Table of Contents
Advertisement
2-5 [w1 Bo)
ENGINE COOLING SYSTEM
B: INSPECTION
1) Check water pump bearing for smooth rotation .
2) Check water pump pulley for abnormalities .
3) Using a dial gauge, measure impeller runout in thrust
direction while rotating the pulley .
"Thrust" runout limit :
0.5 mm (0 .020 in)
C2-009
Fig. 13
4) Check clearance between impeller and pump case
Clearance between impeller and pump case :
Standard
0.5 - 0.7 mm (0 .020 - 0.028 in)
Limit
1 .0 mm (0 .039 in)
0
0
0
C2-010
Fig . 14
5) After water pump installation, check pulley shaft for
water leaks. If leaks are noted, replace water pump
AS SY .
FC- INSTALLATION
Installation is in the reverse order of removal .
a. Always use a new gasket.
b. When installing water pump, tighten all bolts in two
steps in numerical sequence as shown in Figure .
Pulley
O
O
'
+
l-' °
`-~ b
Thermostat cover
C2-006
Fig . 15
Tightening torque : N "m (kg-m, ft-Ib)
First:
10-14(l.0-1 .4,7-10)
Second :
10-14(1 .0-1 .4,7-10)
c. After reinstalling the water pump, run the engine to
make sure that neither water leakage nor abnormal
noise exists .
10
Advertisement
Table of Contents
Troubleshooting
