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jpmorgan37 07-23-2005, 07:42 PM When my 2004, 2500HD has been sitting for 3 or more days and I start it and put it in gear, it takes 10 to 15 seconds before the transmission engages. If I run it daily, it engages immediately. My GMC dealer says this is normal. It seems like an internal leakdown problem to me. Any body else experience this? bobo 07-23-2005, 09:20 PM :wtf1: Join date is July 2005 and your first post is this? What kind of 2500hd do you own? A Dodge or a Ford? Max Power 07-23-2005, 09:23 PM What year is your truck? This was common on some of the older trucks, the newer ones have a drain back valve to prevent this from what I understand. I believe there might have been a tsb for this but I am not positive. The transgo shift kit has a fix for this as well. Max Power 07-23-2005, 11:08 PM Transmission Slips, Delayed Engagement, Cold Hesitation, Intermittent, Poor Performance, Power Shift, DTCs P0701, P1709, P1711, P1713, P0841, P0843, P0847, P0870, P0872 or P0875 #03-07-30-011B - (Aug 3, 2004) Some customers may comment that the transmission slips, has a delayed engagement, or cold hesitation on the first start-up after sitting for a period of time. Cause Torque converter bleed down over an extended period of non-usage, usually over a week, may cause this condition. Correction Use the service procedure shown below to access and change the torque converter relief spring and lube regulator spring in the front support assembly. | ||