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Join Date: Feb 2001
Location: South of the Mason-Dixon Line
Posts: 3,722
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Hmmmmmmm. An Anti-Freeze Odor in an Air cooled 911?!
Strange.
 Cannot find any radiator, hoses, drain line or reservoirs in my 1973.5T! No oil leaks, battery acid is staying in the battery, no fuel leaks, entire windshield washing system removed a decade ago by the previous owner, no smoke from under the dash, ain't the hot dog and onions I had the other day or gaseous emissions as a result of complete digestion! So, why am I smelling anti-freeze (ethylene glycol) when I take a drive? Weird! I thought perhaps its the guy in front of me with the AC running, engine temps increasing and maybe an overflow on the coolant, but lately its been too frequent. A couple of theories (that small mouse stuck in window defrost vent back in 1977 has finally given up, or those panties of Ginger's ole Roger threw on the dash that night in 1975 at the river that never could be found are now showing up!!!!  Any ideas? Bob 1973.5T Sepia of Course 
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05-08-2008, 04:40 AM
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Dog-faced pony soldier
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Did someone de-ice you?
Sorry, dunno. Maybe some spilled on the engine from working on another car or something?
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A car, a 911, a motorbike and a few surfboards Black Cars Matter |
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05-08-2008, 05:57 AM
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Designer King
Join Date: Mar 2004
Location: Toronto, ON Canada
Posts: 5,499
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I'm hoping it's the panties!
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Paul Yellow 77 Sunroof Coupe/cork interior; 3.2L SS '80 engine/10.3:1/No O2; Carrera Tensioners; 11 Blade Fan; Turbo tie rods; Bilstein B6; 28 tube Cooler; SSI, Dansk; MSD/Blaster; 16x7" Fuchs/205/50 Firestone Firehawk Indy 500s; PCA/UCR, MID9 Never leave well enough alone |
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05-08-2008, 06:07 AM
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Join Date: Apr 2005
Location: Co. Carlow, Ireland
Posts: 455
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Windscreen wash? I think that sometimes has anti-freeze in it.
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Charles '84 911 3.2 |
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05-08-2008, 06:58 AM
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Join Date: Aug 2000
Location: Calabasas, California
Posts: 821
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Sometimes brake fluid can come close. Check to see if you have any leaking inside near the MC.
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05-08-2008, 08:38 AM
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Registered
Join Date: Dec 2003
Location: MS.
Posts: 2,322
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+1 on the brake fluid. Some brands do have a somewhat sweet odor to them similar to coolant.
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84' Steelslantnose Cab. 1953 Dodge B-4-B-108" 90,127 miles 1953 Dodge B-4-C-116" 58,146 miles 1954 Dodge C-1-B8-108" 241V8 POLY 1973 Roadrunner 440-SIX-PACK* 1986 F-250 Super Cab-460 V8 tow Newest additions- Matching numbers 1973 340 Road Runner!! 1948 Dodge B-1-F-152" 1-1/2 ton Dump body, 39,690 miles others... |
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05-08-2008, 08:49 AM
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Max Sluiter
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I've heard of using anti-freeze in strut housings to transfer heat into the outer tube for cooling.
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1971 911S, 2.7RS spec MFI engine, suspension mods, lightened Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance |
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05-08-2008, 09:04 AM
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Registered
Join Date: Oct 2005
Location: Capistrano Beach, Ca.
Posts: 7,235
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Brake fluid is a definite possibility. Don't forget to look under the brake pedal for a leak, or even in the tunnel for hard line leaks.
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L.J. Recovering Porsche-holic Gave up trying to stay clean Stabilized on a Pelican I.V. drip |
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05-08-2008, 10:16 AM
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Join Date: Oct 1999
Posts: 8,673
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Quote:
But leak at master cylinder more likely - brake fluid. Last edited by tcar; 05-08-2008 at 11:29 AM.. |
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05-08-2008, 10:38 AM
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Get off my lawn!
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It must be a leaking water pump or maybe bad muffler bearings. Have you checked your turn signal fluid? I hear it has anti-freeze in it.
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Glen 49 Year member of the Porsche Club of America 1985 911 Carrera; 2017 Macan 1986 El Camino with Fuel Injected 350 Crate Engine My Motto: I will never be too old to have a happy childhood! |
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05-08-2008, 10:59 AM
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Registered
Join Date: Nov 2005
Location: CA
Posts: 7,284
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headlight fluid is not exclude.
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Fat butt 911, 1987 |
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05-08-2008, 11:20 AM
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Join Date: Mar 2006
Location: MD/DC/VA
Posts: 5,870
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Maybe it thinks it's a 996
 Ok, I'm sorry, but that was for a buddy that I know is watching!
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RGruppe #180 So many cars.. so little time!! |
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05-08-2008, 11:36 AM
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Registered
Join Date: Feb 2001
Location: South of the Mason-Dixon Line
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Fun answers, and good leads.......
Well I probed a bit and found neither mouse nor panties! When I first bought the car and turned the defroster on a 1974 parking ticket blew out though! I'll check the brake fluid reservoir first (I use that Blue Racing fluid) and sniff around in that area. At least I do not have to worry about an infamous water pump going on me like I did in my 944 ownership days. I had an issue with recharging the system with R134 recently. I wonder if its related to an AC leak? Thanks Bob |
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05-08-2008, 12:43 PM
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Registered
Join Date: Oct 1999
Posts: 8,673
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Don't remember what the oil in the R134a system smells like.
But if the smell started shortly after that... |
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05-08-2008, 12:47 PM
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1971 Porsche 911S
Carrera
