G: Speedometer Noisy, Ranger and Explorer
G1 CHECK CONNECTIONS
^ Verify quick connect is properly attached at speedometer.
^ Is quick connect properly attached?
Yes
GO to G2.
No
REPAIR or REPLACE bad connection. CHECK for noise.
G2 VERIFY CONDITION WITH ENGINE RUNNING IN NEUTRAL
^ With engine running and vehicle in neutral check for noise.
^ Is noise still present?
Yes
CHECK for other cause of vehicle noise.
No
GO to G3
G3 CHECK VEHICLE SPEED SENSOR
^ Check vehicle speed sensor for erratic or noisy operation.
^ Is sensor erratic or noisy?
Yes
REPLACE vehicle speed sensor. CHECK system for noise.
No
GO to G4.
G4 CHECK SPEEDOMETER CABLE AND HOUSING ASSEMBLY
^ Check speedometer cable and housing assembly for any kinks bends or bent tips.
^ Does speedometer cable and housing assembly have kinks, bends, or bent tips?
Yes
REPLACE speedometer cable and housing assembly. For minor bends, ADJUST speedometer cable and housing assembly routing to obtain generous curves and CHECK for proper connection.
No
GO to G5
G5 CHECK GEAR(S)
^ Check for damaged or worn driven gear(s).
^ Are driven gears damaged or worn?
No
REPLACE speedometer. RECHECK system.
Yes
REPLACE gear(s) as required. CHECK system.