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Where does it connect? 1990 460

Discussion and advice for 440, 460, 480 owners.
1986 - 1997 440
1986 - 1997 460
1986 - 1997 480
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Where does it connect? 1990 460

Post by Rainbird » Sun Feb 03, 2008 7:40 am

I've got a LH drive 460 with a carburettered B18K engine. On the bulkhead next to the cylindrical vapour separator is a large rubber grommet with a plastic cylindrical thing set in it. The grommet also takes the screen washer pipe through one side.

The only problem is that in an earlier photograph I have, this plastic cylindrical thing has a pipe on it which disappears off under the air filter casing toward the carb. Now, after having some work done on the motor this pipe is missing and there's no recollection of how it was plumbed in. The haynes guide refers to this item as a vacuum accumulator whilst The Volvo part description for this is a "cold start device", part number VO3446535.

Does anybody know where this thing connects on to the engine. I'm having hot running problems which I think are related to a vacuum leak and this missing pipe may be contributing.

many thanks

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Post by billofdurham » Sun Feb 03, 2008 12:45 pm

Take a good look at the carb and you should find a metal stub pipe with nothing attached to it. This is where the vacuum pipe goes. You may need to remove the air filter to get a better look.

I'm sorry I can't be more precise on the location of the stub pipe but my pictures don't actually show it.

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Joined: Sat Jun 30, 2007 12:19 pm
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Location: Oxford, UK

Post by Rainbird » Sun Feb 03, 2008 2:32 pm

Thanks, I'll give it a look

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