Author Topic: Unknown vacuum line  (Read 2282 times)

Offline Weekender84

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Unknown vacuum line
« on: March 22, 2016, 10:48:49 am »
I have an 84 k20 Silverado and I have a vacuum line the runs up to the firewall and plugs into a sensor. What is that sensor?

Online bd

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Re: Unknown vacuum line
« Reply #1 on: March 22, 2016, 04:10:13 pm »
Possibly the torque converter clutch (TCC) Switch.  Can you post a pic?
Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)

Offline Weekender84

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Re: Unknown vacuum line
« Reply #2 on: March 23, 2016, 05:47:08 am »
I will tonite, thanks