You’ve heard about how Steel Seal is the premier head gasket repair product, now hear what people are saying! Steel Seal has been used successfully by thousands of mechanics and customers alike to fix blown head gaskets in everything from cars and trucks to boats, big rigs, and heavy construction equipment. Searching for engine block sealer reviews? See below to hear about their experience with Steel Seal.

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 141 reviews
by Galen M on Steel Seal
Galen from Sarasota FLORIDA
Make, Model, Year: 2000 Ford Explorer 4.0

I have a 2000 Ford Explorer 4.0 SOHC
A hose blew out, of the driver did not notice anything and the engine overheated to the shut itself off point. Most people know that at this point it’s a definite blown head gasket problem now or worse. Fortunately, after it cooled down I did not hear any tell tale sign of internal engine failure but because it was blowing pressure through the reservoir, wet steam from the exhaust and horrible engine miss, I was looking at the inevitable...”Head gaskets” or cracked heads, block ect.
This is a “point a to b” vehicle and not worth repairing.
I found this his product on-line and with its guarantee offer I decided what the heck? What’s to loose?
I followed the simpl instructions sent with the product and nearly 6 months later it’s still running great. It took a day or two of the process but eventually sealed and worked like I’d never imagine.
I’ve been in automotive all my life and in 50 some odd years I’ve never seen anything like this.
This product is awesome and WELL WORTH the chance and money it takes to fix your head gasket issues.
I’m a firm believer now!!!
Thanks Steel Seal! You saved my wallet

by George Hill on Steel Seal
Steel Seal works where others don't
Make, Model, Year: 2008 Chevy HHR

I'm amazed. This was my last resort before going for the head gasket replacement.
I had tried Several types of Bars Leak, K-Seal, K & W permanent sealer and Blue Devil. Call me hard headed but what troubled me is the car seemed to drive well for a while before it would heat up so I didn't think the breach could be that bad. So I kept trying.
I came across a video on Steel Seal that showed them adding it to I believe a Cadillac that was blowing white smoke and as they watch the smoke disappeared as they timed it.
So I thought Steel Seal worked for that it may work on mine. I spoke with both Roberts listed on the instructions to make sure I didn't miss anything and then added Steel Seal as instructed.
To my amazement - IT WORKED!
The car runs absolutely perfectly now. I waited a week before writing this to make sure it wasn't something temporary.
I can't thank the Roberts and Steel Seal enough for what I saved. Yes, it's a bit more expensive that the other guys but this stuff works. Save the effort of going through all the disappointments I went through and start with Steel Seal and you'll be back on the road again in no time. Thanks again, guys.

by Jay Donkel on Steel Seal
Good stuff!
Make, Model, Year: 1988 GMC C1500

I have over 235,000 miles on my truck. It was running rough with white smoke. After a treatment of Steel Seal it's running well with no smoke. Gooood stuff!!!

by Rigo on Steel Seal
good job
Make, Model, Year: 2003 Honda Civic

After watching the videos and reading some reviews i decided to give it a try, i must admit i was a little skeptical at first but to my amazement steel seal came through for me with out a hitch.just do what the instruction say and u cant go wrong,thanks Steel Seal

by C. Lee on Steel Seal
It works!
Make, Model, Year: 2005 Mercedes ML350

After going almost two months of putting in almost a liter of coolant every other day and having tried a different head gasket sealer/fixer before, I decided to give Steel Seal a try before the painful process of replacing the head gasket. I was skeptical, but had seen several other testimonials regarding the product, so decided that I'd give it a try.
I completely drained my system of any residual coolant (didn't want to take a chance that my formula was not compatible). I did not remove the thermostat as was suggested, but I had just replaced it and the water pump, so wasn't too concerned. I did replace everything with distilled water, put in both bottles (its a V6) and filled until it was 'full'. Did the drive at highway speeds, or at least kept it in the 2500 rpm range. Brought it back and let it cool, topped off the water level. After 30 minutes did the drive again. I probably did it two or three more times. Since I live in a temperate region, I left it in the vehicle for a week.
It NEVER lost its level after that first drive.
I just changed it out this weekend and replaced it with my normal coolant. It has been going on four days and the coolant level has not dropped after doing my normal driving.
It saved me tons of time.

by Scott Johnston on Steel Seal
Make, Model, Year: 1998 Chevy Cavalier

It worked beautifully. I've tried others and never had success so I was doubtful. Amazing product.

by harry scott on Steel Seal
best formula ever
Make, Model, Year: ford f-150 1997

just love it my truck has been run great best formula ever i strongly recommend this to anyone with bad head gasket and need it repaired my truck has 317 k miles and still going

by GRAHAM on Steel Seal
Make, Model, Year: 2003 corsa

been in the motor trade over 50 years white smoke milky oil did not think steel seal would fix this but you proved me wrong its now running fine

by Ed Lucas on Steel Seal
It Works
Make, Model, Year: Mitsubishi Shogun Sport 2.5 diesel

I had been having an annoying minor loss of coolant for some time. I needed to replace a litre of fluid every diesel fill up. After replacing all hoses and gaining nothing a visit to You Tube indicated I should be looking at the head gasket.
Needless to say, having verified it was a minor Gasket leak I Bought Steel Seal. This had to work as it would not be financially viable to have a professional replace the head Gasket. And it did work. 800 miles further along and going strong with no top ups required.

by DAVID OKOTH KIDI on Steel Seal
Make, Model, Year: NISSAN SUNNY

I searched for this product on the Internet and I had a chance to send someone who was traveling to London. It was bought at Halfords stores, London. I must say that I followed the instructions to the later and it is now four weeks and my car is ok. Thanks

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