D21 Hardbody 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1991)
3.
Remove the lines from the bypass valve (see Figure 6).
4.
Use hose clamps and temporarily connect a length of suitable hose between the bypass valve fittings that go to the oil cooler (see Figure 6).
5.
Pinch/clamp the temporary hose to prevent flow through the loop (see Figure 6).
6.
Cover the end of the bypass inlet line with a shop rag to catch any oil spray.
7.
Blow compressed air regulated to 5-9 kg/sq.cm (70 - 130 PSI) into the outlet for 10 second intervals, three times (see Figure 6).
8.
Re-connect the transmission lines and remove the temporary hose loop (see Figure 7).
9.
Go to Diagnosis Procedure (All Vehicles).
1996-98 Pathfinder (R50) Cleaning the Optional Air Cooled Oil-Cooler (Air Cooler)
1.
Place an oil drain pan under the A/T air cooler Inlet and Outlet hoses (see Points A and B, Figure 8).
2.
Disconnect the Inlet and Outlet hoses from the air cooler (see Points A and B, Figure 8).
3.
Insert the "extension adapter hose" from a can of Transmission Cooler Cleaner (Nissan P/N 999MP-AM006) into the air cooler Outlet hose (see
Point B, Figure 8).
CAUTION:
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Wear safety glasses and rubber gloves when spraying the Transmission Cooler Cleaner.
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Spray Cooler Cleaner only with adequate ventilation.
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Avoid contact with eyes and skin.