WebHere I will be using the upper and lower radiator hoses, one is removing coolant from the engine and the other is pumping the cooler coolant back into the engine. ... Both designs will have the input for hot coolant at the top and the bottom will be the output, feeding cooler coolant to the engine. Add Tip Ask Question Comment Download. WebThe heat from the hot coolant travels through the aluminum or copper in the radiator to the atmosphere. ... Check HOT and COLD Lines in Both Systems. Both types of AC systems operate similarly. ... Because R-134a is a smaller molecule than R-12, new barrier hoses had to be fitted to vehicles so they could use R-134a. Most manufacturers started ...
5 Bad Sign or Symptoms of Radiator Hose – Rx Mechanic
WebDec 23, 2012 · It warmed up and then immediately heated up to 224 degrees at which point I shut it off. The symptoms are: - Overheating. - When overheating, radiator, upper AND lower hoses are stone cold. - Now does not seem to be pulling coolant from overflow tank. - No bubbles in overflow tank when running. - No steam in exhaust. WebAnswer (1 of 4): That’s the way it should be when the coolant is circulating. The hot coolant enters by the top hose, is cooled by the radiator and then cooled coolant re-enters the cooling system from the bottom hose. But if indeed there is no circulation (you should be able to feel it pulse in ... underground mines in south africa
Is Upper Radiator Hose Supposed To Be Hard? (Know It Now!)
WebJul 22, 2016 · Continue to watch the temperature of both hoses, if the engine begins to overheat and both radiator hoses are cold or only one is hot, then the thermostat must be replaced. Part 4 of 9: Check for a clogged radiator. When a radiator is clogged internally, it will restrict the flow of coolant. If it clogs on the outside, it will restrict the ... WebJan 19, 2016 · This causes flow over the hot surfaces, and carries the heat from the area of the cylinders to the area of the t-stat. without that, the water's heat would take 10's of minuted to get to the t-stat. Next, when the heater hoses get too hot to touch comfortably, but before the engine overheats, the upper radiator hose should start to warm up. WebDec 13, 2011 · Not surprising; the collapsed hose is preventing circulation through the radiator, so the lower hose would be cold. Collapsing hoses are signs of: 1) a defective rad cap (the return vent isn't working); 2) old, weak radiator hoses; and/or, 3) the bottom of the reservoir is filled with "crud", blocking the return of coolant back to the engine ... underground mine tours cornwall