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Old 04-21-2014, 04:48 PM   #11
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Originally Posted by my_beautious_ZX3 View Post
one of the most common antifreeze leaks discussed on this forum is the thermostat housing. So, check that before you go to the expense of replacing a radiator, because a leaky housing could dribble down the engine/transmission and wind-up just a couple of inches from the petcock, fooling you into looking elsewhere for the source.
Thanks for the tip/info. However that was replaced months ago, along with a new T-stat. I'm pretty sure it a leaking radiator which appears to be a P.I.T.A. to change.
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Old 04-21-2014, 05:44 PM   #12
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The 'older' ones that just screw on without clicking are very easily cross threaded. They'll leak badly if not on right - even if tight. One of the few times I had the car at the dealership, warranty work, they did their overall check and didn't get the cap on right. A few miles down the road the cap blew off and was eaten by the serpentine belt.
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Old 04-21-2014, 08:51 PM   #13
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Earlier caps simply screw on, with time the threads can fray to make cap not seal. Tightness of cap has nothing to do with the radiator, it has a leak most likely. Not tightening cap all the way to stop the radiator leak has set OP up for an overheat, the car must have pressurizing or it WILL overheat. I'm in Texas too and well aware of it. I actually slightly tighten my cap with a big set of pliers, the plastic will not let hand tight be enough. Car runs forever like that. The cap must be tight enough to crush the rubber gasket to achieve pressure proof seal.

Fix the leak or get bit.................
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