• 6.5L GM Diesel

    Optimizer 6500 

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    More Power
    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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    Yukon6.2

    1992 6.5 crank no start

    The metal filings stuck to the solenoid don't look very promising...
    Looks like a lot of debris inside the pump as well
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    Yukon6.2 Today, 10:44 Go to last post
    Robyn

    1992 6.5 crank no start

    Be very sure when you reinstall the Top of the IP (Solenoid) that the linkage fits in correctly.
    Activating the solenoid should make a distinct

    Robyn Today, 08:48 Go to last post
    atikovi

    1992 6.5 crank no start

    Got back to the truck and removed the stop solenoid cover. So how does it look inside?



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    Yukon6.2

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