Fuel Pump - Toyota 4-Runner 1985 Repair Manual

FU-28
TYPE I
• Non-reusable part
Inlet _-----"_
Inlet
Valve
Vent
_-~~l
FUEL SYSTEM - Fuel Pump
FUEL PUMP
COMPONENTS
TYPE II
REMOVAL OF FUEL PUMP
1. DRAIN COOLANT
Open the radiator drain cock and allow the coolant to dr-·
into a suitable container.
2. DISCONNECT UPPER RADIATOR HOSE
3. DISCONNECT THREE FUEL HOSES FROM FUEL PUMP
4. REMOVE FUEL PUMP
Remove the two bolts, fuel pump and gasket.
INSPECTION OF FUEL PUMP
(Airtight Test)
PRECHECKS
Before preforming the following checks on the fuel pump:
(a) Run some fuel through the pump to insure that the
check valves seal tightly (a dry check valve may not
seal properly).
(b) Without blocking off any pipe,operate the pump lever
and check the amount of force necessary for opera-
tion and the amount of arm play.This same amount
of force should be used in the checks.