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Re: Vacuum lines in the dash Posted by TML [Email] ![]() ![]() ![]() In Reply to: Vacuum lines in the dash, Broken_Aero, Thu, 11 Oct 2007 10:48:40 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Normally there would be only one vacuum line behind the dash, and that's for the stock boost gauge. If an aftermarket boost gauge is added, normal procedure is to tee that line to connect to the new gauge. It sounds like you're saying there are three vacuum lines going through the firewall, which is bizarre. In the engine bay, the following should have vacuum lines connected to the intake manifold:
MAP sensor
Bypass valve (may have been replaced with a blow-off valve)
valve cover (through a check valve)
I think the hose that goes through the firewall tee's off the line going to the bypass valve.
posted by 204.191.22...
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