If the surface is corroded or if the blades are damaged, replace the impeller

Water Pump Impeller Disassembly/Assembly
Water Pump Housing DisassemblyNozzle Assy Assembly
Before assembling, blow away dirt or dust from the delivery
pipes [A] by applying compressed air [B].
Replace the O-rings [A] of the joint pipe [B] with new ones.
Apply engine oil to the new O-rings, and insert it to the
delivery pipes [C]
Insert the joint pipe so that the step ...
Cable, Wire, and Hose Routing
1. Clamp (Hold the regulator/rectifier lead. Run the lead inside of the
installation hole.)
2. Clamp (Bend down the clamp, and hold the main harness and the vacuum hose
(equipped
models).)
3. Clamp (Hold the air intake solenoid valve lead (equipped models).)
4. Run the vacuum hose under ...
Fuel Pump Removal
WARNINGGasoline is extremely flammable and can be
explosive
under certain conditions, creating the
potential for serious burns. Make sure the area is
well-ventilated and free from any source of flame
or sparks; this includes any appliance with a pilot
light. Do not smoke. T ...