The Lisle funnel is useful on ANY modern engine with small coolant passages. My 1999 Subaru legacy outback had the head gasket problem and repair in 2005. It is also big enough that you can run the engine with the system open without having to worry about spilling over. The radiator cap keeps coolant in a sealed system, allows overflow to exit. The principle of the funnel is that you are creating a NEW high(er) point in the system with excess coolant that is then eliminated entirely with a cork. Watch the YouTube videos that show the coolant churning (and bubbling) in the funnel while the car is running.Ĭoolant systems are self-bleeding, yes - but what the funnel eliminates is the coolant overflow check-and-top-off step after each drive cycle for a week when you follow the standard coolant flush procedures. It locks to the header tank (which I think is the original FHI name for the upper coolant tank) using a faux radiator cap attachment. It expedites the process by getting 99% of the air out of the system without needing to wait on the cooling system to cycle 2-3 times and do this. I was gonna respond to Harey, but everyone else has done a fine job of answering every question he had. After Rad is empty remove lower Rad hose at the thermostat housing. Drain the radiator by opening the petcock on the pass side of the radiator at the bottom. Hot coolant temperatures are still a working coolant system. Drop the engine under cover (12mm socket and small flat head screwdriver for the clips on the sides. the easiest way to do this is getting the engine hot as all hell. Choose for Impreza (RS, TS) Outback, Forester, Baja or Legacy models. When you are tuning a knock sensor to a new motor, you need to induce light knock. When the temperature is high, just don't drive like a moron or you'll get knock - simple as that. the thermostat (on bmw replacement parts) have an arrow that has to be installed facing upward.if this was done correctly,to bleed the system usually there is a bleeder screw on or near the expansion tank(where you fill the coolant) and possibly on the thermostat housing. gauge (generally indicative of a head gasket failure on turbo cars). In normal driving conditions, the only time you really need to pull over and shut the car off is thermal runaway when the needle is pinned at the top of the coolant temp. Hot coolant temperatures = fully functioning coolant system.ĩ5-105 deg C is a little hot but normal on a hot dayġ05-110 deg C is a little hot but normal on a hot day in slow rush-hour trafficĢ05 deg F = 96 deg C, normal operating temperature people on this forum panic so much about coolant temperatures. Someone needs to make the following a sticky one of these days.
Use the funnel with the upper cap open, run the engine til fully warm, and you're 99% done.ĭrive the car normally for 2-3 days and top off the coolant overflow to the MAX line every night. So I don't need one of those "burping" funnels or anything like that.
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