Rear Main Seal. The rear main seal keeps oil sealed inside the rear of the engine, where the crankshaft connects with the transmission. It can be expensive to repair, often $600 or more, because ...

If we’re not talking about the Mitch Ryder song “Devil With a Blue Dress,”John Gilbert takes a look at Blue Devil rear main sealer with step-by-step photos.

Not all were for leaky wheel seals, but the Federal Motor Carrier Safety Administration has routinely emphasized hub and seal leaks as among the very most common of all maintenance-related violations.

If oil isn’t dripping from beneath your Jeep TJ’s inline-six, it’s because it’s either brand new or the rear main seal has been replaced within the last 40,000 miles. That’s just a fact ...

AThe writer’s ’63 convertible Corvair leaks transmission fluid whenever the car sits in her carport. She wants to know what she can do to prevent this mess. Unfortunately, these cars ca… ...

According to Toyota Motor Sales USA Inc., the leak usually appears at the vent at the top/front portion of the transfer case or at the joint where the transfer case bolts to the transmission. A ...

And the [transmission], the front input shaft seal was leaking.” Advertisement. The mechanic says he pulled the transmission out to find the leak and called the dealer to request a seal.

Owners of some 2008-13 General Motors cars and SUVs may come into your store with a complaint of a transmission leak. According to GM, the leakage issue is most obvious on 6T30, 6T40, 6T45 and 6T50 ...