipe sealing surfaces are not damaged and are clean. Fit the pipes without strain and mount the nuts by hand.
Tightening torque 25 Nm (18 lbf ft) |
4. |
Fit the wiring harness to the intake manifold.
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5. |
Fit the connectors to the injectors.
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6. |
Fit the injector fuel return hose.
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7. |
Fit the fuel return hose clip.
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8. |
If new injectors are fitted
: Connect the diagnostic tool for programming. Select Menu - Engine - Engine management system - Adjustment -
Injector Replaced.
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9. |
Connect an exhaust hose and start the engine. Check the fuel system for leaks.
Connect the diagnostic tool and erase any diagnostic trouble codes. |
10. |
Fit the insulation and the upper engine cover.
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