AT-72
[RE4F04B]
TROUBLE DIAGNOSIS - BASIC INSPECTION
Revision: November 2006
2006 Altima
3.
Disconnect the fluid cooler inlet and outlet rubber hoses from the
steel cooler tubes or bypass valve.
NOTE:
Replace the cooler hoses if rubber material from the hose
remains on the tube fitting.
4.
Allow any A/T fluid that remains in the cooler hoses to drain into
the oil pan.
5.
Insert the extension adapter hose of a can of Transmission
Cooler Cleaner (Nissan P/N 999MP-AM006) into the cooler out-
let hose.
CAUTION:
●
Wear safety glasses and rubber gloves when spraying
the Transmission Cooler Cleaner.
●
Spray cooler cleaner only with adequate ventilation.
●
Avoid contact with eyes and skin.
●
Do not breath vapors or spray mist.
6.
Hold the hose and can as high as possible and spray Transmis-
sion Cooler Cleaner in a continuous stream into the cooler outlet
hose until fluid flows out of the cooler inlet hose for 5 seconds.
7.
Insert the tip of an air gun into the end of the cooler outlet hose.
8.
Wrap a shop rag around the air gun tip and of the cooler outlet
hose.
9.
Blow compressed air regulated to 5 - 9 kg/cm
2
(70 - 130 psi) through the cooler outlet hose for 10 sec-
onds to force out any remaining fluid.
10. Repeat steps 5 through 9 three additional times.
11. Position an oil pan under the banjo bolts that connect the fluid cooler steel lines to the transaxle.
12. Remove the banjo bolts.
13. Flush each steel line from the cooler side back toward the transaxle by spraying Transmission Cooler
Cleaner in a continuous stream for 5 seconds.
14. Blow compressed air regulated to 5 - 9 kg/cm
2
(70 - 130 psi) through each steel line from the cooler side
back toward the transaxle for 10 seconds to force out any remaining fluid.
15. Ensure all debris is removed from the steel cooler lines.
16. Ensure all debris is removed from the banjo bolts and fittings.
AT-72, "A/T FLUID COOLER DIAGNOSIS PROCEDURE"
A/T FLUID COOLER DIAGNOSIS PROCEDURE
NOTE:
Insufficient cleaning of the cooler inlet hose exterior may lead to inaccurate debris identification.
1.
Position an oil pan under the automatic transaxle's inlet and outlet cooler hoses.
2.
Clean the exterior and tip of the cooler inlet hose.
SCIA2945E
SCIA2955E
SCIA2962E
