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| Unscrew both bolts-arrows- for the air pipes -1- on the lock carrier plate. |
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| Remove the air conduit -1- from the air filter housing. |
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| Release hose clip securing air hose (coming from turbocharger) and disconnect hose from air mass meter -G70-. |
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| Unscrew both bolts of the air mass meter -G70-. |
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| Then carefully extract the air mass meter -G70- from the air filter housing guide. |
| For the air mass gauge -G70- to work properly, respect the instructions and work procedures which are described below. |
Note | t
| If the air filter element is very dirty or wet, dirt or water could reach the air mass meter -G70- and affect the air mass value. This would lead to loss of power, since a smaller injection quantity is calculated. |
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| Always use a genuine spare part air filter element. |
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| Use silicone-free lubricant when fitting air intake hose. |
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| Check for salt residue, dirt and leaves in air mass meter and air intake hose (engine intake side). |
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| Check for dirt in intake port leading to air filter element. If there is dirt, clean the upper and lower air filter housing elements of salts, dirt and leaves, washing or hoovering as necessary. |
| Perform remaining installation in reverse order of removal. |
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