HVAC Dash Air Not Cooling Archived replied 8 years, 3 months ago 19 Members · 31 Replies Rocky And Tonya Member May 6, 2018 at 9:17 am Used some kind of stop leak purchased at auto supply store 4 years ago and so far it is working great. Give it a try. Page 3 of 3 ← 1 2 3 Log In to Reply Log in to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Log In to Reply Start of Discussion 0 of 0 replies June 2018 Now