Join Date: Aug 2006
Location: Northern New Jersey
Thanked 107 Times in 62 Posts
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I had this same problem on my 89 K5. When it got really cold, the filter oring would leak just a little bit, when it was warm it was fine. I had to remember to tighten the filter about an 1/8th of a turn when the weather turned frigid to keep it from happening.
06 NISMO KC 4x4 6sp. Traction bar mod, E-locker mod, Nismo CAI, SilverStar Ultra headlights and Luminic JDM yellow fogs, OEM bug-guard, WeatherTech vent visors, ScanGaugeII w/ BlendMount, Factory Nav mount w/ Garmin 750, JVC XG700, Polk Audio speakers, Kenwood SW10 sub, Superchips Tuned(93 +2), WRP TBS, Banks Monster Exhaust, 350Z Thermostat, Cooper ATPs.