|
Mechanical fault without fault code
Note: Transmission
faults may be purely mechanical and do not always affect
transmission function. The following tables help to localise
faults.
|
Loud fluttering noise in selector lever position N
or P (stationary vehicle, engine running at idle speed)
|
| |
|
|
|
Probable Cause
|
Remedy
|
Description in operation
|
|
Incorrect fluid level
|
Check fluid level
|
Transmission Fluid Level, Check and Correct
|
|
Converter malfunction
|
Replace converter
|
"Replace converter and/or oil pump seal ring"
|
|
Fluid pump malfunction
|
Check transmission fluid condition, dismantle and clean fluid
pump if necessary.
|
"Check Transmission Fluid Condition", "Fluid Pump, Remove and
Install", "Fluid Pump, Dismantle and Assemble".
|
|
Internal transmission failure
|
Check transmission fluid condition, if necessary dismantle
transmission and correct fault.
|
"Transmission Fluid Condition, Check"
|
|
Screeching noise in selector lever position N or P
(stationary vehicle, engine running at idle speed)
|
| |
|
|
|
Probable Cause
|
Remedy
|
Description in operation
|
|
Loose bolts on drive disc
|
Replace bolts with new ones and tighten in accordance with
specified tightening torque.
|
"Recommended Torque Values"
|
|
Broken drive disc
|
Replace drive disc
|
"Drive Disk, Remove and Install" in group "J".
|
|
Transmission not properly attached to engine
|
Check engine/transmission alignment, retighten bolts with
required torque.
|
"Recommended Torque Values"
|
|
Converter scrapes transmission housing
|
Check transmission fluid condition, if necessary dismantle
transmission and correct fault.
|
"Transmission Fluid Condition, Check"
|
|
Internal transmission failure
|
Check transmission fluid condition, if necessary dismantle
transmission and correct fault.
|
"Transmission Fluid Condition, Check"
|
|
Screeching noise when in gear (stationary vehicle,
engine running at idle speed)
|
| |
|
|
|
Probable Cause
|
Remedy
|
Description in operation
|
|
Worn bushing in fluid pump
|
Check transmission fluid condition, if necessary replace fluid
pump.
|
"Check Transmission Fluid Condition", "Fluid Pump, Remove and
Install", "Fluid Pump, Dismantle and Assemble".
|
|
Internal transmission failure
|
Check transmission fluid condition, if necessary dismantle
transmission and correct fault.
|
"Transmission Fluid Condition, Check"
|
|
Loud knocking or metallic noises in every gear
except for in 4th gear
|
| |
|
|
|
Probable Cause
|
Remedy
|
Description in operation
|
|
Internal transmission failure
|
Check transmission fluid condition, if necessary dismantle
transmission and correct fault.
|
"Transmission Fluid Condition, Check"
|
|
Fluid leak between engine and transmission when
vehicle is stationary and engine is running
|
| |
|
|
|
Probable Cause
|
Remedy
|
Description in operation
|
|
Fluid level too high
|
Check fluid level
|
Transmission Fluid Level, Check and Correct
|
|
Transmission not properly attached to engine
|
Retighten bolts with required torque
|
"Recommended Torque Values"
|
|
Fluid pump bushing damaged or loose
|
Check transmission fluid condition, if necessary replace fluid
pump.
|
"Check Transmission Fluid Condition", "Fluid Pump, Remove and
Install", "Fluid Pump, Dismantle and Assemble".
|
|
Fluid pump seal ring
|
Replace fluid pump seal ring
|
"Replace converter and/or oil pump seal ring"
|
|
Converter neck damaged or faulty
|
Replace converter and fluid pump seal ring
|
"Replace converter and/or oil pump seal ring"
|
|
Fluid leak when vehicle is stationary
|
| |
|
|
|
Probable Cause
|
Remedy
|
Description in operation
|
|
Leaky seals or seams
|
Check axle shaft seals, fluid cooler lines and connections,
transmission housing and sealing points.
|
"Axle Shaft Seal Rings, Replace", "Fluid Cooling Lines, Remove
and Install", "Valve Body Cover, Seal or Replace", "Main Housing,
Replace", "Auxiliary Housing, Replace"
|
|
