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Cannot find the leak! Thermostat housing? Posted By: Formula93_350 On: 04-20-2008 @ 21:23:32 Reply | Edit So I'm still chasing this weird link on a 93 Camaro Z28. The leak is coming from near the over flow tank. If the cars cold, it won't start leaking for a few minutes. I was thinking its the thermostat housing or the hose going to it. If it is, the leaks closer to the radiator. Any idea whats going on? Is it the thermostat? Where is the thermostat on the LT1? Is this a tough fix? -- 93 Firebird Formula LT1, K&N FIPK, Accel Fuel Injectors, Flow Master Exhaust, Stage 1 JetChip, M/T Street Drag Radials, Faze A/F Gauge Posted By: useful_idi0t On: 04-20-2008 @ 21:41:17 Reply | Top | Edit tstat is on top of the water pump.coolant lines fot the heater core are the closest thing to the overflow tank, can you see anything under the car? --  Posted By: Formula93_350 On: 04-20-2008 @ 22:07:07 Reply | Top | Edit I doubt its the heater core, why would it only leak when it heats up? -- 93 Firebird Formula LT1, K&N FIPK, Accel Fuel Injectors, Flow Master Exhaust, Stage 1 JetChip, M/T Street Drag Radials, Faze A/F Gauge Posted By: useful_idi0t On: 04-20-2008 @ 23:27:57 Reply | Top | Edit because those things can happen, and i said it could be one of the lines from the heater core. did you check around the low coolant sensor? --  Posted By: Calaban007 
On:
04-21-2008 @ 00:30:14 Reply | Top | Edit
I had one of the heater lines, ones with the bleeder screws, split and spray coolant everywhere. I took it over to my dad's and put it on ramp. There was no leak so I took it down the road and heated it up. When I got back it was spewing again. --  1995 Camaro Z28 & 1989 IROC-Z Stock restoration in progress, well almost stock  http://www.myspace.com/163296073 Posted By: SaD1ST1K On: 04-21-2008 @ 13:27:16 Reply | Top | Edit I would get it warm and slap a coolant system pressurizer (takes the place of the Rad Cap) on it if u can get ur hands on something like that. so u can shut the car off and listen/look around better. just an idea man. -- 
All Free-mods, 160 tstat, Adjustable Fan Switch, MSD Cap & Rotor, 1.6RR, MSD Blaster Coil, & 8mm wires. Posted By: BlackScreaminMachine On: 04-23-2008 @ 11:35:19 Reply | Top | Edit yup, check it with a pressure tester, a running motor is a hard way to find a leak. -- 2002 Navy Blue Metallic Trans-Am, 6 Speed, Leather, T-tops. SLP Flow Pack, Dynatech SuperMaxx, Corsa, Textralia clutch, Moser 12 Bolt, and BMR Suspension. 
Posted By: grayz28 On: 05-12-2008 @ 01:05:16 Reply | Top | Edit Throw some baby powder around where you think it is leaking from. After you run the car just see where the powder has streaks. A crazy technique i learned from a buddy a few years bcak. It's how we found out his oil dipstick tube was leaking so it can work. Garry Posted By: Formula93_350 On: 05-12-2008 @ 13:52:00 Reply | Top | Edit we actually already found the leak, turns out the radiator was just springing leaks left and right. we replaced the radiator and havent had problems since. thanks though. =) -- 93 Firebird Formula LT1, K&N FIPK, Accel Fuel Injectors, Flow Master Exhaust, Stage 1 JetChip, M/T Street Drag Radials, Faze A/F Gauge Posted By: mr1newyork On: 05-12-2008 @ 22:03:05 Reply | Top | Edit buy a pressure tester.
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