Mysterious liquid on windshield???? - Chevelle Tech
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post #1 of 19 (permalink) Old Apr 9th, 19, 8:12 AM Thread Starter
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Eric
 
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Mysterious liquid on windshield????

Ok guys and gals I have a new issue that I have personally never seen before.
I have a 69 chevelle with a 350 sbc and a 6-71 blower a top. Running 6 lbs boost making 625 hp. Manual disc brakes all around, this may be pertinent here in a second.
Anyway, every now and then on a drive, not all the time mind you, I get on the gas in 1st 2nd and 3rd and come to a quick stop I get this very fine mist of liquid coming up from under the drivers side cowl onto my windshield and I mean very fine mist.
I thought that it may be the brakes, but the other day it did it again under load before applying the brakes.
I get out and try to get some samples off the windshield but it just smears and drys up leaving a residue so I can't really tell what the liquid is.
I check under the hood and there is nothing anywhere. Not on the brake line fittings or the master valve nothing anywhere. No engine coolant or oil to be found. I have no idea where this very fine mist is coming from especially when it is coming up between the hood and cowl. If anyone can give me any kind of starting point or ideas I would greatly appreciate it.
There is no windshield washer bottle on the car either.
I have a manual oil pressure gauge with the nylon line running from the back of the manifold through the firewall into the dash as well.
Any help would be greatly appreciated.
Thank you
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post #2 of 19 (permalink) Old Apr 9th, 19, 9:28 AM
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Re: Mysterious liquid on windshield????

Blowby blowing oil out of the breathers.

Jim

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post #3 of 19 (permalink) Old Apr 9th, 19, 9:30 AM
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Dan
 
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Re: Mysterious liquid on windshield????

Maybe coolant?
If it dries up that qwick my guess would be coolant.
Had a small coolant leak on a warm engine that took a while to find,
the heat would dissipate it nearly instantly.
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post #4 of 19 (permalink) Old Apr 9th, 19, 11:48 AM
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Ed
 
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Re: Mysterious liquid on windshield????

Post an underhood pic and show where on the windshield you see it.

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post #5 of 19 (permalink) Old Apr 9th, 19, 12:05 PM Thread Starter
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Eric
 
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Re: Mysterious liquid on windshield????

Thanks everyone I will post pictures tonight
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post #6 of 19 (permalink) Old Apr 9th, 19, 12:20 PM
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Re: Mysterious liquid on windshield????

as if it was oil or brake fluid, it sure wouldnt evaporate. I'm thinking it spits fuel, the best evaporator there is under the hood.
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post #7 of 19 (permalink) Old Apr 9th, 19, 12:22 PM
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Re: Mysterious liquid on windshield????

Eric,
Any chance the condensation is getting into the hood somewhere, maybe the reinforcing ribs and then blowing out ?? Next time you decide to drive the car after it has been sitting, open the hood first and see if anything comes running along the back edge.

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post #8 of 19 (permalink) Old Apr 9th, 19, 1:31 PM
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Re: Mysterious liquid on windshield????

Quote:
Originally Posted by 427L88 View Post
as if it was oil or brake fluid, it sure wouldnt evaporate. I'm thinking it spits fuel, the best evaporator there is under the hood.
And neither would coolant (unless it was plain water), in fact coolant is very hard to get off of a windshield, so I found out many years ago when I thought antifreeze would be OK in the windshield washer bottle.
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post #9 of 19 (permalink) Old Apr 11th, 19, 6:11 PM
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Re: Mysterious liquid on windshield????

This is not your problem
" I have a manual oil pressure gauge with the nylon line running from the back of the manifold through the firewall into the dash as well. "

But it will be if you donot change it to a Hard/Metal Line

I am with Gene/427L88 I think it is Gas from the Blower/Carb or Lines

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post #10 of 19 (permalink) Old Apr 12th, 19, 1:10 AM
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Dan
 
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Re: Mysterious liquid on windshield????

Quote:
Originally Posted by BillK View Post
Eric,
Any chance the condensation is getting into the hood somewhere, maybe the reinforcing ribs and then blowing out ?? Next time you decide to drive the car after it has been sitting, open the hood first and see if anything comes running along the back edge.
After a wash water may have puddled in there somewhere?
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post #11 of 19 (permalink) Old Apr 12th, 19, 1:33 AM
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Re: Mysterious liquid on windshield????

wastegate ?

"A Nation of Sheep will beget a Government of Wolves." Edward R. Murrow
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post #12 of 19 (permalink) Old Apr 12th, 19, 1:46 AM
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Re: Mysterious liquid on windshield????

Have a white paper towel ready for when it happens again. Wipe it quick before it dries/evaporates. See what color it is.

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post #13 of 19 (permalink) Old Apr 12th, 19, 2:25 AM
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Re: Mysterious liquid on windshield????

...and put the hood-to-cowl seal back where it belongs.

Did you SEARCH BEFORE POSTING a new thread?
Did you post in the CORRECT FORUM?
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post #14 of 19 (permalink) Old Apr 13th, 19, 12:30 AM
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Re: Mysterious liquid on windshield????

What does it taste like?
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post #15 of 19 (permalink) Old Apr 13th, 19, 12:31 AM
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Re: Mysterious liquid on windshield????

Quote:
Originally Posted by 64ss427 View Post
what does it taste like?
lol
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"A Nation of Sheep will beget a Government of Wolves." Edward R. Murrow
“The last official act of any government is to loot the treasury.” – George Washington
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