Engine - Stall/No Start Condition

86chevy01

CHEVROLET NUMBER: 87-T-29 GMC NUMBER: 87-T-7
SECTION: 6C - Engine Fuel SECTION: 6C - Engine Fuel
DATE: December, 1986 DATE: December, 1986


SUBJECT: LOOSE FUEL TANK RESERVOIR

MODELS: 1985-87 M VANS WITH 2.5L (VIN CODE E) OR 4.3L (VIN CODE Z) TBI ENGINES


Some 1985-87 M vans with TBI engines may the fuel sender opening as this could result in
experience a stall or no start condition. This damage to the tank. If this condition is encountered,
condition may be diagnosed as an inoperative the fuel tank assembly must be replaced and at the
intank fuel pump. Inspection of the intank fuel same time, the intank fuel pump must be repaired
pump may indicate that it has become dislodged or replaced.
(laying in the bottom of the fuel tank) from the fuel
sender.
A dislodged fuel pump condition may be caused
by the intank fuel reservoir (plastic), which
surrounds the fuel pump, coming loose inside the PARTS INFORMATION
fuel tank and dislodging the fuel pump from the
fuel sender. The reservoir can be checked by
inserting a 24 inch long 3/8 inch drive extension Part Number Description Quantity
(or similar) into the tank through the fuel sender
opening and pushing (fore and aft) on the reservoir. 14058621 Tank - 17 Gallon 1
The reservoir should not move. Do not pry against 14058623 Tank - 27 Gallon 1