O-Ring Set - Mazda MX-5 1990 Workshop Manual

FUEL TANK GAUGE
SENDER UNIT SIDE
a
CAP
~O.RING
~SPACER
FUEL PUMP SIDE
05UOFX-156
05UOFX-157
05UOFX-233
FUEL SYSTEM
1 . Remove the rear package trim.
2. Remove the service hole cover.
4. Remove the fuel pump cover.
S. Disconnect the fuel pump connector.
6. Disconnect the fuel hoses.
F
7. Remove the fuel pump and fuel tank gauge sender unit as·
sembly.
8. Remove the fuel pump.
9. Install in the reverse order of removal, referring to Installa-
tion Note.
I nstallation note
O-ring set
1. Use a new O-ring set. (O-ring, cap, and spacer)
2. Apply oil or fuel to the O-ring set before installing.
3. To confirm sealing of the O-ring, after assembling the fuel
pump and fuel tank gauge sender unit, blow air through
the fuel main pipe and verify that no air flows.
If air flows the check ball may be stuck. Shake the fuel pump
2 or 3 times and recheck.
Fuel pump
1. After installing the fuel pump to the bracket, pull down the
fuel pump down so that it is tight against the bracket.
F-109