WATER PUMP IMPELLER
Water Pump Impeller Removal
WATER PUMP HOUSING RE-
1. Proceed with
MOVAL
. See procedure in this subsection.
2. Remove impeller by unscrewing it counter-
clockwise.
tmr2011-011-007_a
1. Turn counterclockwise to unscrew
NOTICE
Water pump shaft and impeller have
right-hand threads.
Water Pump Impeller Inspection
Check impeller for cracks or other damage. Re-
place impeller if damaged.
Water Pump Impeller Installation
The installation is the reverse of the removal pro-
cedure. However, pay attention to the following.
NOTICE
Be careful not to damage impeller
fins during installation.
WATER PUMP SHAFT AND
SEALS
Use these guidelines to service these parts.
vmr2013-058
Subsection 05 (COOLING SYSTEM)
DEFECTIVE PART
Rotary seal
Oil seal
Water pump shaft
Water Pump Seals Replacement
(Assembled Engine)
NOTE: Read and thoroughly understand the en-
tire procedure before starting it.
Seals Removal
1. Remove the following parts, see procedure in
this subsection.
WATER PUMP HOUSING
–
WATER PUMP IMPELLER
–
2. Carefully pry out inner part of the rotary seal
using 2 screwdrivers.
tmr2011-011-050_a
1. Inner part of rotary seal
ACTION
Replace:
- Rotary seal
- Oil seal
(assembled engine)
Replace:
- Rotary seal
- Oil seal
(assembled engine)
Replace:
- Water pump
shaft assembly
(including rotary seal)
- Oil seal
(engine disassembled)
.
13