Quote:
Originally Posted by coopma
Does the windshield wiper fluid reservoir on a 2004 4Runner have an expansion plug?
One that pops out when the fluid / water freezes and expands?
Reason being I filled the fluid reservoir to the top and fluid leaked out along the running board on the passenger side.
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No plug, as mentioned if it freezes it would just expand out the top, nothing to stop it from doing so since it's not a seal reservoir.
My best guess is you have a cracked or broken hose/tubing or fitting going to the washer nozzle on the passenger's side and the fluid is siphoning out and down onto the running board.