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Your cart is empty.Bar’s Leaks® High Mileage Engine Repair contains a combination of the best performance additives to repair the most common oil-related problems. Engine Repair restores lost compression and power, reduces noise and oil consumption, while improving the performance of worn cylinders, rings, bearings, and seals. For most vehicles, this is your last chance before paying an expensive repair bill or replacing the vehicle. Engine Repair can be used to top off the existing oil when low, or add a bottle when changing the oil and filter. Compatible with ALL types of engine oils, including petroleum, semi-synthetic, synthetic and high-mileage formulas.
Ash
Reviewed in the United States on February 6, 2025
Brought back life in my old dodge. I've got a crack in the manifold along with a broken screw in the engine block where the manifold mounts. Major pain to fix, on the fence with either fixing it or doing a motor swap. Used this for the time being and it's improved the performance, reduced engine noise and I noticed a slight reduction in gas use. It also lubes and restores a lot of the seals which is supposed to reduce smoke levels. I've never had an issue with smoke, but anyways it's worth it 100%.
Marc & Whitney
Reviewed in the United States on February 17, 2025
Great product, works just as described on my wife’s Q7. Excellent value for the $.
steve McElyea
Reviewed in the United States on February 13, 2025
Seems to have slowed oil leak a pretty good amount - very quickly. Would recommend
David kaliszczak
Reviewed in the United States on February 1, 2025
It works ... I have a 2007 Mercedes that was going thru half a quart a month.. it's been a couple weeks but car works great no more leak
ChicagoVegasJack
Reviewed in the United States on January 26, 2025
I used a ton of this S* in my Mountaineer before I realized that my F* oil sensor plug was actually leaking. $20 and 15 minute fix. However, I use this stuff in all my older vehicles and any seal leak stops after a week or so. Good S* ! A must for older motors. Good price.
Isaiah209
Reviewed in the United States on January 13, 2025
I have a Silverado with a small leak from the oil pan's seal, I am not trying to do all that so I thought I'll give this product a try, I'm gonna tell you the moment I started the truck it the truck felt like if it was new, the truck used to shake a little during idling, after using this product it was running so smooth that u can actually cook an egg in the engine, then I noticed the leak was gone, I usually don't push for snake oil but this product works well
Omer71360
Reviewed in Saudi Arabia on September 7, 2024
بعد استخدام ٣عبوات على فترة صار الدخان اكثر والمحرك يقطع منتج ليس له قيمة ابدا بل يضر ما ينفع
Scorpion
Reviewed in the United States on September 24, 2024
Only used one bottle but seems to have stopped my leak, only time will tell when I go get the oil changed.
messyjessy
Reviewed in Canada on May 18, 2024
Works great, I'm shocked! I should get a few more years out of my Honda now, put in 2 months ago and the oil level isn't burning down anymore
RSLSRBM
Reviewed in Singapore on December 7, 2024
Na
Noah whalley
Reviewed in Canada on April 4, 2024
I could hear the difference in engine in my 01 Tahoe. Great stuff.
Zarnoosh Wadia
Reviewed in the United Arab Emirates on June 27, 2023
Solved 98% of my problems
K. Dang
Reviewed in the United States on December 29, 2014
Used this product on a Honda Accord 1999 EX 4cyl. Car was leaking oil. I had to refill a quart every 2-3 weeks. Mechanic informed me the car was leaking in numerous spots but the biggest area of concern was the rear main seal.I tried some Lucas Oil 10278 stop leak but it made zero difference after 3 weeks. Before deciding to pay my mechanic around $1200 (my car is only worth $2000!) for all the seals and gasket repairs, I used this Bar's Leaks 1000 engine repair. Poured the entire content in the crankcase before heading out on a fairly long trip. I was honestly surprised it worked within a week. I was expecting it to at least just slow the leak down but the leak has stopped completely and I haven't had to pour in oil nor have I seen any drips. When doing an oil change I found the underside of my car completely dry.I'll update this review as time goes on to inform how well it holds up.EDIT 3/19/2015The leak has returned but it is much smaller than the initial leak before any Bar's Leak engine repair was added. I decided to give it one more try. I bought another bottle of the product and poured it in. It has been 3 weeks now and the leak is gone once again.So far in my case the product can be deemed as just a temporary solution. Some reviews here have claimed that two bottles will do the trick so I am holding on to that shred of hope that this second bottle will permanently seal the leaks. I would still recommend the product for the price alone.EDIT 8/20/2015No leaks as of today! Seems like the second bottle did the trick.Final Edit 11/23/2015After virtually a year of no oil leaks, this product held up for my 99 Accord.However, last month I tried the product on a friend's 97 Accord, with a minor rear main seal leak and it did not work at all. I also used it on my brother's 95 Corolla also with a rear main seal leak to no avail. I tried two bottles (not all at once) for each of the car and saw no difference. Maybe it was because my car's leak was new when I applied the product whereas the other two cars have had their leak for a long time.I would still recommend this product. I am not saying it will work for all applications but it is worth a try. Best of luck to you and I hope you found this review a little helpful.
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