LOL. Let's start with this:
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Originally Posted by justatroll
The OP has already stated that he has a SMALL leak and cannot pinpoint it.
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No he didn't. He said he hasn't raised his ridiculously lowered car up to a reasonable height to look for it yet. He was fishing for someone to tell him where it was likely to leak before actually poking his noggin under there to figure it out.
If he had already done that and couldn't find the leak,
then it might make sense to pressurize the system. But when you haven't even done the basic visual inspection, jumping right to a pressure test is silly. And he's still going to have to raise the car up and still going to have to put his head up under there, even with the system under pressure. So all this does is make the visual inspection more complicated than it needs to be.
Quote:
Originally Posted by justatroll
My POINT IS that with an old 57 chevy, you can almost climb IN the engine bay while it is running, but with this engine you CANNOT put your head in front of the engine even when it is NOT running.
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But you can raise the car up, remove the covers and look with your own eyes. You can also slip in a mirror or inspection camera, if you have one.
Quote:
Originally Posted by justatroll
I wont candy coat it - F*&* you.
Because waiting ~1 hour between troubleshooting steps (heat up engine to pressurize, look for leaks wait for engine to cool before unhooking something) is FAR more efficient than being able to repeat troubleshooting steps in 3 minutes by repressurizing the system.
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In your quest to make this easy diagnosis as complicated as possible, you're missing the simple fact that it isn't necessary to heat up and cool off the motor to poke your noggin under the car and visually inspect for leaks of not-invisible coolant.
Quote:
Originally Posted by justatroll
Again - there is this professional technique that MECHANICS use called pressurizing the cooling system.
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A professional mechanic is not going to go to the trouble of pressurizing the system if he can see the leak without it. He'll do that if he can't find the leak,
after poking his noggin in there. Then he'll pressurize the system
after fixing the leak to make sure that was the only one.
And he's also not going to be frightened by a little warm coolant and run from the garage screaming for his mommy.
By the way, come to think of it, the last time I diagnosed a coolant issue on my Jeep, I couldn't quite see where the leak was coming from. So I put on a pair of safety glasses, started the Jeep and slid up under it to watch. Oh noes! So scary!