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Honda's older transmissions such as the Hondamatic semi-automatic transmission and its successors use traditional, individual gears on parallel axes like a manual transmission, with each gear ratio engaged by a separate hydraulic clutch pack. This design is also noteworthy because it preserves engine braking by eliminating a sprag between first ...
Automatic transmission fluid. Automatic transmission fluid (ATF) is a hydraulic fluid that is essential for the proper functioning of vehicles equipped with automatic transmissions. Usually, it is coloured red or green to differentiate it from motor oil and other fluids in the vehicle.
A cone CVT varies the drive ratio by moving a wheel or belt along the axis of one or more conical rollers. The simplest type of cone CVT, the single-cone version, uses a wheel that moves along the slope of the cone, creating variation between the narrow and wide diameters of the cone. Some cone CVT designs use two rollers.
It featured a Honda R18 1.8 L inline-four engine and a 5-speed automatic transmission like the regular gas-powered models, but was tuned so that it returned 41 mpg ‑US (5.7 L/100 km; 17.4 km/L). It came with 15-inch alloy wheels with low rolling-resistance tires that reduce rolling resistance by 20%, additional underbody covers, a rear ...
A typical modern application would be Honda motor's use of 5W-20 (and in their newest vehicles, 0W-20) viscosity oil for 12,000 kilometres (7,500 mi). Engine designs are evolving to allow the use of even lower-viscosity oils without the risk of excessive metal-to-metal abrasion, principally in the cam and valve mechanism areas.
Transmission experts recommend regular fluid changes for severe driving condition, every 80,000 km (50,000 mi). Specific fluid must be used. If incorrect fluid is used it could result in improper operation and lead to transmission damage. Aisin recommends to follow the scheduled maintenance. A badly done oil change can destroy the transmission.
The 4-speed automatic transmission in 1999 to 2001 models had serious problems with transmission durability. Honda spokesman Mike Spencer stated that four-speed models were afflicted with a bad bearing that could break apart, scattering fragments of metal that clogged fluid passageways in the transmission, causing it to shift erratically. [21]
It is estimated that, when compared to a gasoline engine only Civic sedan of 2006 with an automatic transmission, the Civic Hybrid provides an increase of fuel economy in city driving of about 63% and an increase of fuel economy in highway driving of about 27%. The CVT transmission is designed to achieve the highest efficiency for a given rpm. [38]