A flat is referred to as one side of the hexagonal nut and equates to 1/6 of a turn. Starting from this position, tighten the nut further by the number of flats listed above. Tighten the nut lightly with a wrench (approximately 30 in.lb.) This is considered the wrench resistance position. For 59.99 and seven minutes of your time, you can finally take full advantage of the stout L5P Duramax platform. Towing my 5th wheel, Im around 24k lbs combined and have seen the transmission temps go over 200 degrees on several occasions, mostly low speed and slight grades. With full fluid flow making it to the auxiliary transmission cooler, don’t be surprised if your transmission temp fails to exceed 165 degrees after the installeven on the hottest of summer days.
Method two FFWR (best method): 1.0 Flats from Wrench Resistance. Im in need of a trans cooler for my 2005 Silverado Duramax Dually with 5 speed Allison. The only way to tell is by measuring the thread pitch of your current fittings. Note: Some radiators may require metric adapters. KBDP transmission cooler line kit for Chevy / GMC Duramax 6.6l LB7 LLY LBZ LMM & 8.1l Gas trucks with the 5 or 6 speed Allison automatic transmission.ĭid you know the transmission cooler lines on your Allison are prone to leaking? Fix the problem before it becomes a headache!