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Thread: Airbox on LLY

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  1. #1
    Join Date
    Apr 2001
    Location
    Alvin, TX, USA
    Posts
    192

    Default Airbox on LLY

    I have a 2005 with the LLY engine. Seems I remember reading that changing out the stock air intake box improves/lowers engine operating temperature somehow, especially towing. Am I remembering correctly and what does one replace it with?

  2. #2
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,573

    Arrow

    There is marked improvement upgrading to the 2006+ filtration/ducting system. Some modification is required.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  3. #3
    Join Date
    Dec 2004
    Posts
    31

    Default airbox 05 d-max

    I had mine replaced on my late 05 GMC and it made a nice difference, not only in cooling but, in better fuel economy. GM took care of the cost under a service bulletin. Search this site .. I know there is plenty of info available. Take your Max to your dealer they can research it for you... IF you have a dealer looking out for the customer.

  4. #4
    Join Date
    Mar 2007
    Location
    Pacific Northwest
    Posts
    740

    Arrow Over heat.......................

    Here is the bulletin.............................


    #06-06-04-036D: Engine Overheats or Runs Hot in High Ambient Temperature When Towing or Hauling on Long Inclines (Install 2006 Air Cleaner Assembly) - (Jun 4, 2007)



    There is a software upgrade that goes along with it.
    1998 Chevy k-2500 454 147,000 miles and climbing!

    1993 Pontiac G/A Big Block 3.3 Liter 140,000 miles and still going too!

  5. #5
    Join Date
    Apr 2001
    Location
    Alvin, TX, USA
    Posts
    192

    Default

    #06-06-04-036D: Engine Overheats or Runs Hot in High Ambient Temperature When Towing or Hauling on Long Inclines (Install 2006 Air Cleaner Assembly) - (Jun 4, 2007)

    Can't say mine runs hot. Did see it go above 210 once for a short period pulling a long incline. Do notice fan kicks in a lot when towing in hot weather and tranny temps get up to 195 pretty easily. Does that meet the bulletin criteria to get GM to replace airbox? By the way, I've got about 85K miles. I assume this might be covered un der the 100K warranty?

  6. #6
    Join Date
    Mar 2007
    Location
    Pacific Northwest
    Posts
    740

    Default

    The document doesn't really say if it is covered under the 5 year/ 100k mile warranty. I would assume so. There are several checks that have to be made before performing the repair. Send me your personal e-mail in a private message and I will send the document to you.
    1998 Chevy k-2500 454 147,000 miles and climbing!

    1993 Pontiac G/A Big Block 3.3 Liter 140,000 miles and still going too!

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