Question about Ipcw Ford F150 / F250 Ld 1999 2000 2001 2002 2003 Fog Lights Projector W/ Halo Clear-1 Pair
Heater was only working on high for about a week and then it finally gave out yesterday and now there is no air at all.
You need to backflush your system, drain the system, drain the water out of the radiator plug is at the bottom of the radiator in engine bay, remove the radiator cap. when the water is out remove the water lines to the internal heater. you will find 2 pipes going into the fire wall to the cab, with and hose pipe and the heater controls on full heat flush the lines change pipes every now and then. when the water is clear coming out on both line, blow down one pipe this can some times move any hard or heavy parts left in the heater then flush out again on the line you blown down. then do the other pipe the same. now flush the engine, take the bottom hose and top hose of the radiator and flush the same way as befor you dont need to blow on this one just a good flush, now block the 2 hose's on the heater line dont connect the heater lines as you can force the muck in the engine back into the heater. then put hose in top pipe for the rad and the water should come out the bottom hose that would go to the bottom part on the radiator.when it runs clean you can now reconnect the pipes. when this is done you will need antifreeze or antifreeze summer coolant, now this can come pre done or no diluted, this is up to you or where you get it from, you need a 50/50% 50 water 50 antifreeze it is best to make it 55/45 for a full flushed engine as you will lose abit on getting the air out of the system. drained engine is 50/50. now put the antifreeze in the engine then the water 4 one liter bottles mixed other 1 full liter. then leave for 5 min. then add the water. you dont need to leave it for 5min but i do helps with bleeding air as the liquid is thicker than water at this point. then add the water slowly till it is at the top of the cap not the max past this. while filling squeeze a hose pipe. now you need to start the engine (no water cap on, heater on full with fan on 1 or off with just heat on) run engine and keep it at the level before starting engine after 3 min of engine running squeeze any and all pipe you can safely get to , don't put hands near to moving parts or fan as this can come on at any time. every now and then rev the engine 2000- 3000 rev is fine this will help get the air out. also check on the heat in the cab and the temp is rising good. when the engine get to temp and the fan kicks in to cool down the radiator turn off the engine and leave to cool down dont (DON'T) add any water at this point. when engine is cool top up to the max lin and put the cap on after your first run check pipes are fine and not leaking if any leaks it could be the pipe you put back on is not sitting right when engine is cool readjust it. heater should be working fine now.
Posted on Apr 04, 2014
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Posted on Jan 02, 2017
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