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Review on πŸ”§ Permatex 81180 Gray Transmission RTV Sealant, 3 oz. Tube: Ultimate Automatic Transmission Protection by David Bowens

Revainrating 5 out of 5

Three and a half years

It's been three and a half years, so I'm ready to consider. Used this after trying other pad makers that had failed. I had a transmission sump on our Dodge Caravan that was previously serviced by someone who overtightened the bolts and stripped some of them. I had to put bolts in those red Loctite holes so I could put nuts on the bolts to hold the transmission pan. The device for making gaskets without AT did not work. Something about AT fluid - it's somehow bypassed by a normal gasket manufacturer. This thing has kept my fluid in that Frankenstein transmission for over 50,000 miles. Excellent stuff. From now on, only Permatex AT Gasket Maker will be used for transmission pans.

Pros
  • Sensor-safe, non-corrosive, non-flammable, low-odour, non-toxic sealant that can be used as a gasket or bandage
Cons
  • ill-considered