WATER PUMP ON-VEHICLE INSPECTION

INSPECT FOR ENGINE COOLANT LEAK

Tip:

The sliding surface inside the engine water pump assembly is lubricated by engine coolant. As some engine coolant is discharged during normal operation, coolant residue (solids) may be found on the bottom of the engine water pump assembly. Engine coolant may leak if foreign matter enters the engine water pump assembly, however the sealing performance will recover when the foreign matter is pushed out or breaks into fine pieces.
Before performing this inspection, check that there are no engine coolant leaks from any parts other than the engine water pump assembly. If there are leaks, inspect those areas first.
Perform this inspection when the engine is cold.

Visually check the engine water pump assembly.
1. Check that engine coolant is not dripping from the engine water pump assembly.
  
  Tip:
  If engine coolant is dripping, replace the engine water pump assembly.

REMOVE V-RIBBED BELT

REMOVE WATER PUMP & CRANKSHAFT PULLEY V-RIBBED BELT

INSPECT ENGINE WATER PUMP ASSEMBLY

Turn the pulley and check that the water pump bearing moves smoothly and quietly.
If necessary, replace the engine water pump assembly.

INSTALL WATER PUMP & CRANKSHAFT PULLEY V-RIBBED BELT

0109-1

0109-1B

Fit SST on the hexagon bolt of the water pump pulley.
Mount a new water pump & crankshaft pulley V-ribbed belt on the positioning lug of SST.
Using the crankshaft pulley bolt, turn the water pump pulley 180 degrees.
Guide the water pump & crankshaft pulley V-ribbed belt while applying pressure as shown in the illustration.
Using the pulley bolt, turn the crankshaft clockwise.
Remove SST.
Turn the crankshaft 2 revolutions clockwise.
If the water pump & crankshaft pulley V-ribbed belt is mounted incorrectly, perform the procedure again.

INSTALL V-RIBBED BELT