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How many hose clamps did you find under-tightened on your Diesel intake?

  • 1

    Votes: 7 14.0%
  • 3

    Votes: 12 24.0%
  • 4

    Votes: 9 18.0%
  • All 5

    Votes: 6 12.0%
  • None

    Votes: 16 32.0%

How Many Under-tightened Diesel Intake Clamps

50819 Views 91 Replies 33 Participants Last post by  beaurrr
On the intake of the Diesel, there are 5 hose clamps holding together the various pieces between the air filter and the entrance to the turbo. These are the type that use a flat head screw to tighten them around the tube. When I checked mine tonight while changing my air filters, I discovered that 3 of the 5 were under-tightened--two of them so loose I could turn the screws by hand without a screwdriver. As un-metered air entering the intake has been proposed as a contributing factor to the sensor failures that some of us have experienced, this is something we should all probably check, along with visually inspecting for areas that could be drawing air. I would like as many Diesel owners as possible to check their hose clamps and report in the poll above how many were under-tightened. If you had any under-tightened clamps, post the age and mileage of your vehicle below. (2 years, 46,000 miles for me.
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2014 (2 1/2 years old) 65,000 miles. 4 of 5 clamps took 1 1/2 to 2 full turns. The one closest to the turbo took 1/8th turn only.
 

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After almost a year and 27,000 miles, did another check today. The first three clamps starting from the air filter box required about 3/4-1 turn each.

The last two clamps near the turbo were still tight.
 
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