Quote:
Originally Posted by Stephen12ZL1
the vacuum tool and such is a PITA and not necessary IMHO. Use a funnel, tube, and depress the black plastic button with a long 1/4" socket extension. Keep the funnel full and run until all bubbles are gone...simple. Or get a reservoir and all of your worries are instantly gone.
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Quote:
Originally Posted by WEAPON-X
Sorry guys, just saw this. If you put the car in service mode (hold start button withOUT pressing the brake pedal) it will kick the IC pump on to move the fluid. From there, if you can't get the Kent Moore fitment tool (makes it a breeze but a waste for one off), then Stephen has it right; however, you need to cycle the pump and circulate the fluid because if you don't do this, the highest point are the IC bricks which hurt you the most when pocketing air. We do all we can with supplying the bleeder, but GM didn't do us any favors with their cost cutting eg. no hx sys regular fill ports, liquid gaskets on the engine, etc.
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It would seem I have run the system until all bubbles were gone. I have used a funnel, tubing and depressing the valve with a broad tip flathead screwdriver. I had the system running for 30 minutes or more including kicking it on and off and starting the car in order to avoid battery drain. My reasoning for thinking there is still some air in the system is that the car is consistently in the 140 degree IAT2 (IAT after bricks). I feel like this is waaaayyy too high, however, I still have not received much feedback on what a stock ZL1 runs for IAT2 temps. One more note is following the car sitting when going into a store, etc. the temps get up in the 160-170 range and then pretty quickly drop...to the high 140s. Really the lowest I have seen is 64 degrees outside (low humidity) and still blower temps in the 120s...again a nearly 60 degree delta.
My ride is LT1 with the LT4 blower (2.3 upper at approx 610whp) and I would expect much lower temps with the WX system adding additional coolant.
What kind of temps can I expect out of this system? I mean this morning it is 84 degrees here in Houston and 54% humidity. I would not expect a nearly 60 degree delta between ambient and IAT2 temps. I have to get this solved or at least reassurance that somehow this temperature range is "normal" for the ZL1. I don't want to cause harm to either the blower or worse...the engine.