nc211 Posted September 27, 2007 Share Posted September 27, 2007 Again, I'm assuming the 4.7 liter engines in the 4Runner and GX are about the same. I'm curious what this filter housing is that I've circled in yellow in the picture? Is it the fuel filter "which would be the easiest fuel filter to replace on earth"? Quote Link to comment Share on other sites More sharing options...
SKperformance Posted September 27, 2007 Share Posted September 27, 2007 Looks like a filter but it is on a vac return line so it is more than likely fitlering the gases not liquid. Quote Link to comment Share on other sites More sharing options...
gordonw Posted September 27, 2007 Share Posted September 27, 2007 Its the vacuum surge tank. Quote Link to comment Share on other sites More sharing options...
nc211 Posted September 27, 2007 Author Share Posted September 27, 2007 vacuum surge tank.... interesting. I don't think I've ever seen one before. Can it be cleaned to increase performance? Quote Link to comment Share on other sites More sharing options...
gordonw Posted September 27, 2007 Share Posted September 27, 2007 I'm not even sure what it does, but it looks like its part of the emission control system. Quote Link to comment Share on other sites More sharing options...
2JZTWIN TURBO Posted October 10, 2007 Share Posted October 10, 2007 Again, I'm assuming the 4.7 liter engines in the 4Runner and GX are about the same. I'm curious what this filter housing is that I've circled in yellow in the picture? Is it the fuel filter "which would be the easiest fuel filter to replace on earth"? This is a vacuum surge tank. Its not commonly replaced. Quote Link to comment Share on other sites More sharing options...
Grumbles2 Posted October 27, 2007 Share Posted October 27, 2007 Again, I'm assuming the 4.7 liter engines in the 4Runner and GX are about the same. I'm curious what this filter housing is that I've circled in yellow in the picture? Is it the fuel filter "which would be the easiest fuel filter to replace on earth"? No its not the fuel filter, that line is for the Evaporative Emission control. That circled item is a Vacuum Surge tank (turbo is correct), the line goes up to a Vacuum Switchin Valve (VSV) located above the Vac Surge Tank. The green cape farther down the line is a service port. I think that the fuel filter is located in the fuel tank, attached to the fuel pump assembly. Quote Link to comment Share on other sites More sharing options...
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