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Gray Ghost · 08-14-2010, 08:12 AM

My 4l60e has 139k on it and works perfectly....so I shouldn't change the fluid or the filter?

08-14-2010, 08:12 AM	#14
Gray Ghost Senior Member Join Date: Sep 2004 Location: Terrell, TX Posts: 1,967	Re: Longevity Of A 5.3 My 4l60e has 139k on it and works perfectly....so I shouldn't change the fluid or the filter? __________________ Kelly '05 GMC Sierra SLE Z71 Bone stock except for new bed rail caps.