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· 2005 Avalon Ltd
2005 Avalon Ltd
213 Posts
Discussion Starter · #1 ·
Has anyone investigated where the A/C Evaporator Petcock Drain is located on the side engine right side of the firewall?

Many vehicles, including Toyota, have an evaporator weep tube that allows condensation to drain from the A/C unit. The problem is in many cases that water drips directly onto the frame, and eventually it will accelerate a rust condition in that area. It is simple enough to attach a length of nylon tubing to the evaporator petcock tube and divert the water away from the frame.

My wife has the car all the time and I have not had a chance to find the petcock drain tube yet.

- Peter
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