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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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VEA d4 glove testViews : 2642 Replies : 13Users Viewing This Thread : |
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Oct 12th, 2022, 22:31 | #11 | |
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Last Online: Jul 14th, 2024 00:50
Join Date: Aug 2017
Location: Stoke-on-Trent
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Quote:
The dealer has examined the car and they are replacing the valve cover gasket. I will probably have it back in a couple of days. I’ll have to keep my eye on it and see what happens. |
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Oct 13th, 2022, 06:47 | #12 | |
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Last Online: Yesterday 10:19
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24-01-2024 15:41 |
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Jun 5th, 2023, 18:03 | #13 |
Praying to God of Volvos
Last Online: Jul 22nd, 2024 07:49
Join Date: Mar 2016
Location: Surrey
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I have a 2016 late D4.
In theory it’s got the later piston rings and hasn’t done enough miles to wear valve seals. Oil is not being used quickly so I guess all is well with piston rings. However it is leaking oil out of various seals and on checking it has crankcase positive pressure. Did the glove test over the filler and def inflated. I then removed the hose from the valve cover to the inlet manifold pipe and did the test again. The glove was inflated much faster and continued to grow with quite some pressure building up. This was not really a surprise as there was nowhere for it to go except into the glove. As the 1st oil filler test had the glove inflating more slowly and never really blew up like a balloon, there must have been some pressure relief to the inlet manifold pipe. But not enough vacuum be to negative in the crankcase. As posted earlier, the inlet manifold pipe has very little vacuum in it. So where does this leave me? Lots of small oil leaks due to pressure, but not sure how to improve matters. It just seems the VEA 4 cyl diesel doesn’t have enough crankcase ventilation. Rubbish design! |
Jun 5th, 2023, 18:05 | #14 |
Praying to God of Volvos
Last Online: Jul 22nd, 2024 07:49
Join Date: Mar 2016
Location: Surrey
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I need to make a nappy for the car to put under the engine to catch the oil. Do a nappy change along with the service!
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