Toyota 3R-B 1969, Repair Manual

Page: 133 / 193

7—6 C O O L I N G S Y S T E M — Water Pump
4 . P r e s s out the ro tor from the w a te r
pump bearing shaft with the Water
Pump R o to r P u lle r 09239-40010
and a p r e s s .
5. R em ov e the hole snap ring (1 )
from the ro to r ( 3 ) , and rem ove
the w a te r pump seal set ( 2 ) .
F i g . 7-9 Rem oving S e a l V4646
6 . Heat the w a te r pump c o v e r to ap­
proximately 80 °C (176 ° F ) , then
p r e s s out the w a te r pump bearing
assembly from the c o v e r using the
Water Pump B e a rin g R e m o v e r &
R e p la c e r 09238-40010 and a press.
D o not re m o v e the bearing unless
f o r replacement.
Fluid Coupling
Inspect the fluid coupling bearing,
bearing case and the pulley fo r w e a r
and damage, and if defective, replace
the fluid coupling assembly.
Water Pump
1 . Inspect each part of the w ater
pump fo r c r a c k s , w e a r and dam­
a g e . If defective, replace as ne­
c e s s a r y .
Check the hole snap ring g r o o v e ,
thrust w a s h e r (1 ) and the floating
seat (2 ) . If d efective, replace it
using the w a ter pump rotor kit.
09238-40010
F i g . 7-10 Rem oving B e a rin g V4645
7. R e m o v e the floating seat and the
gasket from the w a te r pump c o v e r .
Inspection
Wash all parts except the fluid coup­
ling, w a te r pump b earin g and the
w a te r pump shaft ru bb er parts in
cleaning solvent.
F i g . 7-11 R o tor & Pump V0012
C o v e r Inspection
3. Check the pump c o v e r fo r defec­
tive installing portion (3 ) of the
floating seat and f o r looseness of
the b ea rin g. If defective, replace
it with the w a te r pump rotor sub-
assembly .
4. Check the bearing fo r w e a r , rough­
n e s s , s c o r e s and abnormal n o is e .
If defective, replace the bearing.
A s s e m b ly
Water Pump
1. Install the gasket and the floating
seat into the pump c o v e r .
2. Heat the w a te r pump c o v e r to ap­
proximately 80°C (176 F ) , then
p r e s s in the bearing assembly into