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EMISSION CONTROL SYSTEMS
6E-21
engine with the pump drive belt removed. If excessive
noise does not exist with the belt removed proceed as
follows:
3. Check for a seized Air Injection Pump.
4. Check hoses, tubes and all connections for leaks and
proper routing.
CAUTION: Do not oil A.I.R. pump.
5. Check diverter valve.
6. Check A.I.R. injection pump for proper mounting and
bolt torque.
7. Repair irregularities in these components as necessary.
8. If no irregularities exist and the air injection pump
noise is still excessive, replace pump.
Remove
1.
Disconnect the hoses at the pump.
2.
Remove pump pulley
as
outlined.
3.
Remove pump mounting bolts and remove pump.
Install
1.
Install pump with mounting bolts loose.
2.
Install pump pulley
as
outlined.
3. Install and adjust belt as outlined.
4. Connect the hoses at the pump.
5.
Tighten mounting bolts to
20-35
lb. ft.
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