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Ford KA Gearboxes
Throughout the history of Ka each vehicle has had fitted a 5 speed manual gearbox. A manual Gearbox, also known as a manual gearbox or standard Gearbox (informally, a “manual”, “stick shift”, “straight shift”, or “straight drive”) is a type of Gearbox used in motor vehicle applications. It generally uses a driver-operated clutch, typically operated by a pedal or lever, for regulating torque transfer from the internal combustion engine to the Gearbox, and a gear-shift, either operated by hand (as in a car) or by foot (as on a motorcycle). Other types of Gearbox in mainstream automotive use are the automatic Gearbox, semi-automatic Gearbox, and the continuously variable Gearbox (CVT).
Manual Gearboxes often feature a driver-operated clutch and a movable gear selector. Manual Gearboxes are characterized by gear ratios that are selectable by locking selected gear pairs to the output shaft inside the Gearbox.
Manual Gearboxes in passenger vehicles are often equipped with 4, 5, or more recently 6 forward gears in conventional manual Gearboxes with a gear stick, and up to 8 forward gears in semi automatic Gearboxes. Nearly all have one reverse gear. For 5 speed like the KA or higher Gearboxes, the highest gear is usually an overdrive gear, with a ratio of less than 1:1.
Newer modern gearboxes
The modern gearbox is by far, the most complicated mechanical component in today’s automobile. Newer gearboxes contain mechanical systems, hydraulic systems, electrical systems and computer controls, all working together in perfect harmony which goes virtually unnoticed until there is a problem.
On a rear wheel drive car, power flow on a rear wheel drive the gearbox is usually mounted to the back of the engine and is located under the hump in the centre of the floorboard alongside the gas pedal position. A drive shaft connects the rear of the gearbox to the final drive which is located in the rear axle and is used to send power to the rear wheels. Power flow on this system is simple and straight forward going from the engine, through the torque converter, then through the gearbox and drive shaft until it reaches the final drive where it is split and sent to the two rear wheels.
A manual gearbox
A manual gearbox like the KA, also informally known as a ‘manual’, ‘stick shift’, ‘straight shift’, ‘standard shift’, or sometimes ‘5-speed’ is a type of gearbox used in motor vehicle applications. It generally uses a driver-operated clutch, operated by a pedal or lever, for regulating torque transfer from the engine to the KA gearbox, and a gear-shift, either operated by hand..
With heavy driving or even general long term usage your gearbox will not last forever. Should you come across any type of gearbox problems then we are the people to help. Contact us for specialist help our if you need a new, reconditioned or second-hand gearbox.
In many modern passenger Ford KA cars, gears are selected by manipulating a lever connected to the Gearbox via linkage or cables and mounted on the floor of the automobile. This is called a gear stick, shift stick, gearshift, gear lever, gear selector, or shifter. Moving the lever forward, backward, left, and right into specific positions selects particular gears. An aftermarket modification of this part is known as the installation of a short shifter which can be combined with an aftermarket shift knob or Weighted Gear Knob.
A sample layout of a 5 speed Gearbox marks N for neutral, the position wherein no gears are engaged and the engine is decoupled from the vehicle’s drive wheels. In reality, the entire horizontal line is a neutral position, although the shifter is usually equipped with springs so that it will return to the N position if not moved to another gear. The R marks reverse, the gear position used for moving the vehicle rearward.
Manual Gearboxes generally offer better fuel economy than automatic torque converter Gearboxes. Increased fuel economy with a properly operated manual Gearbox vehicle can range from 5% to about 15% depending on driving conditions and style of driving.
Looking after you Ka Gearbox
Because clutches use changes in friction to modulate the transfer of torque between engine and Gearbox, they are subject to wear in everyday use. A very good clutch, when used by an expert driver, can last hundreds of thousands of kilometres (or miles). Weak clutches, abrupt downshifting, inexperienced drivers, and aggressive driving can lead to more frequent repair or replacement.
Manual Gearboxes are lubricated with gear oil or engine oil in some KA cars, which must be changed periodically in some cars. Some manufacturers specify that changing the gear oil is never necessary except after Gearbox work or to rectify a leak.
Gear oil has a characteristic aroma due to the addition of sulphur-bearing anti wear compounds. These compounds are used to reduce the high sliding friction by the helical gear cut of the teeth (this cut eliminates the characteristic whine of straight cut spur gears).
Gearbox fluid should be changed periodically, see your KA manual, recommended intervals which could be anywhere from 15,000 miles to 100,000 miles depending on model. Most gearbox experts recommend changing the fluid and filter every 25,000 miles. Few gearboxes have drain plugs to drain the old fluid. In order to get the fluid out, the technician removes the gearbox oil pan. This is quite a messy job and generally not recommended for the casual do-it-yourself. Even if the gearbox has a drain plug, the only way to also change the gearbox filter is to remove the pan. When the pan is down, the technician can check for metal shavings and other debris which are indicators of impending gearbox problems.
In most cases during these gearboxes services, only about half the oil is able to be removed from the unit. This is because much of the oil is in the torque converter and cooler lines and cannot be drained without major disassembly. The fluid change intervals are based on the fact that some old fluid remains in the system.
When the KA gearboxes are serviced, make sure that the correct fluid is used to re-fill it. Each gearbox manufacturer has their own recommendation for the proper fluid to use and the internal components are designed for that specific formula. GM usually uses Dexron, Fords prior to 1983 use Type F while later models use Mercon. Late model Chrysler products use ATF +3 +4 (Not using the correct fluid for Nexia gearboxes is the most common reason for their gearbox problems.) Toyota sometimes uses Type T which is only available through Toyota and Lexus Parts departments. Ford also specifies out their own formula which is available from Ford for your KA. A gearbox will not work properly or may even slip or shudder with the incorrect fluid, so make sure that you double check. Your owner’s manual will tell you which fluid is required. Naturally, the owner’s manual will try to convince you to only use the manufacturer’s branded fluid, but they will also provide you with the specs for the oil. If the aftermarket product indicates on its container that they meet or exceed the specs for a particular type of gearbox fluid, it is generally ok to use that product.
Our commitment to you
We are the gearbox specialists, it’s all we do, and we do it well and we are the best at offering any make or model of gearboxes.
We are the UK’s largest virtual gearbox warehouse offering amazing 80% off for our customers on all parts. Find the car gearbox you need in minutes. We only work with specialist gearboxes suppliers; their unrivalled knowledge ensures that you get the right parts – first time! All our Ford KA Gearboxes are fully tested prior to dispatch and include a warranty; this is a testament to the quality of parts we deliver.
