Dodge D150 1990 Service Manual page 907

21 - 56 AUTOMATIC TRANSMISSION
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3/8" DRILL
2 HOLES
1/4" ROD
4-21/32" RADIUS
5" RADIUS
VENT PLUG
RETAINER
RETAINER
MATERIAL: 3/16 INCH STEEL STOCK
Fig. 13 Pump Vent Plug-A-727
13/32" DRILL 2 HOLES
RN782
3-3/4"
RADIUS
WELD O R
BRAZE
1/4" ROD
MATERIAL: 3/16 INCH STEEL STOCK R N 7 8 3
Fig. 14 Pump Vent Plug-A-998/999
(4) A p p l y a t h i c k soapy w a t e r solution t o t h e sus-
pected leak areas.
CAUTION: The recommended test pressure is 8 psi.
The maximum allowable test pressure is 10 psi. Do
not exceed specified pressure.
(5) Pressurize the transmission t o 8 psi w i t h t h e a i r
pump.
(6) Observe t h e suspected leak areas. A i r bubbles
appearing i n t h e soapy water solution indicate leak
points.
(7) Remove the test tools a n d plugs after test com-
pletion a n d make necessary repairs as described i n
the Leak Correction procedure.
SPRING
PLUG - MADE FROi
OLD FILLER TUBE
TORQUE
CONVERTER
HUB SEAL CUP
RH255
Fig. 15 Vent Plug And Hub Seal Cup Installation
FLARE C A P _
HOSE CLAMP
AIR PUMP
FLARED TUBE O N
COOLER LINE FITTING RY254
Fig. 16 Pressurizing Transmission
CONVERTER HOUSING AREA LEAK
CORRECTION
(1) Remove t h e converter.
(2) T i g h t e n t h e front band adjusting screw u n t i l
t h e band is t i g h t around t h e f r o n t clutch retainer.
T h i s prevents t h e front clutch f r o m coming out w h e n
t h e o i l p u m p is removed.
(3) Remove t h e o i l pump a n d seal. Inspect t h e
p u m p housing drainback and v e n t holes for obstruc-
tions. Clear t h e holes w i t h solvent and w i r e .
(4) Inspect t h e pump b u s h i n g a n d converter h u b . I f
t h e bushing is scored, replace i t . I f the converter h u b
is scored, either polish i t w i t h crocus cloth o r replace
t h e converter i f scoring is severe.
(5) I n s t a l l a new p u m p seal, O-ring, gasket, bush-
i n g . Replace t h e o i l p u m p i f cracked, porous or dam-
aged i n a n y way.
(6) Loosen t h e k i c k d o w n lever p i n p l u g t w o t u r n s .
A p p l y Permatex No. 2 or equivalent t o t h e p l u g
threads a n d t i g h t e n t h e p l u g t o 17 N*m (150 in-lbs)
torque.
(7) Adjust t h e front (kickdown) band.