S40 V40 Cars: - Air Vacuum hose resolved - more pull

		Volvo Owners Club Forum > "Technical Topics" > S40 / V40 '96-'04 General
S40 V40 Cars: Air Vacuum hose resolved - more pull

S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004.

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Aug 2nd, 2015, 17:01	#1
morrismen Senior Member Last Online: May 3rd, 2023 13:02 Join Date: Dec 2003 Location: London	Air Vacuum hose resolved - more pull I looked at the right-angled air vacuum hose connectors on the 1.8 Petrol V40 today. I was curious why it was "lacking power" compared to my other V40 (same model). I found the problem. When I pulled off the rubber right angled end connectors to the air filter housing, the top pipe appeared to have a burred over hole where the plastic pipe had been factory cut, probably with a blunt tool. The thin plastic vacuum pipes are quite solid so I took off the large burred over edge with a Stanley knife to re-create a fully open vacuum pipe hole. I reconnected to the air filter housing, started up and its now running really well, and pulls so much better. This is such a simple fix, and worth checking if you have the same "lack of engine power". __________________ Volvo V40 1.8 Petrol SE 2003

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