1.1L ROTARY
Article Text (p. 24)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:57PM
3) To adjust oil metering pump, turn the adjusting screw
clockwise to increase flow or counterclockwise to decrease flow. One
completer turn will change oil discharge flow by .007-.011" oz. (.2-.3
cc) for 6 minutes of operation.
4) Ensure lock nut on adjustment screw is tight. Recheck
metering oil pump discharge rate.
OIL COOLER
Inspection
Check the oil cooler for damage, cracks, or leaks. Replace
the oil cooler if defective.
Removal & Installation
1) Remove water hoses installed on the inlet and outlet sides
of cooler. Remove oil pipe and sealing washer. Remove oil cooler and
filter housing as an assembly.
2) Remove "O" rings. Do not disassemble. Replace as an
assembly if necessary. To install, reverse removal procedure. Use new
filter, "O" rings, and sealing washer. Add engine oil and coolant.
Start engine and check for leaks.
ENGINE COOLING
THERMOSTAT
Thermostat is a wax pellet type which starts to open at 180
ø
F
(82
ø
C) and fully opens at 203
ø
F (95
ø
C).
PRESSURE CAP
The radiator pressure cap is rated at 13 psi (.9 kg/cm
ý
).
WATER PUMP
Removal
1) Drain cooling system. Remove air cleaner, water
temperature switch connector, air conditioner drive belt, and air pump
drive belt.
2) Remove alternator, cooling fan, and drive belts. Remove
air conditioning pulley (if equipped). Disconnect radiator hoses and
remove water pump.
Disassembly
1) Press the pulley boss off of the pump shaft. Remove the
snap ring.
2) Supporting the pump body, apply pressure to the rear end
of the shaft to press the shaft, spacer, and bearing assembly out
through the front of the pump body. See Fig. 32.
3) Remove impeller and seal assembly from the pump body.
Press bearings and spacer from the shaft.
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