Acura 2002 RSX Service Manual page 688

Automatic Transmission
ATF Cooler Flushing
Special Tool Required
Commercially Available Transmission Cooler Flusher
Kent-Moore J38405-4 or equivalent
This procedure should be performed before reinstalling
t h e t r a n s m i s s i o n .
1. Check equipment for wear and cracks before using.
Replace any worn or cracked components.
2 . U s i n g t h e m e a s u r i n g c u p , f i l l t h e f l u s h e r ( A ) w i t h 2 1
ounces {approximately 2/3 fult) of biodegradable
flushing fluid (J35944-20). Do not substitute with
any other fluid. Follow the handling procedure on
t h e f l u i d c o n t a i n e r .
3. Secure the flusher filler cap, and pressurize the
flusher with compressed airto 550 929 kpa (5.6
8 . 4 5 k g f / c m ' , 8 0 ' 1 2 0 p s i ) . T h e a i r l i n e s h o u l d b e
equipped with a water trap to ensure a dry air
system.
4 . H a n g t h e f l u s h e r u n d e r t h e v e h i c l e .
5. Attach the flusher discharge hose (B)to the return
l i n e o f t h e A T F c o o l e r u s i n g a c l a m p .
6. Connect the drain hose (C) to the inlet line on the
A T F c o o l e r u s i n g a c l a m p . S e c u r e l y c l a m p t h e
opposite end of the drain hose to a bucket (D) or
f l o o r d r a i n .
1 4 - 1 5 6
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7. With the water and air valves (A) off, attach the
water and air supplies to the flusher. (Hot water if
a v a i l a b l e . )
8. Turn on the water valve for 10 seconds. lf water
does not flow through the cooler, it is completely
plugged, it cannot be flushed, and must be
replaced.
9. Depress the trigger to mix the flushing fluid into the
water flow. Use the wire clip to hold the trigger
down.
1 0 . W h i l e f l u s h i n g w i t h t h e w a t e r a n d f l u s h i n g f l u i d f o r
2 minutes. turn the air valve on for 5 seconds every
15 - 20 seconds to create a surging action.
AIR PRESSURE: MAX 84S kpa {8.45 kgt/cm.,
120 psi)
1 1. Turn the water valve off. Release the trigger, then
reverse the hoses to the cooler so you can flush in
the opposite direction. Repeat steps g through 10.
12. Release the trigger, and rinse the cooler with water
for 1 minute.
13. Turn the water valve off and the water supply off.
'I
4. Turn the air valve on for 2 minutes, or until no
m o i s t u r e i s v i s i b l e l e a v i n g t h e d r a i n h o s e . R e s i d u a l
moisture in the cooler or lines can damage the
transmission.
15, Remove the flusher from the cooler line. Attach the
drain hose to an ATF container.
16. Install the transmission, and leave the drain hose
attached to the cooler line.