Nissan Frontier D22. Manual — part 31

CONTROL VALVE ASSEMBLY

AT-93

[RL4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

Bolt length and location:

2.

Install solenoids.

a.

Attach O-ring and install overdrive cancel solenoid valve and
side plate onto lower body.

b.

Attach O-ring and install torque converter clutch solenoid valve
onto upper body.

3.

Tighten bolt.

Bolt symbol

a

b

Bolt length

mm

(in)

45 (1.77)

33 (1.30)

AAT815

SAT144G

AT-94

[RL4R01A]

CONTROL VALVE UPPER BODY

CONTROL VALVE UPPER BODY

PFP:31711

Components

ECS007JP

Apply ATF to all components before their installation.
Numbers preceding valve springs correspond with those shown in Return Springs Chart. Refer to

AT-151,

"Return Springs"

.

LCIA0282E

CONTROL VALVE UPPER BODY

AT-95

[RL4R01A]

D

E

F

G

H

I

J

K

L

M

A

B

AT

Disassembly

ECS007JQ

1.

Remove valves at parallel pins.

●

Do not use a magnetic pick-up tool.

a.

Use a wire paper clip to push out parallel pins.

b.

Remove parallel pins while pressing their corresponding plugs
and sleeves.

●

Remove plug slowly to prevent internal parts from jump-
ing out.

c.

Place mating surface of valve facedown, and remove internal
parts.

●

If a valve is hard to remove, place valve body facedown
and lightly tap it with a soft hammer.

●

Be careful not to drop or damage valves and sleeves.

SAT140C

SAT822A

SAT823A

SAT824A

AT-96

[RL4R01A]

CONTROL VALVE UPPER BODY

2.

Remove valves at retainer plates.

a.

Pry out retainer plate with wire paper clip.

b.

Remove retainer plates while holding spring.

c.

Place mating surface of valve facedown, and remove internal
parts.

●

If a valve is hard to remove, lightly tap valve body with a
soft hammer.

●

Be careful not to drop or damage valves, sleeves, etc.

Inspection

ECS007JR

VALVE SPRINGS

●

Measure free length and outer diameter of each valve spring.
Also check for damage or deformation.

●

Replace valve springs if deformed or fatigued.

CONTROL VALVES

●

Check sliding surfaces of valves, sleeves and plugs.

SAT825A

SAT826A

SAT827A

Inspection standard

: Refer to

AT-151, "Return

Springs"

.

SAT829A