1999-2009 [Subscribe to Daily Digest] |
The purpose of the vent hole is to allow air to pass thru so that a air blockage or bubble doesn't prevent the passage of coolant and create a hot spot.
I would just drill it myself and be done with it. I've done the same on other vehicles when the new thermostats did not come with a vent.
posted by 198.199.191...
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