Posted February 4, 201410 yr Car always runs hot. Recent new water pump and coolant, still runs hot. Just had a nose under the bonnet and, all the rad is warm (not blocked), heaters are boiling, all hoses are hot except the one on the bottom of the expansion tank!! Air in system? Whats the best way to get all the air out?
February 5, 201410 yr Author Yes possibly. The heaters do get warm very quick though and stay warm, does that mean the thermostat is opening? When fitting a new thermostat, is it meant to go in a certain way? Hole at top or bottom.... sure I've read that somewhere..
February 5, 201410 yr to get the air out. open the top of cap of the coolant reservoir. turn the engine on. walk away. come back an hour later lol i had to do this 3 or 4 times to get the air out of my focus
February 5, 201410 yr Author Whats the best way to determine if its an air lock, or stuck stat? Heaters get hot very quick and stay hot.Bottom return pipe on expansion tank is cold.......all other pipes are hot
February 6, 201410 yr Yes possibly. The heaters do get warm very quick though and stay warm, does that mean the thermostat is opening? When fitting a new thermostat, is it meant to go in a certain way? Hole at top or bottom.... sure I've read that somewhere.. The hole is the air bleed so should be at top.
February 8, 201410 yr Yes possibly. The heaters do get warm very quick though and stay warm, does that mean the thermostat is opening? When fitting a new thermostat, is it meant to go in a certain way? Hole at top or bottom.... sure I've read that somewhere..the hole goes to the top. its a breather hole
June 10, 201410 yr Sorry to bump an old'ish' post but I'm having exactly the same symptoms, so rather than starting another thread... does anybody know the outcome of this problem!? Thanks!
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