Grand Cherokee 4WD V8-4.7L VIN N (2000)
17.
Compress the plastic top half onto the aluminum housing until the retaining clips have fully engaged the slots in the aluminum housing. Inspect
each retaining clip and the extension spring.
18.
Press the plastic top half of the fuel pump module down onto the aluminum housing until the fuel module is in its fully collapsed position. When
released, the top half of the fuel pump module should freely rebound to its fully extended position.
19.
Repeat Step 18 twice.
20.
Verify that the fuel pump module returns to its fully extended position. If not, the top half must be removed and additional lubricant must be
applied to the quad ring and mating surfaces.
21.
Inspect the fuel pump module filter for damage or contamination.
22.
Install the fuel pump module-to-fuel tank seal to the fuel pump module.
23.
Install the fuel pump module to the fuel tank. Refer to the 2000 Grand Cherokee Service Manual (81-370-0047) page 14-16 Fuel Pump Module
for detailed installation instructions.
NOTE:
IF THE FUEL PUMP MODULE AND/OR FUEL TANK-TO-FUEL PUMP MODULE SEAL IS NOT INSTALLED CORRECTLY, THEN AN
EVAPORATIVE SYSTEM LEAK (SMALL OR LARGE) MAY OCCUR.
24.
Verify correct fuel system pressure of 339 kPa +/- 34 kPa (49.2 psi +/- 5 psi).
25.
Verify that the fuel system pressure does not drop more than 207 kPa (30 psi) in less than five (5) minutes
26.
Complete the installation of the fuel tank to the vehicle per the Service Manual instructions.
