Dodge RAM TRUCK 1500 1995 Service Manual page 1397

21 - 114 42RH/46RH/47RH TRANSMISSION DIAGNOSIS AID TESTING
O U T S I D E
D I A M E T E R
W E L D
TORQUE CONVERTER
H U B W E L D
' L U G
STARTER RING GEAR
RH254
Fig. 9 Typical Converter Leak Points
The transmission rear output shaft opening' is
closed off simply by leaving the transfer case bolted
in place. However, If the transfer case has been re­
moved, a shipping plug can used to close off this
opening.
The torque converter hub opening In the pump and
the pump vent require special tools to close them off.
The converter hub seal cup Is made from thin wall
tube and a 3.17 mm (1/8 In.) thick disc (Figs. 10 and
11).
WELD O i
BRAZE
BREAK EDGE
/
•1/8"
" S E A L T H I S E : : D a i r T I G H T
1-3/4"-
•5-1/4"*
M A T E R I A L : 1 - 7 / 8 I N C H O . D .
T H I N W A L L E D S T E E L T U B I N G
A N D 1 / 8 I N C H S T E E L D I S C
P O L I S H L 8 7 6
O U T S I D E O F O P E N
E N D F O R T H I S
D I S T A N C E O N T U B E
RN779
Fig. 10 Converter Hub Seal Cup (46RH/47RH)
B R E A K E D G E 1 / 1 6 " M I N . W E L D
O R B R A Z E
- * - l / 8 "
• S E A L T H I S E N D A I R T I G H T
-3/4"
M A T E R I A L : 1-1/2 I N C H O.D. T H I N
W A L L E D S T E E L T U B I N G A N D
1 / 8 I N C H S T E E L D I S C
P O L I S H
O U T S I D E
^ O F O P E N
" E N D F O R
THIS
D I S T A N C E
O N T U B E
1.498
R N 7 8 0
Fig. 11 Converter Hub Seal Cup (42RH)
A retaining strap is needed to secure the seal cup
for testing. The strap can be made from 31.75 mm (1-
1/4 in.) wide stock (Fig. 12). The strap attaching hole
positions are approximate only. Measure hole position
on the converter housing before drilling.
1 5 / 3 2 I N C H D R I L L 4 H O L E S
M A T E R I A L : 1 / 4 I N C H S T E E L S T O C K
1 - 1 / 4 I N C H W I D E R N 7 8 1
Fig. 12 Seal Cup Retaining Strap
The pump vent tool is made from 6.35 mm (1/4 in.)
rod and 4.76 mm (3/16 in.) plate (Figs. 13 and 14).
The fabricated tools can all be made from mild
steel or aluminum stock.
3 / 8 " D R I L L
2 H O L E S
1 / 4 " R O D
4 - 2 1 / 3 2 " R A D I U S
5 " R A D I U S
M A T E R I A L : 3 / 1 6 I N C H S T E E L S T O C K
RN782
Fig. 13 Pump Went Plug (46RH/47RH)