![]() |
Plymouth Workshop Manuals | |
PB 150 V8-318 5.2L VIN T 2-BBL (1983)Instrument Panel, Gauges and Warning Indicators > Sensors and Switches - Instrument Panel > Fuel Gauge Sender > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Fuel Gauge Sender: > 181985A > Dec > 85 > Fuel System - Vapor Lock![]() Technical Service Bulletin # 181985A Date: 851201 Fuel System - Vapor Lock Models 1981-1985 Van & Wagon Models Equipped With 5.2L or 5.9L Engine Subject Vapor Lock Index DRIVEABILITY Date December 20, 1985 No. 18-19-85 REVISION A P-4782-C This bulletin supersedes Technical Service Bulletin #18-19-85 which should be removed from your files. The model application has been expanded to SYMPTOM/CONDITION Engine performance is gradually reduced in high ambient temperature or high altitude driving due to a drop in fuel pressure, which starves engine for DIAGNOSIS The following are characteristics of vapor lock and should be observed on a fully warmed up engine. (Vapor lock does not affect cold engine ^ Occurs after hot soak, prolonged idle, or highway speeds at any throttle opening. ^ Sag due to lean mixture. ^ No black smoke at tailpipe. ^ Fuel pressure drops to 0. ^ Carburetor air horn dry. ^ No accelerator pump discharge. ^ May not start until engine cools. ^ Engine may not sustain heavy loads. PARTS REQUIRED ORDER ONE OF THE FOLLOWING TWO PART NUMBERS: Vapor Lock Package With 22 Gallon Fuel Tank PN 4397611 Vapor Lock Package With 36 Gallon Fuel Tank PN 4397612 ADDITIONAL PARTS INFORMATION ON NEXT PAGE Fuel Pressure Regulator Package PN 4397639 All vehicles equipped with dual air conditioning, without electrically heated rear window defroster, and with 60 amp alternator must order the following If vehicle is equipped with a 114 amp alternator, do not order this package or make any changes to the charging system. 1 78 AMP Alternator Package PN 4397615 Instrument Panel, Gauges and Warning Indicators > Sensors and Switches - Instrument Panel > Fuel Gauge Sender > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Fuel Gauge Sender: > 181985A > Dec > 85 > Fuel System - Vapor Lock | ||
[PREV PAGE] [NEXT PAGE] |