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Revitalize Your Vehicle with Bar's Leaks 1816 Differential Gear Repair Review

4

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Very good

Revainrating 4.5 out of 5  
Rating 
4.5
💨 Automotive Additives, 🛢️ Motor Oils & Fluids

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Description of Revitalize Your Vehicle with Bar's Leaks 1816 Differential Gear Repair

Seal Conditioner – stops current and prevents future leaks by protecting and reconditioning seals. Extreme Pressure (EP) and Anti-Wear (AW) Agents – provide excellent metal-to-metal wear protection reducing noise and gear temperatures. Our sulfur, nitrogen and phosphorus additives meet the requirements of API GL-4 and GL-5 specifications. Friction Modifier – supplements the EP/AW additives to help reduce noise and wear. This in turn helps shifting in a manual transmission and also stops chatter in limited-slip posi-traction axles. Performance Additive Booster – includes tackifying agents and highly sheer-stable multigrade viscosity modifiers to keep oil on the gears and bearings where it can better lubricate, especially at higher temperatures. Pour Point Depressant (PPD) allows product to flow even at very low temps. Manufactured in the USA, this product works in all manual gearboxes, differentials, open & posi axles and more. Stops pinion, axle, output shaft and other seal leaks. Reduces grinding, whining, clunking and protects gears.

Reviews

Global ratings 4
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  • 4
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  • 3
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Type of review

Revainrating 5 out of 5

Greatly reduce noise.

It's too early to tell if it will stop the gear seal leaking, but it's definitely made the diff quiet. I'm impressed with how quiet it is and makes me think you'll want to use it in something that leaks to reduce normal wear and tear.

Pros
  • Decent performance
Cons
  • No performance

Revainrating 4 out of 5

seems to help! - Additive

I had a small drip from the transmission seal on the rear differential of my Jeep Liberty. I've poured a whole bottle and haven't seen any immediate results, but now after about 200 miles it seems to be dripping a lot less so I'm happy with the product. It also reduced gear noise somewhat.

Pros
  • Weight
Cons
  • Good but not great

Revainrating 5 out of 5

It really worked: Supplements

I know these quick fixes don't usually work, but I didn't gain anything by trying. For years past (70's) I've trusted the name BARs to lick radiators so thought I'd give them a try in this case. I have a newer rear end in my classic car and for some reason it was making very loud metal on metal noises under very light loads like 40mph cornering or under light acceleration. it was loud. I drained off enough liquid to add the recommended amount of 1/2 bottle and then decided to make the whole…

Pros
  • Lots of positive vibes
Cons
  • No instructions

Revainrating 4 out of 5

Differential possibly too damaged

I have a 2003 Land Cruiser that is leaking front diff (front axle seal) fluid. I bought it and found it was leaking when I changed the transmission fluid. Front differential oil may never have been changed in 205,000 miles. The filler plug differs from other plugs in that it is a Torx. Looks like someone tried to pull it out with a hex and failed. In any case, when drained, it turned out to be in the form of a jelly-like black goo. The cork has a long tail made of metal particles in the slime…

Pros
  • Great for me
Cons
  • Many things