Vacuum switch
01-10-2016, 08:20 AM
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Location: Sheboygan, WI
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Car: 1991 Z28
Engine: LB9 TPI 305
Transmission: MK6/MM5/ T5
Axle/Gears: GU6/G80/G92
Vacuum switch
My 91 z28 has a leaky left side (temperature control) vacuum switch in the heater control. Does anyone know where I can find a replacement part? Or the rubber seal? I tried the same fix proposed for the right switch, but it still leaks. I have heard of the brake fluid fix, but I don't want to take the dash apart continually. Any advice would be appreciated.
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