TROUBLE DIAGNOSIS - BASIC INSPECTION
AT-75
[RE4F04B]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Revision: November 2006
2006 Altima
8.
Move selector lever to N position.
9.
Cool off ATF.
●
Run engine at idle for at least one minute.
10. Repeat steps 5 through 9 with selector lever in 2, 1 and R posi-
tions.
JUDGEMENT OF STALL TEST
The test result and possible damaged components relating to each result are shown in the illustrations on next
page.
In order to pinpoint the possible damaged components, refer to
NOTE:
Stall revolution is too high in D, 2 or 1 position:
●
Slippage occurs in 1st gear but not in 2nd and 3rd gears. ..... Low one-way clutch slippage
●
Slippage occurs in the following gears:
1st through 3rd gears in 3 position and engine brake functions.
1st and 2nd gears in 2 position and engine brake functions with accelerator pedal released (fully closed
throttle). ..... Forward clutch or forward one-way clutch slippage
Stall revolution is too high in R position:
●
Engine brake does not function in 1 position. ..... Low & reverse brake slippage
●
Engine brake functions in 1 position. ..... Reverse clutch slippage
Stall revolution within specifications:
●
Vehicle does not achieve speed of more than 80 km/h (50 MPH). ..... One-way clutch seizure in torque
converter housing
CAUTION:
Be careful since automatic fluid temperature increases abnormally.
●
Slippage occurs in 3rd and 4th gears in D position. ..... High clutch slippage
●
Slippage occurs in 2nd and 4th gear in D position. ..... Brake band slippage
●
Engine brake does not function in 2nd and 3rd gears in D position, 2nd gear in 2 position, and 1st gear in
1 position.
Stall revolution less than specifications:
LCIA0064E