Product ReviewsNulon Permanent Head Gasket Repair 750ml

Sceptical at first, but it worked

I am a mechanic by trade. Have full intentions of replacing the head and gaskets but times are tight. Sceptical that it would work, took a few cycles of the cooking system to work. But to my shock it did worked. Still have intention to replace the head and gasket, but great quick fix to get out of troubleRead full review...

Verified purchase:  Yes | Condition: new | Sold by: ezicarparts

Didn't completely work

I had a suspected head gasket leak in a VW Transporter and thought I'd try this first before replacing the head gasket. I actually ended up putting 2 bottles into the cooling system. The first started to work but I also had a stuck thermostat which I wasn't aware of and the van overheated and burst a heater hose. I replaced a few bits and tried again with another bottle. The symptoms of the leaking head gasket reduced significantly but there is still a lot of pressure building up in the system after only a short time. Then the radiator developed a leak which I have since replaced. This product is supposed to cure minor leaks as well so I'm a bit disappointed with the result so far.
I'm basically not sure it has fixed the head gasket leak yet but it's not looking promising so far.Read full review...

It really works!

I was skeptical at first but I ended up fixing the busted head gasket and saving $1-1.5k in parts and labour, not to mention dealing with potentially dodgy mechanics. Excellent product!

Verified purchase:  Yes | Condition: new | Sold by: sparesbox_auto

Simply did not work at all.

Had a very small leaking issue, which I would have thought would be no problem if this product was any good. Did not change a thing, made no difference at all. I really don't see how they can state that it is guaranteed to work. Also money back guarantee?? Followed the instruction to the letter with no result. Read full review...

Verified purchase:  Yes | Condition: new | Sold by: automotive_supe...

It Didn't Work.

I tried to fix a head gasket leak on an 80 series Toyota Land Cruiser. The repair was unsuccessful. It's probably a good product but just my luck it didn't work for me. I use a whole range of Nulon Products which I'm very happy with but unfortunately this one let me down.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: sparesbox_auto

Did not work

I had tiny bubbles entering into cooling system on a 1kz-te diesel engine, I followed the directions and it made minimal difference and had to strip engine and clean up the residual mess, it stuck the old gasket to the block.
I would not recommend this product as a permanent fix.
For exhaust leaking into cooling system and pushing coolant to overflow the reservoir, this product dosen't work.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: sparesbox_auto

Epic Fail Unfortunately

Unfortunately it made my small water leak worse, my radiator is now emptien into my oil within a few minutes where I only had a tiny amount a water lose into cylinder 1 over a few days has now made the car completely undrivable, I followed the instructions but only made it worse, may work for some but unfortunately it was an epic failure for meRead full review...

Verified purchase:  Yes | Condition: new | Sold by: sparesbox_auto

Cheaper than SuperCheap when on sale too!

Engine light came on, thought it was something serious with my head gasket. Bought this first to try to see if it would fix the issue. Seems the engine light came on because I hadn't topped my my radiator coolant but at least I didn't have to take it to my mechanic for a service.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: ezicarparts

Insurance

Good product does what it states

Verified purchase:  Yes | Condition: new | Sold by: autopartsplus001

It Works. And saved me removing the engine for repair .. saved $1000's and grief. Now the engine does not each the radiator water .... and if it does

It Works. And saved me removing the engine for repair .. saved $1000's and grief. Now the engine does not each the radiator water .... and if it does in the future this product will always be in the Rad water to block it from doing that. Self healing.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: sparesbox_auto