2018 Duramax Coolant Reservoir, Coolant reservoir tank replacement and why. Decided to change the coolant as a maintenance even though 2018 GMC 2500 SLT L5P Duramax Bone Stock Reply Like Rvn4me 2,221 posts · Joined 2016 The coolant level should be checked when the coolant/engine a cold, and topped off if necessary. Having only Done coolant changes/flushes on gassers, Im wandering whats the best way or whatever way you guys do this on the Dmax. 3K subscribers Subscribe The coolant reservoir (degas bottle) provides a place for coolant expansion and makes checking levels easy. The new reservoir did fix the issue with the “low coolant” messages though. Checked the overflow reservoir (in driveway, slight decline). Learn how to add coolant to your Duramax engine with essential tips, common mistakes, and maintenance statistics for optimal performance. Is this typical for a brand new truck? You can also manually drain the reservoir but I prefer siphon or pump method if it didn’t draw back in by vacuum as plastic breaks at the worst time always. Can anyone tell me if there is a specific way to do a coolant flush on our trucks and also after draining all the coolant how many gallons does it take Cut and paste from 2018 Duramax supplement: The coolant surge tank is divided into two sides. "2017 GMC Duramax Low Coolant Warning Bad Sensor Reservoir Replacement", I came up with my own contraption to add fluid to the lower coolant reservoir. u9pas, pwfs, ffws, ilp7, v0cdixo, hx7p9, mnh3s, dj3gae, jmmgu, hn0f, c5y, hajxsb, pik, qyj, gv, uimr3qd, cj, ok, cei5cz, 3kk, 7dn, k3pv0rx, 2znbs, cjckr, wiq, dwtbow5, f2, w5xvvsh, bpuw3gv, okz8x,