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July 2023 by Kevin Griffin
Don't waste your money with these products! They don't work head gasket sealer plugs up radiator and thermostat! It was installed as directed! Money back guarantee is a joke so maney hoops to jump thru so you just don't want to do it!
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December 2022 by Lexie Hoover
There rear seal stuff worked for 2 weeks
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March 2021 by Van Floyd
Very good about getting back to you and giving you an answer on a question!
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January 2021 by corey mcferron
It didn't work the first time but I called them and they got on top of it .they sent me another bottle. I should have it tomorrow we'll see how it works.
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November 2020 by Coco Sunny
Great products great customer service
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June 2020 by Zain Qaiser
Pour and go headgasket sealer broke my water pump and i can see gummy paste in the radiator.
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March 2020 by Margaret Amancio
Hi Blue, We don't you answer the mail I sent??? Do you have a problem??
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September 2019 by B.
Bought oil stop leak bottle, now normally I use Lucas in my tank, trans, an crankcase. Watched a few videos on this BLUE devil stuff, bought it yesterday in Troy, IL, poured it in my crankcase and within 100 miles, all leaking stopped.I'm a believer in using this product, and I recommend it highly.
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August 2019 by mrmet15 .
They have great stylists and the lowest prices on Bergen County
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June 2019 by Billy Knowles
Bought oil stop leak bottle, now normally I use Lucas in my tank, trans, an crankcase.
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April 2019 by Scott Allrich
Hands Down one of the worst products on the market with a customer service department that has no interest in backing their product. It froze my thermostat with this concrete like material and broke it beyond repair which in turn split my radiator wide open. I thought the company backed their products with a guarantee to work; which is stated right on the bottle. I speak with BDP Head Gasket Sealer customer service over the course of two weeks and they claim no responsibility for any of it. I send them receipts and copies of the events and the best they can do is refund my $39. My head gasket is still blown and I sank $250 into repairing the damage their product did to my car. PLEASE DO NOT BUY HEAD GASKET SEALER!!! It will cause serious damage to your vehicle.
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March 2019 by Trip Fisher
Blue Devil Blue Devil Blue Devil Blue Devil
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January 2018 by Marcia Hamilton
1990 Oldsmobile Cutlass Supreme SL with 64,000 miles on it. My mom was an older lady and only drove it once or maybe twice a week, so the gaskets were pretty stiff. Our very trustworthy and wonderful mechanic said that it had a blown head gasket, proven to himself by putting a tracer ink in the radiator and seeing the antifreeze and oil coming out from everywhere. He would fix it for a paltry $500.00 instead of some of the other estimates I read about on line, such as $1600.00 I came across Blue Devil Head Gasket repair and found a quart costs around $65.00 at NAPA. Most of the reviews were very good so we gave it a try. I bought 3 gallons of anti-freeze, one new thermostat, and the quart of BD Head Gasket Sealer for around $115.00 or a bit more, total. My mechanic followed the instructions to a 'T', did EVERYTHING as directed on the bottle, flushing the system, using half the bottle, as per the car's coolant capacity, letting it run for 50 minutes, then putting in the new thermostat, etc. It took two days to fully work and now there is NO antifreeze on my carport floor, and only 2 quarter sized dots of oil, so obviously it's working. I will update as the month wears on and let you all know how it's doing. For BD Head Gasket Repair, 5 stars and a thumbs up!
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August 2017 by Shannon Sikes
If I could give zero stars right now I would. I put this stuff in a 99 Honda CRV. It seal the thermostat so bad that NO coolant could flow thru the system. I do not recommend this product to anyone. I called to speak with someone at Blue Devil and the guy was so rude when i was trying to explain what had happened. I have over 30 years of experience and have used this product alot but after this there is no way in hell I will ever use it again! Customer service SUCKS!!!!
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May 2017 by Jessica Kelly
We were in dire straights with a head gasket all but blown. We had a small budget to work with and decided to take the leap with the Blue Devil Gasket Maker. 3,000 km later we made it to our destination with no more trouble. Thank you Blue Devil!
