Owners of 2008 Toyota Highlander and 2008-09 Sienna models with automatic transmissions and AWD systems may complain of a transmission fluid leak from underneath the vehicle. According to Toyota Motor ...

Nothing beats the feeling of rolling a Dodge Ram pickup with a freshly compound-turbocharged Cummins diesel engine out of the shop and onto the street for the first time and experiencing the reward ...

For more than 60 years, engineers specifying seals and customers using them have accepted the arbitrary rule that the maximum amount O-rings will swell in most applications is a 25% change in volume.

The trapezoidal shape is said to eliminate the possibility of the O-ring popping out, unlike standard round-shape O-rings that rely on being pinched by the groove retaining ring for seal retention.

Bores are sealed with ‘O’ rings' sited in grooves, (figure 1). The ‘O’ rings' are usually of toroidal shape (i.e. circular cross section) and are regulated by BS 1806 and BS 4518. Figure 1. ‘O’ Ring ...