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Albania, Tirana
1 Level
666 Review
45 Karma

Review on ⚙️ Experience Seamless Protection with BlueDevil Transmission Sealer by Justin Bradford

Revainrating 5 out of 5

Blue Devil Transmission Sealant worked! Repairing My Badly Leaking Transfer Case GMC Jimmy Inlet Seal

I had a very long post and now I've lost it. So this post is the shortened version! I have a 1995 GMC Jimmy with 240,000 miles on it, it had a horrible leak in the transfer case inlet seal, gear oil was leaking into the transfer case. Drain about a quart of transmission fluid into the transfer case every 120 miles. This came after Jimmy had stood and not driven for a year. The leak was so bad that the transfer case overflowed and then the transmission fluid spilled out of the vent attached to the transmission filler neck and dipstick tube. Well, it cost $350 to fix, so I decided to try transmission fluid sealant. 1.) First I tried the Lucas brand gearbox repair/sealant but that didn't fix the leak. (Although that's all good stuff, all their products) 2.) Then I tried the oil-based transmission sealant I bought at Walmart, can't remember the brand for about $6. It didn't stop the leak. 3.) I then did a lot of research online and found a generic leak sealer that sounded amazing based on 300 reviews on amazon.com. It was ATP AT-205 Re-Seal Stops Leaks, an 8-ounce bottle for about $11. It didn't stop the leak. (Might be good for other uses but didn't work) 4.) THEN WITH ADDITIONAL RESEARCH I FOUND: Blue Devil Transmission Sealer for about $12.50 and saw great reviews about it. I installed the Blue Devil Transmission Sealer and drove to work two days in a row with only about 230 miles and it sealed my very bad transfer case intake gasket leak! It hasn't leaked since and I've been checking it every day for about 2 weeks now.

Pros
  • Pleasant
Cons
  • Makes me nervous