Re: Oil Dye? - that's really cool! - Saab 900 Bulletin Board - Saabnet.com
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Re: Oil Dye? - that's really cool!
Posted by spg900t (more from spg900t) on Tue, 5 Jun 2007 20:21:13
In Reply to: Re: Oil Dye? - that's really cool!, Alfred E. Newman, Tue, 5 Jun 2007 14:55:07
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The surface between the trans/block can leak a good bit under boost if a large enough seem or gap is present. So can the turbo return line, but you say its good. I have never tried it but you could possibly pressurize the crank case with shop air and spray a soapy water mix across the area to help pinpoint the leak. I never tried to source dye locally,so call around before driving everywhere. Napa would be a good bet. Get the crankcase check valve installed on the valve cover vent hose before you do anything, or at least plug it off temporarily to test. Also worn/cracked rings can cause positive pressure. Lastly what does it do when idling when you remove the oil dipstick. Blow or Suck. Suck good, blow bad. Does your oil pressure rise with boost? The long and short of it is we cannot see the leak and must rely on you. All things being said you have a pan gasket leaking for some reason. Now is it cause or effect? Dont you wish you could do this for a living?
posted by 69.244.185...
Posts in this Thread:
- HELP! '87 SPG leaks oil Under boost (in strange place), SaabrobAZ, Tue, 5 Jun 2007 10:03:39
- Is the oil sump over-filled? n/m, vsfoxe , Tue, 5 Jun 2007 20:17:18
- Re: HELP! '87 SPG leaks oil Under boost (in strange place), Paul Clifton, Tue, 5 Jun 2007 19:24:48
- Power Steering fluid can get messy under pressure, Ken , Tue, 5 Jun 2007 11:56:30
- Re: HELP! '87 SPG leaks oil Under boost (in strange place), oldsaab, Tue, 5 Jun 2007 11:53:50
- From crankcase or tranny?, Ken , Tue, 5 Jun 2007 11:42:08
- Re: HELP! '87 SPG leaks oil Under boost (in strange place), Paul Clifton, Tue, 5 Jun 2007 10:32:41
- check valve on vac hoses?, Ken , Tue, 5 Jun 2007 10:20:48
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