Can you change the drive gear on a speedometer?
Can you change the drive gear on a speedometer?
Replacing the driven speedometer cable gear will allow you to correct the speedometer about 10 mph in either direction. The standard practice for larger corrections is to remove the transmission cross-member and tailshaft, remove the plastic clip that holds the drive gear in place and replace it with a larger or smaller gear.
Where is the drive gear located on a TCI speedometer?
The accompanying charts show what gears were manufactured for each type transmission. TCI® now stocks the most popular speedometer gears. Note: Drive gear refers to the gear that is on the transmission output shaft. The driven gear is located in a removable housing usually in the tailhousing of the transmission.
How do you change gears on TH400 speedometer?
Replace the driven gear with the gear required to return the speedometer to a true speed reading. Aftermarket TH400 gears are color-coded; consult your manufacturer’s gear ratio chart to determine the color gear you need. Dip the new gear into transmission fluid.
How do you unscrew a speedometer gear collar?
The speedometer cable screws into the speedometer gear housing; grasp the speedometer cable base with a pair of channel-lock pliers and turn the cable collar counterclockwise to unscrew it. Remove the bolt or bolts that secure the gear sleeve to the transmission tailshaft housing.
The accompanying charts show what gears were manufactured for each type transmission. TCI® now stocks the most popular speedometer gears. Note: Drive gear refers to the gear that is on the transmission output shaft. The driven gear is located in a removable housing usually in the tailhousing of the transmission.
What are the gears on a Ford speedometer?
Ford Speedometer Gears – Ford drive gears are machined into the output shaft on C3/C4/C5/C6 & AOD transmissions. You may need to remove your tailhousing to determine how many drive teeth your transmission has. 1 – This is a retrofit gear to allow the speedometer to function with 3.73 and 4.10 rear end gears.
How is a speedometer cable connected to a transmission?
Most vehicles use a manual cable hooked to the transmission case to decipher the rpm (revolutions per minute) signal. The speedometer cable, although simple in design, breaks down like any other component. Speedometer cables fail from lack of lubrication, impact, wear and cable breakage.
What’s the best way to install a speedometer?
Use your fingers to screw the cap screw onto the back of the speedometer housing. Tighten it with a pair of pliers. For the other design connector, push the cable end into the speedometer housing, and slip the clip back down over the locking groove by hand, or push it into place with the pliers.
