97 ssei, evap switch vac lines
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Author:  pmicaza [ Fri Jun 19, 2009 10:17 am ]
Post subject:  97 ssei, evap switch vac lines


i recent got a 97 ssei and decided to tune/freshen up all maintaince items fluids, plugs/wires filters, belts etc. while changing the plugs and wires i notice the evap switch has 3 vacuum elbows on it. one comes fromthe evap canister purge valve, one goes to the canister and the third one on the bottom of the evap switch does not have a line connected. the only other line i see in the area goes between just below the s/c nose and the map sensor(s) under the evap switch.

the third vac line is not on the diagram on the radiator support. i have spent a couple hours googling to no avail...

does anyone know where this third line goes to? i could back trace it if i knew.



Author:  Echo SSEI [ Fri Jun 26, 2009 2:08 pm ]
Post subject:  Re: 97 ssei, evap switch vac lines

From everything I have researched, the third is not connected to anything. I thought the same thing.....there must be something that connects to it, but it doesn't, and I have confirmed this with several (at least 5) other '97 owners. Mine has a rubber elbow on it that just points toward the firewall.

Author:  sonoma_zr2 [ Fri Jun 26, 2009 2:24 pm ]
Post subject:  Re: 97 ssei, evap switch vac lines

confirmed on mine, bottom one has a rubber elbow to nothing, the one the points to firewall goes to canistor

Author:  pmicaza [ Fri Jun 26, 2009 7:24 pm ]
Post subject:  Re: 97 ssei, evap switch vac lines

thanks guys.

someone pointed out that in the pix i sent, the "port" in question was not barbed and it was probably a vent to the atmosphere...this deduction seemed reasonable. i appreciate your checking for me.


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