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Acura CSX. Manual - part 306

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14-301

Valve Body Repair

6. Remove the cooler check valve spring (L) and the

cooler check valve (M), then remove the main valve
body (N) (three bolts). Do not let the check balls (O)
fall out.

7. Remove the ATF pump driven gear shaft (P), then

remove the ATF pump gears (Q).

8. Remove the main separator plate (R) and the two

dowel pins (S).

9. Remove the ATF magnet (T), clean and reinstall it in

the torque converter housing (U).

10. Clean the inlet opening (A) of the ATF strainer (B)

thoroughly with compressed air, then check that it
is in good condition and that the inlet opening is
not clogged.

11. Test the ATF strainer by pouring clean ATF through

the inlet opening, and replace it if it is clogged or
damaged.

12. Remove the O-rings (V) (W) from the stator shaft

and the ATF strainer. Install the new ones when
installing the valve bodies.

NOTE: This repair is only necessary if one or more of
the valves in a valve body do not slide smoothly in their
bores. Use this procedure to free the valves.

1. Soak a sheet of

600 abrasive paper in ATF for

about 30 minutes.

2. Carefully tap the valve body so the sticking valve

drops out of its bore. It may be necessary to use a
small screwdriver to pry the valve free. Be careful
not to scratch the bore with the screwdriver.

3. Inspect the valve for any scuff marks. Use the ATF-

soaked

600 paper to polish off any burrs that are

on the valve, then wash the valve in solvent and
dry it with compressed air.

4. Roll up half a sheet of ATF-soaked

600 paper and

insert it in the valve bore of the sticking valve.
Twist the paper slightly, so that it unrolls and fits
the bore tightly, then polish the bore by twisting the
paper as you push it in and out.

NOTE: The valve body is aluminum and does not
require much polishing to remove any burrs.

08/08/21 14:51:12 61SNR030_140_0303

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14-301

Valve Body Repair

6. Remove the cooler check valve spring (L) and the

cooler check valve (M), then remove the main valve
body (N) (three bolts). Do not let the check balls (O)
fall out.

7. Remove the ATF pump driven gear shaft (P), then

remove the ATF pump gears (Q).

8. Remove the main separator plate (R) and the two

dowel pins (S).

9. Remove the ATF magnet (T), clean and reinstall it in

the torque converter housing (U).

10. Clean the inlet opening (A) of the ATF strainer (B)

thoroughly with compressed air, then check that it
is in good condition and that the inlet opening is
not clogged.

11. Test the ATF strainer by pouring clean ATF through

the inlet opening, and replace it if it is clogged or
damaged.

12. Remove the O-rings (V) (W) from the stator shaft

and the ATF strainer. Install the new ones when
installing the valve bodies.

NOTE: This repair is only necessary if one or more of
the valves in a valve body do not slide smoothly in their
bores. Use this procedure to free the valves.

1. Soak a sheet of

600 abrasive paper in ATF for

about 30 minutes.

2. Carefully tap the valve body so the sticking valve

drops out of its bore. It may be necessary to use a
small screwdriver to pry the valve free. Be careful
not to scratch the bore with the screwdriver.

3. Inspect the valve for any scuff marks. Use the ATF-

soaked

600 paper to polish off any burrs that are

on the valve, then wash the valve in solvent and
dry it with compressed air.

4. Roll up half a sheet of ATF-soaked

600 paper and

insert it in the valve bore of the sticking valve.
Twist the paper slightly, so that it unrolls and fits
the bore tightly, then polish the bore by twisting the
paper as you push it in and out.

NOTE: The valve body is aluminum and does not
require much polishing to remove any burrs.

08/08/21 14:51:12 61SNR030_140_0303

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14-302

Valve Body

Valve Body Valve Installation

5. Remove the

600 paper. Thoroughly wash the

entire valve body in solvent, then dry it with
compressed air.

6. Coat the valve with ATF, then drop it into its bore. It

should drop to the bottom of the bore under its
own weight. If not, repeat step 4, then retest. If the
valve still sticks, replace the valve body.

7. Remove the valve, and thoroughly clean it and the

valve body with solvent. Dry all parts with
compressed air, then reassemble using ATF as a
lubricant.

1. Coat all parts with ATF before assembly.

2. Install the valves and the springs in the sequence

shown for the main valve body (see page 14-303),
the regulator valve body (see page 14-305), and the
servo body (see page 14-306). Refer to the
following valve cap illustrations, and install each
valve cap so the end shown facing up will be facing
the outside of the valve body.

3. Install all the springs and the seats. Insert the

spring (A) in the valve, then install the valve in the
valve body (B). Push the spring in with a
screwdriver, then install the spring seat (C).

08/08/21 14:51:12 61SNR030_140_0304

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14-302

Valve Body

Valve Body Valve Installation

5. Remove the

600 paper. Thoroughly wash the

entire valve body in solvent, then dry it with
compressed air.

6. Coat the valve with ATF, then drop it into its bore. It

should drop to the bottom of the bore under its
own weight. If not, repeat step 4, then retest. If the
valve still sticks, replace the valve body.

7. Remove the valve, and thoroughly clean it and the

valve body with solvent. Dry all parts with
compressed air, then reassemble using ATF as a
lubricant.

1. Coat all parts with ATF before assembly.

2. Install the valves and the springs in the sequence

3. Install all the springs and the seats. Insert the

spring (A) in the valve, then install the valve in the
valve body (B). Push the spring in with a
screwdriver, then install the spring seat (C).

08/08/21 14:51:12 61SNR030_140_0304

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