Fuel Pump - Filter Plugging
NO.: 14-17-94GROUP: Fuel
DATE: Sep. 2, 1994
SUBJECT:
Fuel Pump Filter Plugging
MODELS:
1989 - 1990 (AA) Spirit/Acclaim/LeBaron Sedan
1989 - 1990 (AC) Dynasty/New Yorker/New Yorker Salon
1989 - 1990 (AG) Daytona
1989 (AH) Lancer/LeBaron GTS
1989 - 1990 (AJ) LeBaron Coupe/LeBaron Convertible
1989 - 1990 (AP) Shadow/Shadow Convertible/Sundance
1989 - 1990 (AS) Town & Country/Caravan/Voyager
1990 (AY) Imperial/New Yorker Fifth Avenue
1988 (C) Dynasty/New Yorker
1984 - 1988 (E) Caravelle/600/New Yorker Turbo
1984 - 1988 (G) Daytona/Laser
1985 - 1988 (H) Lancer/LeBaron GTS
1987 - 1988 (J) LeBaron Coupe/LeBaron Convertible
1984 - 1988 (K) Reliant/Aries/LeBaron 4-Door/Town & Country
1987 - 1988 (P) Shadow/Sundance
1987 - 1988 (S) Caravan/Voyager
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH FUEL INJECTION.
DISCUSSION:
Improper fuel pressure or fuel pressure fluctuation while driving. Vehicles may encounter one or both of the following symptoms: erratic transmission shifting and/or engine power loss.
This condition may develop within a few thousand miles after installing a replacement fuel pump with one of the following P/N's: 4638622, 4638624, 5217852, or 4075445 or fuel pump filter P/N 4638619 (which is a part of the listed fuel pump assemblies and fuel pump filter package P/N 4740684). This filter is capable of 13 micron filtration, which in older vehicles may be too fine, unless the inside of fuel tank is totally clean. Fuel pump filter plugging may also be experienced in geographic areas that have a high level of contaminates in the gasoline.
A new fuel pump filter package, P/N 4797189, with a 31 micron filter is now available and should eliminate the plugging condition in all except the worst cases. A black stripe on the white filter material identifies the 31 micron filter from the 13 micron filter.
NOTE:
WHEN INSTALLING ANY OF THE LISTED FUEL PUMPS A 31 MICRON FILTER SHOULD ALSO BE INSTALLED.
P/N 4797189 Fuel Pump Filter Package Consists Of:
1 Filter, Fuel Pump (31 Micron)
1 Seal, Pump to Tank (Minivan Applications)
1 Seal, Pump to Tank (Passenger Car Applications)
1 Retainer, Quick Connect (Minivan Applications)
POLICY: Information Only