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#1
12-12-2013, 01:07 PM
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Dreaded gunk in oil filler cap
Hi guys, the dreaded milky deposit is showing in my oil filler cap. So I have water getting into my oil.
Three questions: 1. Is it possible to trace where it is getting in? 2. Will it do any harm if I leave an investigation until spring? It's pretty cold up here in Canada. I will only doing about 1000 kilometers. 3. Are any of the leak sealer products worth trying? Thanks. 
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#2
12-12-2013, 01:17 PM
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Re: Dreaded gunk in oil filler cap
if you do a lot of short trip driving it could just be condensation in the oil. i would change the oil and see if it come back. you could also buy a uv dye and put it in your coolant then check to see if the gunk glows under a black light.
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Current Stable: 1992 SVX 1979 K5 Blazer Cheyenne 1956 Plymouth Belvedere - Daisy 1967 Chevy C20 1953 Chevy 210 1969 Plymouth Satellite 1949 Chevy Thriftmaster 1959 Chevy Apache 1951 Chevy Stepside 1969 Chevy Camper Special 1978 Ford F150 w/ stroked 460 1986 Volvo 740 turbo wagon 1999 GMC 2500 Creep Van 1994 Impreza Outback
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#3
12-12-2013, 01:46 PM
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Re: Dreaded gunk in oil filler cap
Usually a symptom of a head gasket, but not always What is the year and mileage of your car?
After getting the car up to operating temperature, shut it off and check the radiator overflow bottle. Sniff the coolant to check if it has an exhaust smell. How does the temperature act on your car? Head gaskets usually begin to fail with age, not mileage. .
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. Subaru Ambassador 1996 Polo Green LSi #216..138,100 miles...SOLD JFICX8659TH100216.....Date of Manufacture: November 16, 1995..... Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan In-Service Date: January 2, 1997 "The Pristine Green Polo Machine” First Polo Green on the Network First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000) First 5000K HID factory fog lights (2007) First SVX JDM BBS wheels on a USDM SVX (2013) HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler. R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016  2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback  2007 Mazda Miata MX-5 PRHT...102,000 miles. Plenty of parts, service and windshields.  4th Registered Network member —2/21/2001 My NEW locker..I...My Email..I..Wikipedia/SVX . . Last edited by svxcess; 12-12-2013 at 06:19 PM.
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#4
12-12-2013, 03:53 PM
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Re: Dreaded gunk in oil filler cap
Take it for a good rip down the 417. Keep an eye on the engine temperature. If it's condensation from cold temps and short trips it should evaporate most of the milkiness.
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#5
12-12-2013, 05:09 PM
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Re: Dreaded gunk in oil filler cap
Pretty common in cold climate. Don't assume anything serious.
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Tony 1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads 2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil 2009 Red Toyota Venza, 123,XXX, Mobil 1 5W30 High Mileage Oil 1992 Red Ferrari 348 ts, 82,XXX, Redline everything
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#6
12-12-2013, 05:39 PM
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Re: Dreaded gunk in oil filler cap
Yeah I had the same thing last year, scared the crap out of me, I was primarily driving 2-4 mile trips in the winter. Thought I needed a head gasket till I talked to few people who clued me in.
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1992 LSL ebony pearl 170k - Thank you Ron Mummert Reading Box of Wine Car ----------------------------------- 1992 SVX LSL 5-Speed Sold at 180K 2019 1995 SVX Lsi Polo Sold at 118K 2007
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#7
12-12-2013, 11:06 PM
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Re: Dreaded gunk in oil filler cap
Whoo, I actually checked my oil cap recently and found milkiness and I nearly had a melt down. Was 1k over for an oil change anyway, put in fresh oil, topped up the coolant, car is running good.
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1992 SVX Pearlie: AmsOil signature synthetic 10w40 and Ea15k20 filter, Cobb crank pulley, Outlaw Engineering spacers and tb bypass, LGT 5spd, Slotted Crossdrilled rotors and ceramic pads, 11:1 compression, EGR delete, Port & Polished heads, SaikoMichi catch can, A/c delete.
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#8
12-13-2013, 12:16 PM
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Re: Dreaded gunk in oil filler cap
Hi Guys,
Thanks for your input. I do have mainly short trips, so that could be the problem. I have a 92 Pearlie with 197K (122k miles) on it. I don't usually use it in winter, but I just bought a Mercedes E 500 with 65k on it and decided to keep the more valuable car away from the salt. I will clean the cap and take a longer drive and see what happens. Thanks again.
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