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  • CRC 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 fl. oz.
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CRC 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 fl. oz.

by CRC
| 5 answered questions

List Price: $33.21
Price: $20.19 & FREE Shipping on orders over $35. Details
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Ships from and sold by Amazon.com.
  • Uses nanotechnology
  • Fills cracks and crevices
  • Makes a stronger bond
  • Permanently hardens to surface area
  • Applications include automobiles, buses and trucks
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3 new from $16.91
$20.19 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

CRC 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 fl. oz. + Prestone AF-KIT Flush 'N Fill Kit + Prestone AS105 Radiator Flush and Cleaner - 22 oz.
Price for all three: $26.25

Buy the selected items together

Product Information

Technical Details
BrandCRC
Item Weight2.5 pounds
Product Dimensions2.5 x 4 x 9 inches
Item model number401232
Manufacturer Part Number401232
  
Additional Information
ASINB000M8NZ70
Best Sellers Rank #20,526 in Automotive (See top 100)
Shipping Weight2.7 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableMarch 1, 2006
  
Warranty & Support
Warranty, Parts: Parts

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Product Description

For nearly 50 years CRC has gained the respect of technicians, drivers and distributors alike by providing superior quality products they can count on and you can too. From brake and electrical maintenance to grease, gear oil and diesel additives, CRC has got you covered. Our ISO 9001:2000 certified R&D and manufacturing facilities focus on new technology, quality and consistent manufacturing. CRC is committed to leading the way with cutting edge products to better serve the professional technician and the do-it-yourselfer. Using Nanotechnology, this product fills in cracks and crevices other products can't, making a stronger, more solid bond that's permanently hardened to the surface area.

Customer Questions & Answers

Customer Reviews

It worked a treat, car runs perfectly now.
michael
If the head gasket has a major failure (blowing steady white smoke, engine overheated, blowing water into the oil) it may or may not work as well.
JDR
I will also add having worked on cars my entire life, regardless of which product you use, these are not "permanent" repairs.
E. A. Jacques

Most Helpful Customer Reviews

23 of 25 people found the following review helpful By Buz E on August 28, 2010
Verified Purchase
I used the CRC 'Permanent Head Gasket & Block Repair with Nanotechnology' in my 1999 Cadillac SLS Northstar at 118,000 miles.

Here were my symptoms:

1. Overheating

When the outside temperature was 90 degrees, driving at highway speeds (60-70 mpg) with occasional acceleration due to passing, lane changes or slight grades would result in the temperature gauge going from the normal 12 o'clock position to 1, 2, or even 3 o'clock.

Warning messages would progress from 'Engine coolant hot' to 'AC turned off' to 'Idle engine Now' to 'Change oil'

Slowing to 45-50 mph (side roads) would allow the engine to cool enough for the temperature gauge to drop. Exiting the highway and idling the engine or shutting it off for 5 to 10 minutes was sufficient to bring the temperature back to normal.

The next morning I would need to add coolant to the overflow tank, so the pressure in the cooling system was high enough to push past the pressure cap.

When the outside temperature was lower, the same things occurred, just at different speeds.

2. Rough running when starting

After the car had been sitting for more than 4 hours, it would run rough for 2 or 3 minutes. And, when accelerating from a stop at a traffic light, the engine would not run perfectly smooth. The effect was subtle and it felt like driving over mildly rough pavement.

My regular mechanic replaced the radiator, then the cooling fans, then the thermostat and pressure cap. Each of these helped the engine run cooler longer, but did not cure the problem. He then performed a test and found evidence of combustion products in the coolant. He recommended a new engine for $7000 + installation.
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16 of 17 people found the following review helpful By Ann Putney on October 6, 2013
My 1996 Windstar was losing coolant fast. The Ford dealer said I needed a new head gasket costing more than $1,600. I read on-line reviews of this product (most of which were good) and I thought I'd take a chance. I dropped the Windstar off at a local radiator repair shop with the bottle of K&W and went over the instructions thoroughly with the mechanic. He said he had never used this before, but was interested in trying it. I left the car with him for two days. When I picked it up he said he had followed the directions exactly and charged me $80. He also said that he thought it worked, but time would tell. I drove the Windstar for another five years and 100,000 miles without any further coolant loss or head gasket problems. It's worth a try! The End :)
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19 of 22 people found the following review helpful By JDR on June 20, 2012
Verified Purchase
I read all the reviews on this CRC head gasket sealer before buying and most of these sealers have mixed reviews. I think if you head gasket is just begining to show signs of leaking (puff of white smoke on start up or running a little warmer than usual) these sealers work better. If the head gasket has a major failure (blowing steady white smoke, engine overheated, blowing water into the oil) it may or may not work as well. Definitely worth a shot, it's a lot cheaper/easier than replacing the gasket. I used it on a older vehicle that I suspected may have a head gasket starting to go out. I followed the directions exactly and the gasket hasn't caused any problems. I have to recommend using because it did seal a leak at the top of the radiator that Alumaseal powder wasn't able to. I flushed out the engine and radiator several times after treating, but I can still see small metallic flakes in the coolant, so I think it will seal any new leaks that develop.
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3 of 3 people found the following review helpful By E. A. Jacques on December 29, 2014
Verified Purchase
I tried to use this product to fix a head gasket leak on my 2002 Dodge Caravan. I followed the manufacturer's instruction to the letter. That is; removed the thermostat and flushed the engine to completely remove all coolant from the system. I flushed the heck out of it too. Like five complete refills, starts and drains to ensure there was no coolant. I even had a new radiator installed prior too using the product.

Now to be fair after this did not work I ended up trying K-Seal as well, which also did not work - although I did get some results using the K-Seal product. At this point I am rebuilding the upper half of the engine.

So, I can't say 100% for sure that this product does not work, it just did not work for me. I don't know that anything would have. But if I had to do it again, I'd use the K-Seal to avoid having to flush the entire system. Although, if it's an old car and it's suffering from a semi-clogged radiator, you could be asking for trouble using any of these type products.

I will also add having worked on cars my entire life, regardless of which product you use, these are not "permanent" repairs. I fully expected to have to change the head gasket at some point when the weather got better. So if you are buying this thinking you'll be good to go forever, you are kidding yourself. Just sayin.
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Verified Purchase
4/23/15 UPDATE - I'm raising my review 2 Stars because I recieved a refund check today from CRC INDUSTRIES for $38.49 which is double what I paid for their product. NOTE: They only send a personal check and do not put the money back on your Credit/Debit card.

3/27/15 UPDATE - Still have not recieved the form they send to fill out to get refund. Called CRC to alert them I've been waiting 7 days and no form has arrived. Person in Refund Depm't says
"oh, I'm sorry but the person that mails
them out is on vacation right now and IF APPROVED PLEASE ALLOW 10-12 WEEKS FOR REFUND"!! HOW DO YOU LIKE THEM APPLES FOR AN ANSWER!!

3/20/15 UPDATE - Company finally agreed to honor their "double your money back guarantee" after I told them I used both or their products back to back following directions to the letter.
a) 32oz K&W geen bottle Nanotechnology $20 and b) 16oz Orange Can $10 to assure a high
probability of success. WELL NOTHING
BUT A LOT OF WORK AND WASTED
TIME. I will update again if and when I
actually get my money refunded.

GET THIS! COMPANY TECH PERSON
SAYS YOU MUST GO TO COMPANY
WEBSITE WHERE THEY TELL YOU TO
REMOVE SPARK PLUGS OR PRODUCT
WONT WORK - SHE SAID WE DON'T SAY
THAT ON THE BOTTLE BECAUSE WE DO
NOT HAVE ENOUGH ROOM TO PRINT
EVERYTHING!!!! How's that for an answer? OH, I SEE - SO THE
CUSTOMER DOES EVERYTHING THE
LABEL INSTRUCTS AND IF PRODUCT
DOESN'T WORK ITS BECAUSE WE
DIDN'T READ A COMPLETELY
DIFFERENT SET OF INSTRUCTIONS ON
THEIR WEBSITE??? AND THEY WILL

NOT HONOR THE "DOUBLE MONEY
BACK GUARANTEE BECAUSE WE DO NOT PULL SEVERAL SPARK PLUGS OR THE PRODUCT WILL NOT WORK!!!!! THIS IS A COMPLETE OUTRAGE!!!!!!!
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CRC 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 fl. oz.
This item: CRC 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 fl. oz.
Price: $33.21 $20.19
Ships from and sold by Amazon.com