8 880summitxrs Active member Lifetime Membership Aug 1, 2009 199 31 28 Oct 23, 2018 #1 I have a 2017 summit and was wondering, at what temp does the thermostat open? Thanks
A Andystoy Well-known member Lifetime Membership Nov 27, 2016 123 106 43 Nov 4, 2018 #2 Starts to open @ 37C(99F) and fully open @ 55C(131F). Page 94 2017 Shop Manual.
