Bartman Posted July 18, 2006 Share Posted July 18, 2006 So I'm not sure if this solution is LT1 specific, or if this pertains to other engines as well. I recently upgraded my engine and had just about everything apart (I didn't remove the pistons, rods, and crank). I put everything back together, filled the radiator and the car ran great. The probem was the temperature gauge would max out after just a few minutes. When I checked the coolant level it was pretty close to full. Since I switched to an electric water pump I started investigating if it was working properly and spinning the right direction. It seemed to be working fine but when I disconnected the outlet hose nothing was coming out. I searched on HybridZ and found this thread: http://forums.hybridz.org/showthread.php?t=108175 In this thread AFR280 mentioned that he filled the block through the thermostat so I gave that a shot. It took quite a bit of coolant so I was hopeful that this was the problem. Sure enough the problem is now fixed and the temperature is staying nice and cool. So is this standard procedure when you loose the coolant from your block? I thought the water pump would be able to circulate the water through the block, but at least in my case it didn't seem like it was able to do that. Quote Link to comment Share on other sites More sharing options...
Guest 280ss1976 Posted July 18, 2006 Share Posted July 18, 2006 well your using a lt1 with a electric water pump out of a comaro looks likes what year comaro was it and also any one 93 and up actually has bleeder valves on it u got to get the air out the system not like a old motor fill and go lol i cant remember the loations of them they vary but look for them around the top of the engine and on the heater core piping Quote Link to comment Share on other sites More sharing options...
Bartman Posted July 18, 2006 Author Share Posted July 18, 2006 My engine is from a 94 camaro and I have one bleeder valve remaining in the system on the thermostat housing. I initially removed the bleeder valve until I got some coolant to come out of it, but it still didn't seem to be able to fill the engine until I filled the block thorugh the thermostat housing. Quote Link to comment Share on other sites More sharing options...
deja Posted July 18, 2006 Share Posted July 18, 2006 My engine is from a 94 camaro and I have one bleeder valve remaining in the system on the thermostat housing. I initially removed the bleeder valve until I got some coolant to come out of it, but it still didn't seem to be able to fill the engine until I filled the block thorugh the thermostat housing. I just read this on a LT1 tech page: You have to bleed the coolant hose just over the water pump. There is a bleeder screw in the middle of the hose. let the car get around normal temp. then turn loosen the bleeder screw and let the pressure release until you have nothing but coolant coming out. Quote Link to comment Share on other sites More sharing options...
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