SteelSeal Reviews 

Waste of a money.. didn't work in my case.. Money back is also a scam (its too difficult to get the document required, or the cost of review from mechanic is more expensive than the product).... don't waste your time and hope... after using this my car battry is gone too..

They sent me a free 2nd bottle as first one I bought didn't fix the problem. Maybe I'm the 1 percent that it can't fix but going to try again. Pleased with the company honouring their guarantee.

So I have to say I’m genuinely surprised Steel Seal (SS) actually worked and fixed my head gasket (HG) issue. But below I’ll outline how I did it and give simplified information on the purpose of a HG.

The job of a HG is to create a seal between the head of the engine and the block and is to stop the oil, coolant and combustion/exhaust fumes from mixing. Your HG can fail at different points, hence the very many varying symptoms and why you won’t get them all.

Mine failed between coolant and combustion and so I was getting exhaust fumes/gas/bubbles in my coolant which lead to water/coolant coming out of my exhaust (thus coolant level requiring topping up every few days), pressurised coolant with this lead to coolant being pushed out into the engine bay and getting cold air from the heater into the cabin. I ran a liquid test and the fluid changed from blue to yellow, indicating exhaust fumes in coolant.

If you have this then it’s recommended checking your spark plugs to see if they’re wet. If none are, then run the engine and one by one remove the injector/spark plug and see if bubbles stop in the coolant. If you are able to pull one of these and see the bubbles stop, then it’s recommended using SS without this spark plug/injector. I followed this however I wasn’t able to see the bubbles stopping so I ran SS with all four plugs/injectors in place.

I first flushed out my coolant - you cannot use SS with long life coolant which most red coolants are. I also removed my thermostat which made it easier to get all the coolant out and flush the system; this also allows for good flow of SS through the system once you’re ready to run it. Once flushed, put it all back together without the thermostat, fill up your system with water, put in SS and run are stated on bottle. I sat and revved my engine at 2000-2500rpm to get it to temp quicker then let it sit for 30mins on my drive. When I came back the operating temperature had dropped so I revved it some more. I then switched engine off and let it sit for 30 mins then ran it again (revving with whole time) for another 30 mins to ensure it had been done properly. Once done, you’re meant to let it sit overnight (as per what SS state) but I’d read somewhere to leave it for 24 hours (most household sealants say this so my thinking was it makes sense to let it cure for this amount of time as a minimum). I in fact left it for 48 hours as I didn’t need my car, then removed the water/SS mix, put thermostat back in and filled with coolant. I bled the system then retested and results were telling me SS had worked ie blue liquid didn’t change colour. Drove around the next day and no HG failure symptoms present.

I do 40k miles a year and I think I’d be pleased if I got and extra 20-40k miles. I’d be overjoyed if I got 60k! I am hoping this is a permanent fix however I don’t think it will be, maybe it’s the pessimist within me or the fact that I’ve come across so many people stating this just isn’t the case. I do also accept that the HG could fail at another point eg between oil and coolant or even get the same symptoms again but it could have failed at a different point… how would I know without opening it up? I wouldn’t so I’d try SS again.

I’d recommend you contact SS directly about your symptoms (I did via email many times) and they’ll tell you exactly how best to run it. I got all the above info from them so it’s worth it.

rubbish did not work and a mega hassle if you do get your money back,as they want proof of this and proof of that.its just a big con.would not recommend at all.buyers beware.could end up with more damage.

I have used this now in 2 different cars, both with head issues. It didn't fix either of them. They claim its guaranteed to fix any car and they claim it works in 99%of cars so I must have been extremely unlucky to get the 2 cars in that 1% failure. Sadly the money garantee is nearly impossible to get it's not even worth bothering with and They don't state the terms and conditions on the bottle, use k-seal as a £10 fix8t may or may not fix it but it's cheaper than this rubbish.

I was looking at a costly repair bill, got a bottle of steel seal and it worked, the best thing ever !!
Saved me alot of money today.

The head gasket on my 2002 Renault Clio 1.2 16V had blown. Quoted £1000 + to replace which was more than the value of the car, was recommended this product by another garage and so thought I'd give it a go instead of scrapping car. Followed the very clear video on YouTube and an hour later all fixed. That was 3 weeks ago been using the car since no leaks, smell of hot rubber or topping up water so very pleased with the result

In April this year my 2018 Skoda Octavia was diagnosed with a potentially cracked head gasket. Facing a bill running into hundreds of pounds, I did some online research and came across Steel Seal. The reviews were good in the main so I decided to give it a try. I used Steel Seal exactly as directed and was pleased with the result; the engine coolant needed to be topped up less often. Following more research I put a second bottle into the system.

A few weeks ago I turned the hot air on for the first time since the Steel Seal has been introduced to the system. There was no hot air. I took the car to a mechanic who diagnosed that the heater matrix was blocked. I booked the car in and the work has been completed at a cost of £500. I was shown the heater matrix and it was completely blocked with a brown grease-like substance. Speaking with the mechanic we are sure that it is the Steel Seal that has caused this blockage. So it has avoided repair of the head gasket but left me with a huge bill for an issue caused by Steel Seal.

DO NOT USE THIS PRODUCT

Followed the instructions on the bottle to the letter.
This product worked for me. The car had previously been ran out of water and driven until it overheated. Blew the radiator hose up like a balloon and steam billowing out.
After the product application and leaving the car to cool it now doesn't overheat or use water. The car is being driven around with no issues.
Steel seal is very much worth a go, for £40 odd pounds it's a no brainier.
Follow the bottle's instructions fastidiously though.

Product didn't work for me (I had the less common backpressure issue), but customer service were easy to get hold of, knowledgeable and the company did honour their money back guarantee. I don't think I could ask for more.

Flushed anti freeze out of sons car and only added water back for the steel seal. Ran engine for 30 minutes and left to cool. Seems to of worked straight away as now turns over straight away and was an effort to start before. Fingers crossed it will hold.
Definitely worth the cost whatever. Will add blue anti freeze tomorrow.

Fantastic product, saved me hundreds.

I took my car to a local garage and was diagnosed with a head gasket problem. I was quoted £800 + for a replacement head gasket, which I simply could not afford. A friend recommended Steel Seal, I purchased a bottle and the garage happily applied it.

I was absolutely frantic as I use my car to get my children to school and myself to work. I admit, I was dubious to begin with, that a liquid would fix an £800 problem, but it worked!

I have since driven more than 1200 miles and there is no sign of a problem at all. I am very pleasantly surprised.

In the end the cost was a bottle of Steel Seal and 1 hour labour from the garage. So I saved around £700.

Amazing!

I was sceptical, but only needed the car for a few more weeks, so I'd thought I'd give it a go. Citroën C3 1.4 petrol, gone in the usual place at the oil gallery in the front corner of the head gasket. Drained and flushed oil and coolant. Followed instructions, expansion tank reminded me of a slushy machine but after running up to temp and ticking over, I let it cool. Some residue in the expansion bottle, but the car has run fine with no issues for several hundred miles now.

No money back, did not work ( mecanic in work 17 year +)
Garbage, save your money dont by this.

As a non believer in such products have so far (three weeks) have been proven wrong and I can put my quote of £600 away VERY HAPPY!

Didn’t work rang for assistance which was a premium rate number the person who answered the phone couldn’t help and said a colleague would ring back
Never received a call poor product poor customer service wouldn’t recommend.

Best product going one fixed head gasket on an old ford ranger.

Looks like work for me, 2l diesel used water,so far good 👍

No More White Smoke! Did a complete flush of my coolant and oil and put this in and its worked. Worth ago if you're looking at getting your head gasket done anyways. It will let you know, if it doesn't work, that you have a serious issue that might be more than a blown head gasket and more like a cracked head.

Bought 2 bottles of this and it did not fix anything.
I asked the company several times if they have any advice and had no answer for a while. eventually they answered and gave no advice.
told me if I want my money back I had yo go pay a garage to do a pressure test.
I couldn't even find a garage that does that around where I live.
so don't expect for your money back