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200 Series General Forum for the Volvo 240 and 260 cars |
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Valve Cover VentViews : 467 Replies : 1Users Viewing This Thread : |
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Feb 26th, 2019, 11:28 | #1 |
Senior Member
Last Online: Jan 5th, 2024 11:50
Join Date: Sep 2015
Location: Portsmouth
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Valve Cover Vent
Chaps,
In my quest to stop losing oil I've ticked off all the leaks apart from the rear of the cam shaft blowing a fine mist which condenses on the firewall/block and drips. I have all the seals in there and the PCV is clearer than it has been (but could probably do with an overhaul, I'm reluctant to take the intake apart to do it though) but I'm still getting positive valve cover pressure from blow-by. Has anyone found a workable solution to this problem before I delve in to the world of vents, hoses and catch-cans? Any advice appreciated, car details in signature. Thanks, Alex
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2008 V50 2.0D R-Design @ 175K Previously 1992 Volvo 240 SE Estate B230F/M47 (was AW70) @ 200K (I wish I could've kept him) |
Mar 3rd, 2019, 10:33 | #2 |
Ye olde Volvii galore!
Last Online: Dec 18th, 2023 11:23
Join Date: Oct 2017
Location: Sherborne
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In my experience, the only solution is to clean or replace the PCV and flame trap, and possibly rear cam seal if oil is still blowing past it after the PCV overhaul.
With the right wiggling and persuasion, I can remove and refit the PCV on my B200Fs without removing the intake manifold...bit of a PITA but it will come out.
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Barges of Distinction: '96 945 SE LPT M90 '95 945 GLE D24TIC M90 ‘88 745 GL B200E M47 |
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