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    Optimizer 6500 

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    Published on 11-02-2020 13:57
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    Optimizer 6500
    Diesel Power for AM General's HMMWV
    Written by Jim Bigley
    Photography by the author & AM General
    All Rights Reserved

    This article first appeared here in TheDieselPage.com in 2007.

    Since 1984, AM General's High Mobility, Multi-purpose Wheeled Vehicle (HMMWV) has been powered by the Detroit Diesel designed GM 6.2L & 6.5L diesel engines. GM's production capacity, overall low cost and adequate performance made the original GM engines a natural choice for AMG's front-line military rig. Many evolutionary changes were made to this ...
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    DmaxMaverick

    heater hose going back on...

    The plastic spring clips used to be steel wire spring clips. They work the same.

    What was the problem with it not locking on?

    DmaxMaverick Yesterday, 19:53 Go to last post
    spongebob

    heater hose going back on...

    there was no clips or spring but I got it, now Im not to the short hose on the EGR, hope there's
    something in the archives...
    the coupler

    spongebob Yesterday, 16:17 Go to last post
    DmaxMaverick

    heater hose going back on...

    The end of the heater core tube should only have a barb ring on it, as should the male end of the quick connector. You should be able to see the spring

    DmaxMaverick Yesterday, 10:41 Go to last post
    spongebob

    heater hose going back on...

    ewww, "spring clip"....the only thing I see on the male fitting is a "collar" and I see nothing inside the female coupler...

    spongebob Yesterday, 08:05 Go to last post
    DmaxMaverick

    heater hose going back on...

    The tool is only needed for disconnecting. The fitting should click into place and lock on with minimal effort. Make sure the spring clip is in place,

    DmaxMaverick Yesterday, 07:28 Go to last post